| Subject | Date Asked |
|
| MY ST HELENA AND A RECENTLY CREATED EARTH | 11/21/2009 |
Q: I have seen a number of writings by creationists over the years since the Mt. St. Helene eruption ...
A: Mike, Here is a good article on the extensive subject.... Logos versus Lithos How Adam saw Eden is ...
|
| Horizontal drilling | 11/10/2009 |
Q: Ardies My question is: In which geologic, reservoir conditions it is recommended to use ...
A: Horizontal drilling has opened up a whole new exploration game over the past couple of decades. ...
|
| resistivity log. | 11/5/2009 |
Q: I am petroleum engineering ctudent. I don't quite understand about resistivity log. As far as I ...
A: Resistivity logs: A log of the resistivity of the formation, expressed in ohm-m. The resistivity can ...
|
| rock | 10/27/2009 |
Q: I found a strange looking rock on a old rock wall in southern Quebec,along the U.S. border.It's a ...
A: It sounds like it is Hematite, except for the light green lines. Hematite is magnetic and rusty ...
|
| rock classification | 10/25/2009 |
Q: i am having great difficulty classifying rocks... i have a rock that resembles marble and is ...
A: It sounds like it might be Quartz. Quartz comes is many varieties/colors and will scratch steel and ...
|
| software | 10/18/2009 |
Q: Sir as you know oil/gas companies use heavy and costly softwares for their production, and as well ...
A: Absolutely. However, usually the software cost thousands of dollars, so it is difficult for most ...
|
| sedimentology | 10/7/2009 |
Q: please Mr George Ardies, clarify the differences between transgression stage and regression face as ...
A: Marine transgression occurs when an influx of the sea covers areas of previously exposed land. The ...
|
| Different depositional environments | 9/30/2009 |
Q: Learned Sir, Could you please tell me the characteristics of deposits from the different ...
A: Many books have been written on various types of these depositional environments. I will try to sum ...
|
| landform | 6/8/2009 |
Q: While searching Lake of the Woods on Google maps I found the attached circular landform and I ...
A: I cannot be sure about this one, but I a quite certain that this is the remant of a crater. Lake of ...
|
| Question | 6/5/2009 |
Q: Could you please define what drilling and test pit excavation are and what they are used for THanks
A: A test pit is a small hole excavated under highly controlled conditions in order to collect samples ...
|
| geology | 6/4/2009 |
Q: what is the terminalogy of fault?what is fossils fuel?
A: Some of the below material comes from Wikipedia.... In geology, a fault or fault line is a planar ...
|
| Geology | 5/31/2009 |
Q: How do hydrocarbon migrate
A: Once it has formed, oil and gas moves away (migrates) from the source rock. This movement happens ...
|
| geology | 5/20/2009 |
Q: how do i go about an M.sc project titled "petroleum reservoir evaluation". I am using wireline logs, ...
A: Your question would take many theses and many years to write! Evaluating reservoirs is a very ...
|
| petroleum engineering | 3/20/2009 |
Q: i would like to know about the normal range of permeability of reservoirs
A: The range is very large. Some of the best reservoirs have a permeability of more than 10 Darcies. ...
|
| Geology of the Hawaiian Archipelago | 3/15/2009 |
Q: What kinds of rocks are found in the Mauna Loa volcano and what are the mineral composition of these ...
A: Mauna Loa is a "shield volcano", which means it is a gently sloping mountain produced from a large ...
|
| Geology | 3/10/2009 |
Q: Two wells have been drilled for oil exploration. The first well closer to the provenance has all ...
A: sk, There are several explanations. The most common one is: maybe the mudstone was deposited in a ...
|
| the life cycle of oil | 1/30/2009 |
Q: What is the life cycle of oil? I am no geologist and probably am not using the proper terms, but ...
A: In order for oil and gas to form, there nust be a source rock in the area. A source rock is a rock ...
|
| temperature underground | 1/28/2009 |
Q: what temperature is it 50km underground
A: That depends on where you are on the planet. Over thick crustal rock areas (such as mountain ranges) ...
|
| Rock origin | 1/26/2009 |
Q: I was vacvationning in Nova-Scotia this winter and came upon a curious rock, I have never seen ...
A: The crystals inside the hole are probably those of quartz or calcite (both of which can be pink in ...
|
| Rocks & Mineral | 1/22/2009 |
Q: I am taking Earth System Engineering Course and I am interested in rocks & minerals. Could you ...
A: Here are a few good websites: http://en.wikipedia.org/wiki/Rock_(geology) http://geology.com/ ...
|
| Rock origin | 1/21/2009 |
Q: I was vacvationning in Nova-Scotia this winter and came upon a curious rock, I have never seen ...
A: It looks like your rock is composed of Olivine (the green minerals), garnet (the red minerals), ...
|
| petroleum geology | 1/19/2009 |
Q: sir. Am a MTech student in petroleum exp. i need to knw Is there any possibility for the occurrence ...
A: Yes. In several basins, petroleum has migrated from sedimentary rock into fractured igneous or ...
|
| oil well structure | 1/11/2009 |
Q: I've been looking for some explenations or photos of an empty oil well. I want to know how does it ...
A: A depleted oil or gas reservoir looks like a jar full of marbles, only with water between the ...
|
| rock | 1/8/2009 |
Q: can you identify this rock? thanks @@@@@IMAGE:13996:Geology-1359/2008/12/wierd-rock.jpg##### ...
A: The white stuff definitely sounds like quartz to me; given what it looks like and the fact that it ...
|
| Petrolium and Natural Gas | 1/6/2009 |
Q: How does petroleum and natural gas form and how are they removed from the earth?
