America's gold /
Gold dates from the time of the supernova explosion that gave birth to the building blocks of our solar system. When it was created, the Earth included a tiny percentage of gold atoms, and over the aeons geologic processes have concentrated it into various nooks and crannies around the globe. The be...
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| Other Authors: | , |
|---|---|
| Format: | Electronic Video |
| Language: | English |
| Published: |
New York :
A & E Television Networks,
2010.
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| Series: | How the Earth was made
VAST: Academic Video Online |
| Subjects: | |
| Online Access: |
Full text (Emmanuel users only) |