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OFR 85-86 - Juneau Gold Belt Area: Preliminary Mine, Prospect, Sample Location Maps and Descriptions. Alaska. 1986. The Juneau Gold Belt portion of the Juneau Mining District has historically had the greatest mining and exploration activity within the district and is the subject of this report. Between 1880 and 1983, the mines within the Juneau Gold Belt produced 6.7 million oz gold, 3.1 million oz silver, and 45 million lbs lead, all of which had a total value of about $157,000,000. Information in this report is based on an extensive literature search which included unpublished private company reports, U.S. Geological Survey, State of Alaska, and Bureau reports, personal interviews, and Bureau field work. The field work during 1985 revealed the locations of numerous adits, shafts and other old mine workings, many of which were... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gold, Juneau Gold Belt, Alaska OFR 49-88 - Gold-Copper Mineralization of the Chilkat Peninsula & Islands, Alaska. 1988. As part of a cooperative project during 1986 and 1987, personnel from the U.S. Bureau of Mines and State of Alaska Division of Geological and Geophysical Surveys studied the mineral development potential of the Chilkat Peninsula and Islands, Alaska, as part of the larger Juneau Mining District study. About 4/5 of the area is within the Alaska State Chilkat and Chilkat Islands State Parks and not open to mineral entry. This study located four new (or previously unreported) gold- copper prospects. One of these, the Road Cut prospect, was examined by trenching, drilling and geophysics. While sufficient grades and tonnages were not delineated by this work to constitute an economic deposit, they are sufficient to encourage... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chilkat Peninsula & Islands, Alaska, Copper, Gold Global Geochemical Database for Critical Minerals in Archived Mine Samples The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States. In addition, the database contains samples from archetypal deposits from 27 other countries in North America, South America, Asia, Africa and Europe. Samples were obtained from archived ore collections under the U.S. Geological Survey's project titled "Quick Assessment of Rare and Critical Metals in Ore Deposits: A National Assessment" (2008 to 2013) in an effort to begin an assessment of the Nations' previously mined ore deposits for critical minerals. Mineralized and altered rock samples were provided by the Colorado... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Argentina, Arizona, Arkansas, Australia, All tags... Brazil, Burma, California, Canada, Chile, China, Colorado, Cuba, Democratic Republic of Congo, Economic Geology, Finland, Geochemistry, Germany, Honduras, Idaho, India, Indonesia, Japan, Kansas, Kentucky, Maine, Mauritania, Mexico, Michigan, Mineral Resources, Minnesota, Missouri, Montana, NGDB, Namibia, National Geochemical Database, Nevada, New Jersey, New Mexico, New York, North Carolina, Norway, Oklahoma, Oregon, Papua New Guinea, Pennsylvania, Peru, Philippines, Poland, Portugal, Russia, South Africa, South Carolina, South Dakota, Sweden, Tennessee, Texas, USGS Science Data Catalog (SDC), United States, Utah, Vietnam, Virginia, Washington, Wisconsin, Wyoming, Zambia, aluminum, antimony, arsenic, atomic emission spectroscopy, barium, beryllium, bismuth, boron, cadmium, calcium, cerium, chemical analysis, chromium, cobalt, copper, critical minerals, dysprosium, economic geology, erbium, europium, fluorine, gadolinium, gallium, geochemical data, geochemistry, geoscientific information, germanium, gold, hafnium, historic ores, holmium, indium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, metallic mineral resources, mineral deposit type, mineral deposits, mineralogy, molybdenum, neodymium, nickel, niobium, nonmetallic mineral resources, palladium, phosphorus, platinum, potassium, praseodymium, rhenium, rock geochemistry, rocks and deposits, samarium, scandium, silicon, silver, strontium, sulfur, tantalum, tellurium, terbium, thallium, thorium, thulium, tin, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zinc, zirconium, Fewer