| | Book (edition) | who differ only in the major element present: Ca, K, Mg, Na, or Sr. Older references are unaware of the...text and on the maps. The previous edition used mining districts as part of the locality description....1895 to 1910, he was a professor of geology and mining and the director of the School of Mines at the... ~ 0 500 z ~ _J <( 400 I- 0 I- 300 200 100 00 0) Arizona State Symbols 0 00 CD 0 ....,... Turquoise is widespread throughout the copper-mining areas in Arizona and has been used in jewelry for |
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