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Expert Profile: Dr Thomas Bell

Expertise:  I can answer questions regarding surface earth processes and the chemical transformations that sediments and rocks undergo with burial. I can also answer questions regarding deep time, the evolution of the elements, and the last 4.5 billion years of earth history. I specialize in metallic ore forming processes, the major geologic time periods when they were produced and what they tell us about the evolution of our planet. Learn more about my professional interests at Stratamodel.com.

Experience in the area
I am a professional consulting geologist with a background in the petroleum, mining, environmental, and geotechnical industries with over 25 years of experience.

Education/Credentials
Ph.D., Geology, University of California at Berkeley, 1984 M.A., Geology, University of California at Berkeley, 1980 B.S., Geology, San Jose State University, 1978

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Average Ratings
Prestige Points: 1890
Knowledge   9.90   Best of the best
Clarity of Response   9.93   Best of the best
Timeliness   10.0   Best of the best
Politeness   9.98   Best of the best
Number Of Questions
(in Past 24 Hours)
0
Max Questions to be Asked
(in 24 Hour period)
1
Total Questions
(since joining AllExperts)
210
Recent Reviews from Users
KnowlClarityTimePolitenessDate
1010101008/25/08
1010101008/17/08
1010101008/14/08
10101007/26/08
1010101006/24/08
User Comments
wow very quick and informatve reply thanks i am very impressed
(William on 08/25/08)
Always answered my e-mail right away
(K on 08/17/08)
Thank you for the quick response to my question. Much appreciated
(Jarrad on 06/24/08)
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Recent Answers from Dr Thomas Bell
2008-10-11  escarpment vs cliff Najwa, The difference between a cliff and an escarpment is one of scale. Escarpments are large geographic features where there is a sudden change in elevation between two terrains or physiographic...
2008-09-28  Calculation of gold in thio complex Gerry, If the concentration you provide is that of gold, not the complex itself, the calculation is straightforward. The mass of water at standard temperature and pressure is 1,000 grams per liter...
2008-09-11  question Kallis, Earth does wobble on its axis but this is not caused by the size or distribution of mountains. The distribution of mass within Earth's crust changes over long time periods (millions to billions...
2008-09-02  main subjects Katie, The scope of the science of geology is not very well defined anymore. Our boundaries used to be confined to the physical properties of the crust of planet Earth. Now that a geologist has...
2008-08-25  flagstones William, Flagstone is a stone mason's term, not a geologic term. Flagstone is frequently sandstone or siltstone. The defining features of flagstone are the ease with which it can be split into flat...
More Answers for "Geology"


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