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Mysteries of Terra Firma book cover
Mysteries of Terra Firma
The Age and Evolution of the Earth
2001
First Published
3.96
Average Rating
272
Number of Pages
Describes three geologic revolutions that have transformed our knowledge about the the measurement of geologic time, the discovery of plate tectonics, and the recognition of the role of chance in Earth's evolution.
Avg Rating
3.96
Number of Ratings
24
5 STARS
29%
4 STARS
46%
3 STARS
17%
2 STARS
8%
1 STARS
0%
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Author

James Lawrence Powell
Author · 12 books

Dr. James L. Powell graduated from Berea College with a degree in Geology. He holds a Ph.D. in Geochemistry from the Massachusetts Institute of Technology and taught Geology at Oberlin College for over 20 years. He served as Acting President of Oberlin, President of Franklin and Marshall College, President of Reed College, President of the Franklin Institute Science Museum in Philadelphia, and President and Director of the Los Angeles County Museum of Natural History. Powell currently serves as Executive Director of the National Physical Science Consortium. Asteroid 1987 SH7 is named for him.

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