NASC 130 Essentials3_ch12

Limestone quartz and clay cement essentials of

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Unformatted text preview: shak Chapter 12: Riches in Rock: Energy & Mineral Resources Global Mineral Needs Mineral resources are non-renewable Form as the result of geologic processes Processes too slow to generate new deposits Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Global Mineral Needs Mineral resources are not evenly distributed Mineral Some countries are mineral rich; some are mineral poor This is a particular issue for strategic mineral resources This Metals needed for highly specialized applications National security and defense Aerospace Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Global Mineral Needs How long will current mineral resources last? Depends upon consumption rates and reserve amounts Some U.S. mineral resources will run out soon Iron, copper, lead? < 40 years Zinc, gold? < 25 years Aluminum <2 years Platinum, nickel, cobalt, manganese, chromium <21years Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Global Mineral Needs Continued use of scarce minerals will require… Discovery of new sources Increase in price to make hard-to-get reserves profitable Increase Increased efficiency...
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This document was uploaded on 11/25/2013.

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