tags Hydraulic Mine Pits of California This dataset is a compilation of boundary location polygons for 167 hydraulic mine pits located in northern California. This dataset was compiled from three sources, Topographically Occurring Mine Symbols (TOMS) database produced by the California Department of Conservation (2001), Yeend (1974), and on-screen digitizing, using current (2015) satellite imagery, of additional hydraulic mine pits not contained in either of these sources. References Cited: California Department of Conservation, 2001, Topographic Occurring Mine Symbols: Office of Mine Reclamation, Abandoned Mined Lands Unit, accessed 02/2010 at http://www.conservation.ca.gov/omr/abandoned_mine_lands/toms/ Yeend Warren.E., 1974, Gold-bearing gravel of... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Gold, Mineralogy, Mining, USGS Science Data Catalog (SDC), Water Resources, All tags... environment, geoscientificInformation, hydralulic mining, Fewer tags OFR 06-69 - Reconnaissance Sampling of Decomposed Monzonite for Gold near Flat, Alaska. 1969. Kimball, A.L., 1969, Reconnaissance sampling of decomposed monzonite for gold near Flat, Alaska: U.S. Bureau of Mines Open-File Report 6-69, 39 p. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Flat, Alaska, Gold, Silver, Yukon-Koyukuk Census Area, Alaska Compilation of Geospatial Data (GIS) for the Mineral Industries of Select Countries in the Indo-Pacific The U.S. Geological Survey (USGS) has compiled a geodatabase containing mineral-related geospatial data for 19 countries of interest in the Indo-Pacific region (area of study): Bangladesh, Bhutan, Brunei, Burma, Fiji, Malaysia, Mongolia, Nauru, New Caledonia, New Zealand, Papua New Guinea, Philippines, Singapore, Solomon Islands, South Korea (Republic of Korea), Sri Lanka, Taiwan, Timor-Leste, and Vietnam. The data can be used in analyses of the extractive fuel and nonfuel mineral industries integral for the successful operation of the mineral industries within the area of study. This geodatabase reflects the USGS ongoing commitment to its mission of understanding the nature and distribution of global mineral commodity... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Asia, Bangladesh, Bhutan, Brunei, Burma, All tags... Economic Geology, Energy Resources, Fiji, Geography, Indo-Pacific, Information Sciences, LNG, Malaysia, Malaysia-Thailand Joint Development Area (JDA), Mineral Resources, Mongolia, NGL, Nauru, New Caledonia, New Zealand, Papua New Guinea, Philippines, Singapore, Solomon Islands, South Korea (Republic of Korea), Sri Lanka, Taiwan, Timor-Leste, USGS Science Data Catalog (SDC), Vietnam, alumina, aluminum, antimony, arsenic, bauxite, bismuth, cadmium, calcium carbonate, cement, chromium, clay, coal, coal area, coal occurrence, coal resources, coalbed methane, coalfield, cobalt, coke, commodity, continuous resources, conventional resources, copper, copper occurrence, copper resources, development, exploration, feldspar, ferroalloys, fluorspar, gallium, garnet, gas, gas production, gemstone, gold, graphite, gypsum, hydrocarbon resources, hydrogen, indium, iron and steel, iron ore, iron sand, lead, lime, liquefied natural gas, liquid natural gas, lithium, magnesium, manganese, mica, mine, mineral, mineral commodity, mineral development, mineral exploration, mineral occurrence, mineral processing, mineral resources, minerals, mining, mining exploration, molybdenum, natural gas, natural gas liquids, nickel, niobium, nitrogen, oil, oil and gas, oil production, palladium, peat, perlite, permissive, petroleum, phosphate, phosphate rock, platinum, platinum group elements, porphyry copper, potassium, pyrophyllite, rare earths, recoverable resources, refinery, refining, resources, rhenium, rhodium, salt, sand and gravel, scandium, sediment-hosted stratabound copper, selenium, shale gas, shale oil, silica, silica sand, silicon, silver, smelting, stone, sulfur, talc, tantalum, tellurium, tight gas, tight oil, tin, titanium, tracts, tungsten, unconventional resources, undiscovered resources, uranium, vanadium, zeolites, zinc, zirconium, Fewer tags WMR 461 - Bradley (Yellowpine) Mine. Valley County, Idaho. 