![Crystallography / Ore / Chalcopyrite / Mineral / Pyrite / Breccia / Gold / Iron oxide copper gold ore deposits / Volcanogenic massive sulfide ore deposit / Economic geology / Chemistry / Geology Crystallography / Ore / Chalcopyrite / Mineral / Pyrite / Breccia / Gold / Iron oxide copper gold ore deposits / Volcanogenic massive sulfide ore deposit / Economic geology / Chemistry / Geology](https://www.pdfsearch.io/img/9a7dda927d963b2450f9299f8d20be03.jpg) Date: 2012-07-25 12:38:17Crystallography Ore Chalcopyrite Mineral Pyrite Breccia Gold Iron oxide copper gold ore deposits Volcanogenic massive sulfide ore deposit Economic geology Chemistry Geology | | U.S. Department of the Interior — U.S. Geological Survey. Adak quadrangle Description of the mineral occurrences shown on the accompanying figure follow. See U.S. Geological Survey[removed]for description of the informAdd to Reading ListSource URL: ardf.wr.usgs.govDownload Document from Source Website File Size: 353,02 KBShare Document on Facebook
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