A: The term “petroleum” refers to a family of organic substances consisting of molecules composed of ...
|
| rock | 12/29/2008 |
Q: can you identify this rock? thanks
A: Mike, That is a strange rock. The lower rusty brown rock looks like it is composed of quartz, ...
|
| red rock with sparkles and makes a metal detecter go off | 12/3/2008 |
Q: My Husband loves to go metal Detecting.We live here in Florida where rocks do not appear to be the ...
A: It is very difficult to answer this questions without photos. I would guess that it is Hematite or ...
|
| Diagenesis in alluvial fans. | 11/23/2008 |
Q: I am studying for my 3rd year geology exams and i would really appreciate a bit of help answering a ...
A: You are correct. The variability in aluvial fans is huge. However, there are some common diagenetic ...
|
| geology | 11/20/2008 |
Q: Geologists are responsible for indentifying and mapping mineral resources. But mineral resources are ...
A: Mineral exploration is the process undertaken by companies, partnerships or corporations in the ...
|
| metallic rock | 11/17/2008 |
Q: I live on the Esat side of Glacier and a hill by my house has rocks that have such a high metal ...
A: It is very difficult to classify a rock without a picture. If you could send one that would be ...
|
| Unusual rock | 11/16/2008 |
Q: I found a creek-bed rock just North of Calgary with some very unusual features. The smooth rounded ...
A: I have a very similar rock in my bathroom at home! It is a coral species called syringopora. Check ...
|
| Red Rock | 11/13/2008 |
Q: What is the name and mineral composition of a large red rock, the color of cranberry. Hard and ...
A: It is difficult to say wihtout a picture. My guess would be that it is a red shale. The mineral that ...
|
| geology | 11/12/2008 |
Q: how can we identify claystone, feldspar, shale and marl under microscope?
A: It depends on what type of microscope you are using; a reflecting light or a transmitting light ...
|
| layers of the earth | 11/10/2008 |
Q: what is your job
A: A petroleum geologist (wikipedia) is an occupation that involves all aspects of oil discovery and ...
|
| Geology | 11/4/2008 |
Q: I have a MSc Degree from University of Delhi(India). I want to pursue Petroleum Geochemistry as my ...
A: Any career is a good career if you are passionate about it. I cannot tell you what you should do in ...
|
| civil... | 10/11/2008 |
Q: how can you relate geology in the field of civil engineering?
A: Geologists aim to increase our knowledge of the Earth and to help us manage its natural resources, ...
|
| Difference between an 'Development Geologist' and 'Production Geologist' | 10/7/2008 |
Q: What is the difference between a 'Production Geologist' and a 'Development Geologist' in terms of ...
A: Perforation intervals is the zone that gas and oil wells show pay. These zones need to be brought on ...
|
| Difference between an 'Development Geologist' and 'Production Geologist' | 10/3/2008 |
Q: What is the difference between a 'Production Geologist' and a 'Development Geologist' in terms of ...
A: The differences are very subtle. A Production Geologist is responsible for the continued production ...
|
| Petroleum geology | 9/12/2008 |
Q: Ardies! I've completed a four year Bsc with Geology (Hons)degree at the University of Dar es salaam ...
A: I cannot chose a career for you, that is something very personel. However, in today's economy, I ...
|
| information | 9/9/2008 |
Q: Sir, My name is waqas Gilani and I am a student of geophysics studying in bahria university ...
A: I cannot chose a career for you, that is something very personel. However, in today's economy, I ...
|
| Environmental Geology | 7/12/2008 |
Q: I just being admitted to study Masters Environmental Geology.I want you to feed me with some ...
A: Environmental Geology encompasses a lot of different sub-disciplines. Environmental geology, like ...
|
| Questions about the earth | 7/10/2008 |
Q: George Ardies , We are a group of syrian teachers. We like to ask you some questions : 1. What is ...
A: Ghada and Aida, he generally accepted age for the Earth and the rest of the solar system is about ...
|
| odd terrace deposits | 7/8/2008 |
Q: In the Rocky mountains, near the continental divide, there are numerous valleys with very odd ...
A: Your knowledge of geology is extremeyl good. In my opinion, the underlying clays may represent low ...
|
| msc perolium | 6/30/2008 |
Q: sir, i am studing bsc 3rd yr & i am intrested to do msc petrolim , i want know about syllabus of ...
A: There are many job opportunities following a BSc. Th oil and gas industry is actively looking for ...
|
| career guide | 6/26/2008 |
Q: Sir,I am a student from India,just completed my +2. Now I am confused whether to study chemistry or ...
A: I wished that sex doens't matter, but in some countries it does. In the Westernized countries, male ...
|
| methane | 6/3/2008 |
Q: George, I have read astronomy articles where they tout finding methane on exosolar planets as ...
A: Methane C-H4 is a basic "building block" molecule. Where ever there is a source of Carbon and ...
|
| Peak Oil - Myth or Reality? | 5/30/2008 |
Q: There's a new topic raging as to whether oil is going to run out or if there is a limitless supply ...
A: My previous lang-winded response accidently got deleted, so here is a more abbreviated version... A ...
|
| Global Warming | 5/28/2008 |
Q: Sir, The temperature is increasing every year, What is the average temperature that can melt all ...
A: You are right that the glaciers are slowly melting, as we are coming out of a 1000s of years long ...
|
| Question | 5/17/2008 |
Q: What is calcrete and why is it an important sampling material in certain parts of Australia? Also ...
A: I think the following website explains everything. Calcrete, a calcium carbonate is associated with ...
|
| Coarsening/Fining Upwards | 5/7/2008 |
Q: Can you please explain to me these two terms? I am struggling to grasp these concepts past the ...
