Unformatted text preview: What makes a rock an “ore” of some commodity? What are the principle ways that ores are formed in nature? What are the so-called nonmetallic mineral resources? Are some/most mineral resources non-renewable? If so, what are their expected lifetimes?...
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This document was uploaded on 10/26/2011 for the course GEOL 1003 at LSU.
- Spring '08