geologytermsch.13 - Low-grade deposit: deposit in which the...

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Jonathan Grant GEOL 1330D Dr. Rhodes 2/5/10 Ch. 13 Key Terms Mineral deposits: locally rich concentrations of minerals Mineral reserves: deposits of earth materials from which useful commodities are economically and legally recoverable with existing technology Ores: reserves of metallic minerals Concentration factor: an ore deposit’s enrichment expressed as the ratio of the element’s abundance in the deposit to its average continental-crustal abundance Average crustal abundance: the amount of a particular element present in the continental crust High-grade deposit: a deposit with a high concentration of a desired element
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Unformatted text preview: Low-grade deposit: deposit in which the mineral content is minimal but still exploitable Smelters: large industrial plants that process ore concentrates and extract the desired elements Pegmatites: small, tabular-shaped, very coarse-grained, intrusive igneous bodies that may be important sources of mica, quartz, feldspar, beryllium, lithium, and gemstones Volcanogenic deposits: these occur in marine sedimentary rocks that are associated with basalt flows or other volcanic roks...
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This note was uploaded on 11/14/2011 for the course GEOL 1330 taught by Professor Sharonrich during the Spring '10 term at Georgia Southern University .

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