Search results
The U.S. Geological Survey (USGS) Mineral Resources Data System catalogs information about mineral resources around the United States and the world. Using the map tool, users can zoom in to obtain reports and data on past and present mines, mine prospects, and processing plants.
Some of the most productive hard rock gold mines in the US include the Homestake Mine in South Dakota and the Carlin Trend deposits in Nevada. Secondary Gold Deposits are not far from its Primary Gold Deposit.
The NMMR acquires maps through public outreach with state and federal environmental agencies as well as mining companies, engineering and consulting firms, surveying companies, universities, and private citizens. The facility stores data on more than 274,000 mines from throughout the United States.
7 wrz 2023 · Symbols indicating mining-related features digitized from historical USGS topographic maps in the western part of the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pits, and other features.
10 lis 2022 · Mineral Resources. Geology. Geochemistry. Geophysics. The following are individual portals for specific studies and/or mineral resource assessments: Earth MRI. Mineral Resources. Sagebrush Mineral Resource Assessment. Basement Domain Map. USMIN Mineral Deposit Database. Prospect- and Mine-related Features on USGS Topographic Maps.
13 gru 2019 · This dataset includes locations and associated information about mines and mining activity in the contiguous United States. The database was developed by combining publicly available national datasets of mineral mines, uranium mines, and minor and major coal mine activities.
24 paź 2024 · National Mine Map Repository. Oversight Document Database (O-Docs) OSMRE. Contact Information. 412-937-2114. nmmr@osmre.gov.
