| Mines, Deposits, and Occurrences—Part A. Geologic Data By Carlotta B. Chernoff1 and G.J. Orris2 Open-File...or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government...……………………………………………………..…… 3 DATA SOURCES, PROCESSING, AND ACCURACY ……………..… 3 DATA ……………………………………………………………………...more than 1,600 world phosphate mines, deposits, and occurrences was compiled from smaller data sets collected...efforts by Carlotta Chernoff, University of Arizona, and Greta Orris, U.S. Geological Survey. These data have |
Mataiva Atoll, Tuamotu Archipelago, Tuamotu-Gambier, French Polynesia, France