A: Sorry for the delay, we just had our first baby this week! Anyway, fining upward means that the ...
|
| petroleum geology | 4/19/2008 |
Q: Sir, Please can you explain how the sedimentary textures affects the quality of a reservoir rock? ...
A: The textures of sedimentary rocks are important to take note of and to describe. Features such as ...
|
| geotherm | 4/18/2008 |
Q: why the earth has a geotherm,and what heat sources contribute to it.............
A: In general, temperatures increase with depth within the Earth along curves referred to as geotherms. ...
|
| basins | 4/10/2008 |
Q: sir, can you tell me that how many sedimentary basin are in the world, and how many of these have ...
A: Junaid, There are hundreds of sedimentary basin in the world. About 20% of them contain some sort of ...
|
| piezoelectric effect | 4/8/2008 |
Q: I asked you if there was such a thing as electrical earthquakes, but you said that you had not ...
A: Your hypothesis does make scientific sense; however, I am not the right person to ask for more info ...
|
| earthquakes | 3/29/2008 |
Q: Are there such things as electrical earthquakes and what is there cause? Thanks. David.
A: David, I have never learned about these before. I suspect that they may be small eartquakes ...
|
| unique rock | 3/28/2008 |
Q: Dr. Thomas Bell had me take photo's of a rock I found and post it on Flickr to see what kind it is. ...
A: I do not use Flickr, but if you would like to send the pictures to me, I would be happy to have a ...
|
| science | 1/8/2008 |
Q: what steps are needed to be follow to determine a rock or a fossil age?
A: Yes, there are several ways to date rocks. The first, and generally easiest, is to compare the rock ...
|
| 2Dseismic survey in Iraq;Kurdstan for natural gas | 1/3/2008 |
Q: Hi, I have just returned from Iraq;Kurdistan. I am a seismic surveyor working on a large 2D seismic ...
A: Sounds like an exciting prospect. Natural gas in this area is typically trapped in anticlines. The ...
|
| sedimentalogy | 1/1/2008 |
Q: sir, i want to ask you about sedimentalogy it's origin, tranportation and deposition of sediments
A: Sedimentology is the study of sediments, their transportation and their depositon and alteration. An ...
|
| Eremology | 12/31/2007 |
Q: I want to study deserts, but I was unable to find any university that had a program in eremology. ...
A: If you are interested in geology, taking sedimentology is the way to go. However, if you are more ...
|
| Carbonate sedimentation rates | 12/8/2007 |
Q: I am a geoscientist working for an indian oil company and am interested in carbonates in general. I ...
A: Your ancient rates seem acceptable. However, given ideal conditions, carbonate growth rates can be ...
|
| Shoaling upward | 12/7/2007 |
Q: Please define Shoaling Upward sequence. Is it synonom of Coarsening upward seqence Pls give few ...
A: Shoaling upwards is generally related to a carbonate succession, whereas coarsening upward is ...
|
| Master Degree & Deserts | 12/6/2007 |
Q: I am a female from Egypt, and I have a Bachelor Degree in Accounting. I have worked for both ...
A: I appreciate your detailed analysis of the career options that you have. Of course, I can only ...
|
| career guide | 11/30/2007 |
Q: Sir I am student of BS GEOLOGY in pakistan.I have to select the special subject in geology out of; ...
A: I a biased in my opinion, but i would suggest that Petroleum geology and mineral exploration are the ...
|
| Answer these questions please! | 11/7/2007 |
Q: My name is Vanessa and im doing research about geology, im asking these questions that I consider ...
A: You have a lot of questions which I will try to answer very concisely for you. 1) Sedimnetary rocks ...
|
| nosubject- | 11/5/2007 |
Q: Can you tell how old is a rock?
A: Hi again. Yes, there are several ways to date rocks. The first, and generally easiest, is to compare ...
|
| nosubject-- | 11/4/2007 |
Q: If lava come from basalt from where does sandstone come from?
A: It is the other way around. Basalt comes from lava. Sandstone comes from any rock type. Sands is ...
|
| science (geology) | 11/3/2007 |
Q: 1: What are the fundamental tools that a geologist uses to study rocks? 2: Why is common quartz ...
A: 1. There aqre so many, it is impossible for me to answer this question. In a nutshell: Seismic, ...
|
| Geology Question | 10/31/2007 |
Q: 1. Who was the first person who thought of classifying rocks in different categories? 2. How many ...
A: 1) Various scientist created the rock classification system. Here is a bit of history from ...
|
| casing design | 10/1/2007 |
Q: I am an undergraduate petroleum engineer. I am working in my senior design project. in the process ...
A: Here are the fundamentals.... The pressure of the subsurface formation fluids, commonly expressed as ...
|
| sedimentology | 9/21/2007 |
Q: as u know that that rocks of same lithology can b deposited in a single env. and a single env can ...
A: I am not sure I understand your question. Marl deposition in lakes (freshwater) generally occurs ...
|
| sedimentology | 9/17/2007 |
Q: as u know that that rocks of same lithology can b deposited in a single env. and a single env can ...
A: Marl is a sediment that consists of a mixture of calcium carbonate (CaCO3) and any other ...
|
| Sodium Chloride in ground water | 9/11/2007 |
Q: We have found high concentration of Sodium Chloride in deep well (60m) water in Ontario, Canada. In ...
A: Without a geologic description, it is very difficult to determine the source of the NaCl. Generally, ...
|
| Drilling from a geologic perspective | 8/27/2007 |
Q: I was speaking to my grandfather today about a well my uncle and father are drilling in East Texas. ...
A: He probably meant 30 feet of pay (pay is either a gas or oil-charged sandstone or limestone). The ...
|
| petroleum geology/sedimentology | 8/14/2007 |
Q: while studying an eocene conventional core, i found very fine grained compact sandstones, 50 cm ...
