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Question
unknow rock
unknow rock  

same
same  
We found a few rocks that look like they may have gold or silver in them is there a way one can tell? I can send a picture if that would help.


Sincerely
Sylvia Norris

Answer
Dear Sylvia Norms
Geologist can evaluate the sample consult colorado geologists
You can try -scratch yellow mineral on porecelain streak plate -it gets streak golden yellow-may be gold-if it gets -greyish black-it may be chalcopyrite
Chalcopyrite copper ore mineral and gold mineral looks like same-however streaks are different
Prof DVREDDY-NITK-India
Editor in Chief IJEE

Dr D.Venkat Reddy
Professor of Geology
Editor- in -Chief -International  Journal of  Earth Sciences&Engineering(ISSN 0974-5904)
Editor -in -Chief-International Journal of   Biological Sciences and Engineering- IJBS
Editor-in Chief -int Journal of Advances Structures Geo technical Engineering-IJASGE
Department of Civil Engineering
National Institute of Technology,Karnataka,(NITK)
Surathkal,Srinivasanagar-575025,Mangalore-D.K,India
http://cafetinnova.org/ijee.html
email   dvr1952@gmail.com,dvr1952@yahoo.co.in,
         chiefeditor_ijee@yahoo.com  

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Dr D.Venkat Reddy

Expertise

Engineering Geology,Mining geology,commercial petrology,Decorative and dimensional stones,Hydrogeology

Experience

20years texhing and reserch expireience in geology,enginnering geology for graduate and undergraduate students-reserch guidance,10years field exoireience conducting field camps for geology students=Presently Assistant professor in geolog

Organizations
NITK-National Institute of Technology,Surathkal,Mangalore-DK,India Geology section Dept of Civil Engineering

Publications
published 70 research papers.( 4 books)- Editor in Chief-International Journal of Earth Sciences and Engineering -1.Engineering Geology for civil Engineers-oxford &IBH pub-1996] 2.Decorative and dimensional stones of India-CBS Pub-1997 3.Engineering Geology-Vikaspublishers2010 4.Applied Geology-Vikaspub-2010

Education/Credentials
MSC(GEOLOGY),Osmania university,India, MSC(Tech )Hydrogeology,OU,India PhD(GEOLOGY)OU,India

Awards and Honors
Distinguishing Indian Award Editor in chief-International Journal of Earth Sciences and Engineering (www.cafetinnova.org)

Past/Present Clients
PRESENTLY WORKING =Professor of Geology-Dept of Civil Engineering NITK-INDIA

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