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About Keith Patton
Expertise
I can answer questions concerning physical and historical geology, environmental geology/hydrology, environmental consulting, remote sensing/aerial photo interpretation, G&G computer applications, petroleum exploration, drilling, geochemistry, geochemical and microbiological prospecting, 3D reservoir modeling, computer mapping and drilling.I am not a geophysicist.

Experience
I have 24 years experience split between the petroleum and environmental industries. I have served as an expert witness in remote sensing, developmental geologist, exploration geologist, enviromental project manager, and subject matter expert in geology and geophysical software development.

Organizations
American Association of Petroleum Geologists
American Association of Photogrammetrists and Remote Sensing

Education/Credentials
Bachelor and Master of Science
Registered Geologist in State of Texas

 
   

You are here:  Experts > Science > Geology > Geology > sedimentary rocks

Geology - sedimentary rocks


Expert: Keith Patton - 10/20/2009

Question
please give me the classification %26 environments of sedimentary rocks? in PDF file?

Answer
I assume you mean depostiional environments?

There are numerous ones and some are shades of gray, as they produce similar rocks and only a petrological analysis can tell them apart if the rocks are not see in their natural place of depostition...in out crop that is.

Sandstone:   Near shore Marine: beach, or sand dune, or barrier island; Desert: dunes, sheet fans;  Fluvial: point bar sands and channel sand bars;  Glacial: Esker, Kame and outwash deposits

Shale:   Near shore Marine: lagoon, deltaic fan, near shore shallow water.  Fluvial: overbank/levee splay deposits (where flood waters deposit mud)  Deep water marine: Turbidites or mudslides. Glacial: outwash deposits

Conglomerate:  Fluvial: high energy stream deposits, Near shore Marine: coarse turbidites or melange deposites. Glacial: Moraine deposits; Desert: alluvial fan depsites and talus slopes.

Siltstone:  Fluvial: levee overwash or splay deposits; Glacial: outwash and moraine deposits
Desert: Alluvial fan deposits.

Limestones:  Marine:  Deep water abyssal plain deposits, shallow sea deposition of benthonic faunal remains and reef deposits.
Fluvial: travertine deposition in karst regions where ground water emerges laden with dissolved calcium carbonate which percipitates out at the surface. Desert:  Playa evaporites and limes.

Evaporites: Marine:  Silled basin deposition in evaporating shallow seas.  Desert:  Playa deposition in dried lakes.

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