A: It sounds like you have a nearshore environment. The tidal couplets are a dead give away for a ...
|
| petroleum geology/sedimentology | 8/10/2007 |
Q: while studying an eocene conventional core, i found very fine grained compact sandstones, 50 cm ...
A: You will definitely have to look at more than one core to determine a depositional environment. ...
|
| Geography | 5/29/2007 |
Q: Agate Point is at the west end of what kind of landform feature? I cannot figure out if it is a ...
A: I have tried several times to download your picture without success. Nevertheless, I will attempt to ...
|
| lubricant for tectonic movement? | 2/21/2007 |
Q: Is it possible for crude oil in the earth to act as a lubricant for tectonic movement?
A: It is possible that oil is a lubricant for some shallow fault systems. However, hot, high pressure ...
|
| Depositional Environments | 2/16/2007 |
Q: I am in the process of comparing two sets of hills in the UK, about 30 miles apart, the Mendips ...
A: The continuous history of the Earth is recorded in the rocks around us. However, there are ...
|
| Experience in Geology | 2/14/2007 |
Q: I took a college course in Geology as an elective. The University business program doesnt have ...
A: I am glad to hear that you are intrigued by Geology and science in general. I have an undergraduate ...
|
| Data table on depleting natural resources | 2/10/2007 |
Q: Can you recommend any websites that actually have data tables showing current depletion rates of ...
A: This is the one that I usually use (see below). It contains stats on gas storage, oil storage and ...
|
| Follow-uo-p to Oxygen removed from fossil fuels | 2/7/2007 |
Q: The O2 they use comes from the air in addition the oxygen in the molecules of organic matter (just ...
A: Your grasp of the chemical processes of hydrocarbon formation is obviously better than mine. I have ...
|
| Oxygen removed from fossil fuels | 2/4/2007 |
Q: According to politically correct and conventional accepted thought, fossil fuels (oil, natural gas, ...
A: The oxygen in the organic matter (albeit plant or animal) is quickly consumed by aerobic bacteria ...
|
| Water Flow | 2/2/2007 |
Q: Does dirty water flow slower than clean water?
A: Yes. Dirty water flows more slowly than clean water. The simple difference between the two flow ...
|
| Montreal Geology | 1/27/2007 |
Q: I am a civil engineering student at Concordia University, Montreal. I and my group are working on ...
A: I am at a loss for an answer to your question. You may waht to try looking for publications by Eric ...
|
| equilibrium | 1/7/2007 |
Q: what happens when rocks are forced out of equilibrium?
A: When out-of-equilibrium states exist, rocks alter their forms. For example, when shale is exposed to ...
|
| help | 1/6/2007 |
Q: how one can make a geological plan about an opencast coal mine?
A: This is a very big plan.... First of all, the mapping of the coal deposits need to be carried out. ...
|
| conglomerates on Andalucian coast | 12/13/2006 |
Q: One thing I did wonder about.. when the African plate drifted south again is it so that a massive ...
A: When the African plate drifted southward, it happened so slowly that water solowly migrated into the ...
|
| conglomerates on Andalucian coast | 12/8/2006 |
Q: When were these formed and how? Seen around Nerja near to Malaga
A: Geological Setting of Andalucia: Broadly there are three major geological complexes of rocks and ...
|
| oil drilling in ANWR | 11/29/2006 |
Q: Could you tell me about the rock formation underneath ANWR and the environmental effects (more ...
A: This question is way too involved for me to effectively answer it for you. However, I will try to ...
|
| Turbidite and Delta | 11/19/2006 |
Q: I am interested to know how to differentiate between turbidite flow and Deltaic flow at the ...
A: Great question. The difference between turbidite and detaic deposits are semantic. A turbidite is ...
|
| solution in claystone | 11/14/2006 |
Q: Now I have some more question. "There are two interbedded claystone layers. Their thickness are 40 ...
A: The answer to your question is Yes. Two different geochemical layers can exist even touhg they are ...
|
| apatite | 11/9/2006 |
Q: I know that all clay minerals are OH mineral and apatite,too. Let me know the chemical and physical ...
A: I am not a geochemist, however, please find below an except from Wilkipedia about apatite. Apatite ...
|
| Questions about minerals | 11/7/2006 |
Q: my name is Betina and I would like to make some questions to you about geology, minerals. 1. How ...
A: Many minerals have different colours (allochromatic) due to the impurities they contain, for example ...
|
| clay minerals | 11/3/2006 |
Q: Are all clay minerals hydroxide(OH) minerals? how many kinds of clay minerals are there? is ...
A: The rough geology of clay is a sedimentary material with grains smaller than 0.002 millimeters in ...
|
| petroleum engineering | 10/30/2006 |
Q: how is an oil field developed.
A: First of all, a oil or gas discovery must be made by drilling a wildcat well. A wildcat is a well ...
|
| Hello i am a student from EARJ in Rio and i was hoping that you could answer a question for me? | 10/22/2006 |
Q: George Ardies , I am a student from EARJ in Rio de Janeiro and I was hoping that one so qualified as ...
A: The Amazon basin does have production from it. Ecuador and Brasil are the biggest producers from the ...
|
| geology | 10/18/2006 |
Q: Explain how the process or discovery contributed to our current acceptance of plate tectonic theory ...
A: A collision between Juan de Fuca plate and the North America plate. The Juan de Fuca plate is ...
|
| Determining the age of rocks | 10/16/2006 |
Q: How do geologists tell the age of enormously old rock formations? How is this done?
A: Yes, there are several ways to date rocks. The first, and generally easiest, is to compare the rock ...
|
| petroleum geology | 9/26/2006 |
Q: what sedimentological aspects has to be studied to understand causes of permeability decrease in a ...