1945. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Antimony, Gold, Tungsten, Valley County, Idaho Selected Data from Preliminary Report on the Timmins-Kirkland Lake Area Gold Deposits File Data on gold deposits are extracted from an existing publication to enable analysis. The data comprise selected portions of a data set that are published by C.J. Hodgson in "Preliminary Report on the Timmins-Kirkland Lake Area Gold Deposits File," which is available online as a digital image of a report. As an image, the data set cannot be analyzed. Consequently, selected portions of the data set are re-published here in a text file. The datum for the latitude and longitude is not specified in the report and is assumed to be the North American Datum of 1927 (NAD27). The Ontario Geological Survey, Ministry of Northern Development and Mines, Ontario, Canada kindly granted permission to re-publish these data. Hodgson,... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Abitibi Greenstone Belt, Canada, Englehart, Kirkland Lake, Lake Abitibi, All tags... MRP, Mineral Resource Program, Ontario, Timmins, USGS Science Data Catalog (SDC), economy, geoscientificInformation, gold, mineral deposits, Fewer tags Geochemical Data Release for Idaho Primitive Area, including the contiguous Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks Primitive Area, the Sawtooth Primitive Area, and adjacent areas, central Idaho (ver. 1.2, June 2022) This U.S. Geological Survey (USGS) data release (ver. 1.2, April 2022) contains a set of previously unpublished geochemical data from project studies of primitive areas in central Idaho, including the Clear Creek-Upper Big Deer Creek Area, the Salmon River Breaks and Sawtooth Primitive Areas, and the Gospel-Hump Wilderness Area. The purpose of the USGS Idaho Primitive Area studies, conducted from 1966 to 1984, was to describe the geology, determine petrologic and geochemical characteristics, and evaluate the mineral resource potential of these primitive areas and adjacent study areas. In the case of the Idaho Primitive Area study (Cater and others, 1973), the primitive area covers 1,915 square miles; adjacent... Categories: Data, Data Release - Revised; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Big Deer Creek, Bitterroot National Forest, Blaine County, Boise County, Boise National Forest, All tags... Boise River, Camas County, Challis National Forest, Clear Creek, Clear Creek-Upper Big Deer Creek Area, Custer County, Elmore County, Frank Church River of No Return Wilderness, Idaho, Idaho County, Idaho Primitive Area, Lemhi County, NGDB, National Geochemical Database, Nez Perce National Forest, Payette National Forest, Payette River, Salmon National Forest, Salmon River, Salmon River Breaks Primitive Area, Salmon River Mountains, Sawtooth National Forest, Sawtooth National Recreation Area, Sawtooth Primitive Area, Sawtooth Range, Sawtooth Wilderness, Stanley Basin, USA, USGS Science Data Catalog (SDC), United States of America, Valley County, Yellowjacket Mountains, aluminum, antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, calcium, cerium, chemical analysis, chromium, cobalt, copper, dysprosium, environmental geochemistry, erbium, europium, exploration geochemistry, fluorine, gadolinium, gallium, geochemical data, geochemistry, geoscientificInformation, germanium, gold, hafnium, heavy metals, holmium, indium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, mineral resources, molybdenum, neodymium, nickel, niobium, palladium, pan concentrate, platinum, praseodymium, rhenium, rock geochemistry, samarium, scandium, sediment geochemistry, silver, stream sediment, strontium, tantalum, tellurium, terbium, thallium, thorium, thulium, tin, titanium, tungsten, unconsolidated deposits, uranium, vanadium, ytterbium, yttrium, zinc, zirconium, Fewer tags OFR 01-86 - Distribution, Analysis, and Recovery of Gold from Kantishna Placers, Alaska. 1986. Fechner, S.A., and Hoekzema, R.B., 1986, Distribution, analysis, and recovery of gold from Kantishna placers, Alaska: U.S. Bureau of Mines Open-File Report 1-86, 54 p., 1 sheet, scale 1:100. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gold, Kantishna Placers, Alaska OFR 14-90 - Source and Bedrock Distribution of Gold & Platinum-Group Metals in the Slate Creek Area, Northern Chistochina Mining District, East-Central Alaska. 1990. Foley, J.Y., and Summers, C.A., 1990, Source and bedrock distribution of gold and platinum-group metals in the Slate Creek area, northern Chistochina mining district, east-central Alaska: U.S. Bureau of Mines Open-File Report 14-90, 49 p., 1 sheet, scale 1:31,680. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: East-Central Alaska, Gold, Platinum Geochemical data used in the tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California The U.S. Geological Survey (USGS) has undertaken a mineral resources assessment for tungsten for a portion of the Great Basin in parts of western Nevada and east-central California. This data release provides the Great Basin Tungsten Database: the geospatial and geologic data, and results of chemical analyses for 46,955 samples collected in the assessment area, extracted from the USGS National Geochemical Database. These rock records were collected as part of various programs and projects at the USGS and analyzed from 1963 to 2015. The database represents rock records, each comprising one best value chemical determination for each analyzed chemical species, that include skarns, carbonate lithologies (for example,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Great Basin, MRP, All tags... Mineral Resource Assessment Training Program, Mineral Resources Program, NGDB, National Geochemical Database, Nevada, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), United States, aluminum, analytical chemistry, antimony, arsenic, atomic emission spectroscopy, barium, beryllium, bismuth, boron, bromine, cadmium, calcium, carbon, cerium, cesium, chemical analysis, chlorine, chromium, cobalt, copper, critical minerals, dysprosium, economic geology, erbium, europium, fluorine, gadolinium, gallium, geochemical data, geochemistry, geoscientificInformation, germanium, gold, hafnium, holmium, indium, iridium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, metallic mineral resources, mineral deposits, mineral resources, molybdenum, neodymium, nickel, niobium, palladium, phosphorus, platinum, potassium, praseodymium, rhenium, rhodium, rock geochemistry, rocks and deposits, rubidium, ruthenium, samarium, scandium, selenium, silicon, silver, sodium, strontium, sulfur, tantalum, tellurium, terbium, thallium, thorium, thulium, tin, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zinc, zirconium, Fewer tags OFR 174-84 - Columbium in the Gold and Tin-Bearing Placer Deposits Near Tofty, Alaska. 1984. The Tofty mining district, near Manley Hot Springs in north-central Alaska, has been the scene of placer gold mining since 1906 and has produced more than 100,000 tr oz of gold and several hundred tons of byproduct tin, in the form of placer cassiterite. Although open -cut mining methods are currently employed, drift-mining methods were formerly utilized to mine the gold- and tin-bearing gravels. As part of the current Bureau of Mines Alaska -wide assessment of critical and strategic minerals, splits of concentrate samples collected in the 1950's from 11 tailings piles representative of the presently inactive Tofty drift mines were re-analyzed in 1983 for tantalum and columbium (niobium). Most of these concentrates... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Columbium, Gold, Tin, Tofty, Alaska OFR 49-87 - Juneau Gold Belt Area 1986 Update. Alaska. The Juneau Gold Belt portion of the Juneau Mining District has historically had the greatest mining and exploration activity within the district. Between 1880 and 1983, the mines within the Juneau Gold Belt produced 6.7 MM oz gold, 3.1 MM oz silver, and 45 MM lbs lead, which had a total value of about $157,000,000 at the time of production. This report summarizes Bureau of Mines work completed in 1986, the second year of the Juneau Mining District study. Fifty mines, prospects, and occurrences were examined and 638 samples were collected for analysis during 1986. Metallurgical samples were collected from seven deposits and preliminary tests of cyanide amenability have been completed for five of these.... