Found 28 datasets matching "open pit mine".
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Sediment hosted gold deposits in Nevada were first mined in the 1960s from open pit mines with large tonnage and low grade resources. Since that time, continuing exploration and discovery have...
Search relevance: 68.22 | Views last month: 1 -
Contains employment and coal production reported by mine operators for each quarter in a calendar year, by subunit and mine ID. The subunit code identifies the location or operation of the mine...
Search relevance: 67.04 | Views last month: 16 -
Contains the annual summation of employee hours and coal production reported by mine operators where the average quarterly employment is greater than zero with grouping by calendar year, subunit...
Search relevance: 65.16 | Views last month: 12 -
Contains employment and coal production reported by contractors for each quarter in a calendar year, by subunit and mine ID. The subunit code identifies the location or operation of the mine...
Search relevance: 65.14 | Views last month: 0 -
Contains the annual summation of employee hours and coal production reported by contractors where the average quarterly employment is greater than zero with grouping by calendar year, subunit code...
Search relevance: 63.49 | Views last month: 0 -
At the Rockbridge Stone Products sand and gravel open pit mine along Loves Run, two Optically Stimulated Luminescence samples from an f2 fan deposit yielded dates from ca. 157 to 139 ka (Carter...
Search relevance: 62.78 | Views last month: 0 -
Open pit uranium mining in Atascosa, Karnes, and Live Oak Counties in the Texas gulf coast region was active during the second half of the 20th century. Understanding the history of these mining...
Search relevance: 56.28 | Views last month: 1 -
A 45-day mesocosom experiment was conducted to determine how well a perennial grass species (Bouteloua curtipendula) grew in mining wastes from southeastern Arizona. The experiment tested whether...
Search relevance: 55.07 | Views last month: 0 -
These data are part of a larger USGS project to develop an updated geospatial database of mines, mineral deposits and mineral regions in the United States. Mine and prospect-related symbols, such...
Search relevance: 46.07 | Views last month: 2 -
These data represent laboratory reflectance measurements conducted on a suite of sandstone, tuffaceous mudstone and claystone rocks and sediment, which are known host and source materials for roll...
Search relevance: 45.66 | Views last month: 0 -
Version 10.0 of these data are part of a larger U.S. Geological Survey (USGS) project to develop an updated geospatial database of mines, mineral deposits, and mineral regions in the United...
Search relevance: 33.47 | Views last month: 0 -
These data, modified from Horton and San Juan (2016), are a consolidation of point and polygon features representing mine and prospect-related symbols shown on U.S. Geological Survey (USGS) 7.5-...
Search relevance: 33.16 | Views last month: 4 -
Rare earth elements are critical mineral commodities typically extracted together as a group of 15 elements (lanthanides plus yttrium) from either 1) hard rock ores or 2) ion-adsorption clay...
Search relevance: 31.43 | Views last month: 0 -
This data release provides the description of U.S. sites that include mineral regions, mines and mineral occurrences (deposits) that have a contained resource and (or) production of tellurium...
Search relevance: 30.91 | Views last month: 19 -
Clear Lake is a 180 km2 freshwater lake located approximately 120 km northwest of Sacramento in the California Coast Range. The lake is a popular sport-fishing destination, however, there are fish...
Search relevance: 29.92 | Views last month: 3 -
This data release provides descriptions of more than 100 mining districts, mines, and mineral occurrences (deposits and prospects) within the United States that are reported to contain enrichments...
Search relevance: 29.17 | Views last month: 2 -
This data release provides descriptions of more than 120 mineral regions, mines, and mineral deposits within the United States that are reported to contain enrichments of tin (Sn). This data...
Search relevance: 28.49 | Views last month: 4 -
Version 4.0 of this data release provides descriptions of more than 200 mineral districts, mines, and mineral occurrences (deposits, prospects, and showings) within the United States that are...
Search relevance: 28.39 | Views last month: 237 -
This data release provides descriptions of more than 60 mineral regions, mines, and mineral deposits within the United States and its territories that are reported to contain enrichments of cobalt...
Search relevance: 28.15 | Views last month: 15 -
This U.S. Geological Survey (USGS) data release provides the descriptions of the only U.S. sites-including mining districts, mineral occurrences, and mine features-that have reported production...
Search relevance: 28.15 | Views last month: 10