A: The primary process which results in the destruction of porosity is compaction. Compaction occurs ...
|
| Sedimentory and metamorphic rocks? | 9/9/2006 |
Q: Would u define the following types of rocks and give me as much detail as piossible? Sedimentory ...
A: Here are your definitions....in as much detail, hopefully, as you want. All the best. Sedimentory ...
|
| Can you help me out with this rock? | 9/3/2006 |
Q: I have a clear rock that measures approx. 2" long x 1" wide and 3/4" thick. I believe it was found ...
A: The rock looks like a well-rounded crystal of quartz (SiO2). The yellow-orange mineralization looks ...
|
| rock | 8/30/2006 |
Q: my hobby is metal detecting 25 yrs recently i found at 4ft a rock? aprox 130lbs size of a small ...
A: I have no clue what the rock may be, but a picture would be great. You can send it to: ...
|
| Ground Sounds Hollow | 8/14/2006 |
Q: Can you tell me what would cause the ground underneath to sound like a ripe watermelon when walked ...
A: There may be a few explanations as to the reason for the hollow sound. 1) The ground may indeed be ...
|
| Rocks, Minerals | 8/11/2006 |
Q: This is for a project in Rocks and Minerals class.. We had to pick a topic of interest and I chose a ...
A: Good topic for discussion!! You could also include the steel in the backstop supports; the metal ...
|
| What Layer is next? | 8/6/2006 |
Q: I am on a large hill, in upstate NY. I have 280Ft of totally dry sand then below that I have a layer ...
A: Sorry for the delay, I was away on vacation. Thanks for your understanding. The distribution of ...
|
| Dunes and sedimentology | 8/3/2006 |
Q: I am doind a project on a dune field and have found an exposuree where there is a layer of ...
A: Sorry for the delay, I just got back from a long needed vacation. Thanks for your understanding. The ...
|
| Ocean Exploitation | 8/2/2006 |
Q: Do you feel that the geologic resources of the oceans - such as minerals, oil, and gas, should be ...
A: Great question! As a professional petroleum geologist, I do think that SOME minerals, oil and gas ...
|
| Petroleum Geology | 7/17/2006 |
Q: What volume of oil would my body make given the right conditions? Thank you.
A: The entire human body contains a fair amount of oil. Eevrything we touch has a thin sheen of oil on ...
|
| Prices of Potassium-Argon dating | 7/15/2006 |
Q: I am from Turkey. I am geologist at MTA. We have some magmatic rocks that need determing rock age by ...
A: I have already sent in the answer, but the AllExperts site is not behaving properly. Depending on ...
|
| materials of the earth | 7/3/2006 |
Q: I am a teachers of geology,would you please answer my next questions: -Are there any materials in ...
A: The nucleus of the earth is divided into the inner core and the outer core. Data from earthquake ...
|
| Porosity: methods of measuring | 6/17/2006 |
Q: I was wondering if you could give to me the ways to determine the porosity of a subsurface formation ...
A: Wireline logging and coring are by far the best ways to determine porosity in subsurface rocks. ...
|
| River Rocks | 6/13/2006 |
Q: I am visiting a river (River Tillingbourne) in London tomorow and I would like to know what types of ...
A: For a small county, Surrey's geology varies considerably across its width. When the ice sheets of ...
|
| enviroment | 6/10/2006 |
Q: burning of solid wastes may result in; release of sulfur or release of oxygen or production of ...
A: The answer to the first question is: release of sulphur. Fire consumes oxygen and compost is the ...
|
| Melted Core of Earth | 6/7/2006 |
Q: I agree to your contention that the radioactive substances palyed a major part in heating the core ...
A: The core of the planet and the crust of the planet are tow vaslt different entities. Humans beings ...
|
| Soil Structure | 6/4/2006 |
Q: If I have a grey-brown sandy loam what would be its soil structure. Crumb? Blocky? Columnar? ...
A: I am by no means an expert in soils, however, i would rule out platy, which are particles arranged ...
|
| Melted Core of Earth | 6/3/2006 |
Q: I have read some where that the molten core of earth is cooling 100 C per billion year. My ...
A: Excellent question. I am by no means an expert on the structure and geophysics of the Earth, but I ...
|
| Mineral Rights and Caverns | 5/31/2006 |
Q: George, I discovered a cavern under my rural North Texas land. I do not own mineral rights and was ...
A: Generally, mineral rights are owned by the state, although, if your land title dates back far ...
|
| vulcanology | 5/30/2006 |
Q: As far as is known, were any of the major calderas such as Lake Tapo, Yellowstone park or the one at ...
A: Mountain chains usually contain vocanoes, such as Mount St. Helen's in the Cascade mountain chain. ...
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| determining the age of a rock | 5/17/2006 |
Q: is it possible to determine the age of a rock? if so,how?
A: Yes, there are several ways to date rocks. The first, and generally easiest, is to compare the rock ...
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| Ironstone | 5/5/2006 |
Q: Would you be able to tell me in general terms how ironstone is formed? Thanks
A: Ironstones are reddish-brown rocks that are very hard. When the sand was being deposited, living ...
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| Diagenesis of shale | 5/1/2006 |
Q: Can you tell me about the diagenesis os shale
A: The following is a very good website: ...
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| sea sand | 4/27/2006 |
Q: Why is the sea sand at the waters edge sometimes soft and sometimes compacted hard, after the waves ...
A: I cannot reply to your personal e-mail because the system is confidential and does not give me your ...
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| geology | 3/30/2006 |
Q: What is associated with the Benioff Zone?
A: Sorry for the delay, the AllExpert website was down. Benioff zones are dipping, roughly planar ...
