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N is for non-metallic

January 1, 2011
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Annual non-metallic minerals are typically twice the value of metallic minerals, which takes a little of the sparkle out of gold.

Citation Information

Publication Year 2011
Title N is for non-metallic
Authors W. H. Langer
Publication Type Article
Publication Subtype Journal Article
Series Title Aggregates Manager
Index ID 70003979
Record Source USGS Publications Warehouse
USGS Organization Central Mineral and Environmental Resources Science Center