Description: From summary: Union Mines' examination of Arizona's pegmatites, lode deposits of the central and southeastern parts of the state, and heavy mineral concentrates from few placer deposits indicates that SOM is practically non-existent in the first two and that minor amounts of monazite and possibly other S-37 minerals are present in the last.
Date: March 26, 1946
Creator: Hill, J. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department