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| Interview please answer fast!!! | 3/22/2006 |
Q: my name is Derek Ridder and I go to Rex putnam high school in Portland, Oregon. I am doing ...
A: Derek, I will try to be brief. 1. never been an oceanographer. i am a geologist (8 years) 2. never ...
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| sediment | 3/19/2006 |
Q: THe property of water which makes it a cement in small quantities is its A.)surface temperature ...
A: The best answer, in my opioion, would be E)ubiquity. Water is easily accessible. One could use milk, ...
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| Ice Age / Glaciology / Moraine Strata | 1/25/2006 |
Q: what are the controversial debates and theories in this field. I am thinking in terms of working on ...
A: I am not an expert in glaciology however, one of the most controversial issue in the feild is how ...
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| sedimentary geology | 1/22/2006 |
Q: During the compression and heating of a given amount of sediment, what percent of the height of that ...
A: The phenomena of vertical compression and resulting loss of thickness is called compaction. The ...
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| shale oil vs. oil shale | 1/8/2006 |
Q: Is "oil shale" the only kind of shale that contains oil? I mean, when they say "shale oil", are ...
A: I guess this is a symantics questions. Generally, oil shale refers to the shale that oil can be ...
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| Sedimentology & Petroleum Geology | 1/2/2006 |
Q: I'm an MSc (Petroleum Geology)student doing my thesis at the Institute of Geology, Punjab University ...
A: 1) A tidal bundle sequence, is when you see the fortnightly (i.e. two weeks) between, say, two ...
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| Environmental Geology | 12/30/2005 |
Q: i have just graduated with B.Sc Geology from university of Maiduguri, Nigeria. i'll will be going ...
A: There are many fields of study in environmental geology, including mining, hydrocarbon remediation, ...
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| Sulfur and Coal | 12/22/2005 |
Q: Best Regard, Paul Honda PT. SILICA G INDONESIA ...
A: Paul, Depending on where the coals originate, the average sulphur composition of coals is less than ...
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| Sulfur and Coal | 12/15/2005 |
Q: What and how sulfur is effect on coal? Why is it customer prefer coal with low sulfur instead of ...
A: Customers are charged a higher rate for low-sulphur coal mainly because it is more pure and produces ...
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| Sedimentary | 11/15/2005 |
Q: 1. How does the weather affect sedimentary rocks? 2. Are there different types of sedimentary rocks? ...
A: Weather has everthing to do with sediment deposition. During periods of low winds and relatively ...
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| coal | 11/15/2005 |
Q: sir,is there any method by which coal is prepared artificially if so then what?
A: I am sure there is a way. To begin with: Coal is formed when peat is altered physically and ...
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| Minerals | 11/15/2005 |
Q: 1. Is there a mineral that there aren'r many of in the whole world? 2. Where can you find fossils? ...
A: 1. yes, there are many. There many candidates out there like Moldavite or red Beryl, but I am not ...
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| Minerals | 11/14/2005 |
Q: What is the second hardest mineral? What is the second most abundant mineral after quartz? How do ...
A: I am not sure, but Corundum is nearly as hard as diamond. The second most abundant mineral would ...
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| science project | 11/14/2005 |
Q: I am a 7th grade student. I study in Escola Americana do Rio de Janeiro in Brazil. and in Science we ...
A: I will try to answer your questions as clearly as I can. 1) The rarest mineral I have ever found ...
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| Can a human create a mineral?
... | 11/12/2005 |
Q: Can a human create a mineral?
A: Here is how you can make some crystals of your own... You can make salt crystals from either table ...
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| What is the most dangerous/poisunous... | 11/12/2005 |
Q: What is the most dangerous/poisunous mineral now a days?
A: Philippe, Cyanide is a poisonous mineral that destroys the brain, liver, and heart; at high ...
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| What is a sedimentory rock... | 11/12/2005 |
Q: What is a sedimentory rock?
A: A sedimentary rock is a rock formed by the consolidation of sediment. There are two types of ...
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| How do most minerals form... | 11/10/2005 |
Q: How do most minerals form?
A: A mineral is a naturally occurring crystalline solid with chemical and physical properties that vary ...
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| What is your favorite mineral... | 11/10/2005 |
Q: What is your favorite mineral?
A: My favorite mineral is probably diamond. I like it best because it is made for commmon carbon, an ...
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| What is the rarest mineral... | 11/10/2005 |
Q: What is the rarest mineral to find now a days?
A: I cannot be sure of the answwer to this question, but majorite garnet is extremely rare. It is only ...
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| How are fossils formed?
why... | 11/6/2005 |
Q: How are fossils formed? why did the continents spred apart? Why does a glacier move?
A: Question 1) Petroleum, natural gas, and coal are the main fossil fuels in modern use. All of these ...
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| high temperature thermal energy storage | 11/5/2005 |
Q: I plan to buy four large 4'x8' solar hot water collectors for my home. I'm frustrated that I will ...
A: I have absolutely no knowledge of this field of study. However, my best guess is that you can use ...
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| Science Project | 11/5/2005 |
Q: 1. Did you had to study a lot to become a geologist? 2. If you find something very rare do you have ...
A: I knew I wanted to become a geologist when I went to College. I took a geology course which I really ...
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| Minerals | 10/31/2005 |
Q: Why are some rocks brighter than others?
A: It all depends on the composition of the rocks. That is, the minerals in the rocks. For example, ...
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| Minerals and Earth | 10/31/2005 |
Q: Does a mineral help the Earth? If yes, which minerals?
A: Minerals make up most of the Earth. All rocks on the Earth are composed of minerals. As is most ...
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| geology | 10/31/2005 |
Q: I've just been in gold mines in Minas Gerais, Brazil, and I was really curios to know how the ...