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gold, Juneau Mining District, Alaska WMR 017 - Rambler Mine. Albany County, Wyoming. 1942. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Albany County, Wyoming, Copper, Gold, Palladium, Platinum, All tags... Silver, Fewer tags OFR 61-91 - Tables of Annual Production of Gold, Silver, Copper, Lead, & Zinc for the States of California, Idaho, Montana, Nevada, Oregon, Washington. 1991. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California (CA), Copper, Gold, Idaho (ID), Lead, All tags... Montana, Nevada, Oregon (OR), Silver, Washington (WA), Zinc, Fewer tags OFR 16-93 - Active or Significant Nevada Gold Properties. 1992. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gold, Nevada (NV) OFR 91-86 - History of the Juneau Gold Belt: 1869-1985. This report chronicles the exploration and mining development history of the Juneau Gold Belt from the discovery of the first placer gold in 1869 to the reevaluation of the economic potential of the Alaska Juneau Mine in 1985. Using an outline form, historical information is given year by year for most of the mines and prospects The report includes information about initial in the Gold Belt. discoveries, timing of mine exploration, construction of mills, mining problems and closures, and pertinent general history. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gold, Juneau Mining District, Alaska Legacy Geochemical Data from Hardcopy Records of Selected Past U.S. Geological Survey Projects This data release contains geochemical data from selected U.S. Geological Survey (USGS) projects from the 1960s-1980s that were previously unpublished as digital data. The objective of those projects was to describe the geology, determine petrologic and geochemical characteristics, or to evaluate the mineral resource potential of Federal Lands and adjacent study areas. These data comprise geochemical analyses from 36,498 samples--27,223 rock samples, 4,091 sediment samples, 2,351 soil samples, 330 heavy-mineral pan concentrate samples, 297 organic material samples, 58 mineral samples, 27 water samples, 11 miscellaneous samples, and 2,110 unspecified media samples. More than 78 percent of these samples were analyzed... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: "Geochemistry", "Mineral Resources"], Alaska, California, Colorado, All tags... GGGSC, Geology, Geophysics, and Geochemistry Science Center, Idaho, MRP, Mineral Resources Program, Missouri, Montana, NGDB, National Geochemical Database, Nevada, New Mexico, USGS Science Data Catalog (SDC), United States, Utah, Washington, West Virginia, Wisconsin, Wyoming, ["Economic Geology", alkali metal elements, alkaline earth elements, aluminum, antimony, arsenic, atomic absorption analysis, atomic emission spectroscopy, barium, beryllium, bismuth, boron, bromine, cadmium, calcium, cerium, chemical analysis, chlorine, chromium, cobalt, copper, dysprosium, economic geology, erbium, europium, exploration geochemistry, fluorine, gadolinium, gallium, geochemical data, geochemistry, geoscientificInformation, germanium, gold, hafnium, halogen elements, holmium, igneous rocks, indium, iodine, iridium, iron, lanthanide series elements, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, metal elements, metamorphic rocks, mineral deposits, mineral resources, molybdenum, neodymium, nickel, niobium, nonmetal elements, palladium, pan concentrate, phosphorus, platinum, platinum-group elements, plutonic rocks, potassium, praseodymium, rare earth elements, rhenium, rhodium, rock geochemistry, ruthenium, samarium, scandium, sediment geochemistry, sedimentary rocks, selenium, silicon, silver, sodium, stream sediment, strontium, sulfur, tantalum, tellurium, terbium, thallium, thorium, thulium, tin, titanium, tungsten, unconsolidated deposits, uranium, vanadium, volcanic rocks, x-ray fluorescence, ytterbium, yttrium, zinc, zirconium, Fewer tags WMR 084 - Belle Eldridge Gold Mines. Lawrence County, South Dakota. 1943. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Gold, Lawrence County, South Dakota, Lead, Silver, Zinc 1 2 »