A: First of all, congratulations on being in the gold mine. I have only been in afew mines and would ...
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| sandstone | 10/15/2005 |
Q: my question is regarding the petrography of the sandstone.we are being taught the petrography of the ...
A: Here are a few snippits of information from associates and such: 1) Petrology is the study of the ...
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| sandstone | 10/12/2005 |
Q: my question is regarding the petrography of the sandstone.we are being taught the petrography of the ...
A: There are several reasons to study the field of petrology. In my field of study, petroleum geology, ...
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| landforms | 9/27/2005 |
Q: Can you explain the formation of mesas? I believe some are due to erosion, but what about a round ...
A: Jim, All mesas are generally formed byt the same process of erosion. Some form long linear shapes ...
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| structural geology | 9/17/2005 |
Q: Discuss the causes and mechanics of folding. Thanks sir.
A: Srinivas; The folding of rock strata occurs where compression causes them to buckle. Over time, ...
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| structural geology | 9/17/2005 |
Q: Explain relationships of elastic,plastic and viscous materials. Thanks sir.
A: Dozens of books have been written on this subject and whole categories of science devoted to ...
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| great flood | 7/11/2005 |
Q: Ardies, The other day I was watching a documentary about the alleged great flood made famous by ...
A: I agree that a worldwide flood is out of the question. Even if all of the ice caps around the world ...
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| Volcanoes | 7/3/2005 |
Q: Explain the first part a bit more please. Thanks for the help.What association do plate boundaries ...
A: Here is the more expansive answer to your question... The definition of volcanism is: the eruption ...
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| Volcanoes | 7/1/2005 |
Q: What association do plate boundaries and volcanism have? Can the eruptive style and composition of ...
A: Ashley, There are basically three types of magmatic eruptions. One of these occurs at spreading ...
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| Surface oils, naturally occurring | 6/21/2005 |
Q: Greetings, I would like to know more about the oily sheen I sometimes see in marshes or where ...
A: Most of the surface oils that you see on the surface of swamps is commonly referred to as swamp gas. ...
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| Mesas of New Mexico and Arizona | 6/13/2005 |
Q: When driving through Arizona and New Mexico, you can see large mountains with perfectly flat tops ...
A: You are right, they are called mesas. These form by the process of erosion. At one time, the tops of ...
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| Limestone of Andalucia | 6/9/2005 |
Q: Recently visited and walked the hills of southern Malaga Province Now beginning to try to put the ...
A: Andy, Please let me know if you require more info. I now have a contact who is working on Andalucia ...
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| earth eroision | 6/2/2005 |
Q: After a forest fire or land slide, what types of plants or trees are best to plant to prevent ...
A: This is definitely not in my area of expertise, but here is what I know. In a temperate ecology, ...
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| Air Pockets | 5/15/2005 |
Q: I'm not really sure if this is in your area of expertise or not--I don't know what category it falls ...
A: Chandra, I would have to side with you. Here is my reasoning. Air is much less dense than water, ...
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| Mountain top removal | 2/2/2005 |
Q: I am a Journalism student at Marshall University and I am doing a story on the harms or benefits of ...
A: I am assuming you mean anthropogenic mountain-top removal. Natural mountain-top removal is a slow ...
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| Geology/Earth Processes | 1/26/2005 |
Q: Where does the energy that drives Earth's processes come from? Thanks for your time.
A: Chloe, There are several different sources of energy created within the Earth and above the Earth ...
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| foosilization and petrification | 1/23/2005 |
Q: please explain what are the different processes of fossilization and petrification and how are the ...
A: Asad, Here are the four main types of fossilization: Mineralization Subprocesses from ...
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| flow rate of water | 1/17/2005 |
Q: Does the amount of water effect the flow rate? Why?
A: Cory, The amount of water does not influence the flow rate. For example, if you pour 10 gallons of ...
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| Earth Changes | 1/5/2005 |
Q: I hope I picked the correct person to ask these questions to. I say that because I wasn't really ...
A: I can try my best to answer these interesting questions. First of all, if a bollide (meteorite) big ...
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| Geology | 11/30/2004 |
Q: I wanna help you could you tell me please that. Which one of the following landforms would be ...
A: The most probable answer is an drumlin; but none of the answers are obvious. Moraines from along the ...
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| Geology | 11/30/2004 |
Q: I wanna help you could you tell me please that. Which one of the following situations would you ...
A: I would think the correct answer is: 4. A 100-kilometer-per-hour wind blowing for 10 hours across a ...
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| correct description of boulders | 11/25/2004 |
Q: I am writing a novel and researching accuracy at this point. My character lives in North Alabama ...
A: White quartz boulders are certainly white. However, not all white boulders are quartz. If the ...
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| Geology | 11/16/2004 |
Q: I wanna help you could you tell me please that. Suppose the highest point in a landscape is 2,000 ...
A: Shazi, If the lowest point is measured in meters above sea level, then the answer is 2 (1,500 ...
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| asking | 11/6/2004 |
Q: george Ardies Iam a student in unversity of sulaimani in kurdistan of iraq. I need somethings about: ...
A: herow gharib, These are great questions. They are a little general, so I will write what I can and ...
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| structural geology | 10/21/2004 |
Q: what is the main evidence for shear zone ? 2)where can we expect shearzone along the contact of ...
A: Dev, There are a lot of lines of evidence for shear zones. Some of the most important are: fault ...
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| Plant life and when it began to exist | 10/10/2004 |
Q: Did cedar trees exist during the Ordovician and Silurian periods? and what type of plants would have ...
A: Matt, Ordovician: First evidence (mostly just spores) of bryophyte-like terrestrial plants. ...
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| gEOLOGY | 10/6/2004 |
Q: THE MOST VIOLENT VOLCANIC EXPLOSIONS ARE GENERALLY GENERATED FROM:
A: MELISSA CURTIS, THE MOST VIOLENT VOLCANIC EXPLOSIONS ARE GENERALLY GENERATED FROM: Composite ...
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| geology | 10/5/2004 |
Q: What erosional and depsotional processes have contributed in forming Indiana's landscape?
A: Leah, I am not an expert on Indiana's landscape. One force that did influence the landscape of ...
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| Why is the core of the earth hot? | 10/4/2004 |
Q: Could you please explain to me the force, the source of energy that causes the core of the earth to ...
A: Robert, The core of the Earth is hot because of the tremendous pressure and temperature created by ...
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| geology | 9/28/2004 |
Q: would you please help me with thiswhat are the ore minerals of cu and zn? THANKS
A: Copper commonly forms as a native element (pure copper in the rock). One of the first metals known ...
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| hello,i wud love 2 knw da... | 9/15/2004 |
Q: i wud love 2 knw da definatn & example where posible of da followin terms; 1.DIAPIRIC FOLDS ...
A: Here ya go... 1. a fold in the earth where the rocks in the top of the fold have been ruptured by ...
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| Prehistoric Teays Valley Lake | 8/26/2004 |
Q: Did the Lake area extend into what is now Meigs Co.? I live in an area at grid Co-or N39 08.613 & W ...
A: Lloyd, Unfortunately, I do not know about the Teays Valley Lake. Can you describe the geography a ...
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| School requirements | 8/23/2004 |
Q: I was wondering what the requirements were to get into University for Enviromental Geology. I was ...
A: Corey, As you pointed out, different universities have different entrance requirements that vary ...
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| transform fault | 8/11/2004 |
Q: what type of crustal stress causes a transform fault? a: shear stress b: compression c: tension d: ...
A: sarah mccourt , The answer is a) shear stress. Shear stress is a stress state where the shape of a ...
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| Jules Verne Novel | 8/4/2004 |
Q: The highly acclaimed novel written by Jules Verne called Journey to the Center of the Earth could ...
A: rayna It has been quite a while since I read the book, but I think that the subplots, as well as ...
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| coal | 7/30/2004 |
Q: I am a 6th grade teacher in Greenwood, Indiana preparing for my upcoming school year. I have ...
A: Chelsea Colwell, Thanks for the great question! Coal generally forms in swampy environments, ...
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| petrified wood/sandstone | 7/24/2004 |
Q: I recently found quite a bit of petrified wood imbedded in sandstone. Do you think the wood and the ...
A: Marty Jenson, What typically happens is; the peice of wood falls to the ground or is buried by sand, ...
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| Sedimentology | 7/20/2004 |
Q: On Île-Verte in the St-Laurent River opposite Tadoussac, I found sedimentary formations that I have ...
A: André Brunel, Great description! And a challenging question. Without seeing the rock, it is very ...
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| geology | 7/11/2004 |
Q: please explain what volcanic sandstone is. I thought volcanic rocks were intrusive, extrusive i.e. ...
A: Sheila , Volcanic sandstones (from volcanoes) do not really exist. There are sandstone-like deposits ...
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| Radar investigations | 6/20/2004 |
Q: Would you please be so kind to explain me what the following expressions mean ? They both have to do ...
A: Guy, I think the best way to answer this question is to refer you to a great paper on the physics of ...
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| what is a clean up solution... | 6/15/2004 |
Q: what is a clean up solution to global warming?
A: aj The Earth has experienced many warming and cooling cycles over the last several billion years ...
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| United States Sinkhole Hazard Map | 4/29/2004 |
Q: Do you know where I can find a map of the continental United States showing the sinkhole hazard ...
A: Great question. I would try looking through the US Geological Survey home page at: ...
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| Dating Technique Age Ranges | 4/7/2004 |
Q: I was reading your reply on http://experts.about.com/q/1359/3358303.htm. Could you please tell me ...
A: Fission Track -- listed as "'20' to a billion years"; 20,000,000 to 1 billion years? Electron ...
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| strata | 3/24/2004 |
Q: i was realy looking for the information on the strata because i can't find it on the net. i'm ...
A: Willem, I am not sure I follow your line of questioning. The impact of the meteor released a rare ...
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| strata | 3/17/2004 |
Q: we hear many things about k time and t time strata. is there a noticeable difference between the ...
A: willem willemse: The "k" time you refer to is the Cretaceous time period (even though it begins ...
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| Formation of layers or strata | 3/2/2004 |
Q: The geologic column shows the variuos strata laid down over eons. My question is where does the ...
A: Micheal The Rock Cycle is a group of changes. Igneous rock can change into sedimentary rock or ...
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| Geology/incised valleys | 2/23/2004 |
Q: I wrote to you previously about information that I needed concerning incised valleys that I am ...
A: Thomas Newton, Great question. I agree with you that the periodicity of during the pennsylvanian ...
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| Ocean Sediments | 2/10/2004 |
Q: Why don't the oceans have more sediment in them? Where does it all go? Earth is 4.6 billion years ...
A: Mitch , Oceans are very dynamic beasts. Oceans grow, shrink, are created and are detroyed. Also, the ...
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| determining rock age | 1/20/2004 |
Q: Given a vertical slice of land containing different horizontal layers of rock, how can one ...
A: Robert Kamei, I have also included a discussion of absolute dating techniques below. But to answer ...
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| Limestone | 9/4/2003 |
Q: What are the named methods/techniques of estimating how old a limstone is? And how would they work? ...
A: Shani, There are several ways to date limestone (or clastic) rocks. These can be either relative or ...
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