Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Tonsina area, Valdez Quadrangle, Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...

Tags: Alaska, State of, Analyses, Analyses and Sampling, Anchorage Quadrangle, Chemistry, All tags... Critical Minerals, Economic Geology, Economic Study, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Sediment, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Trace Elements, Trace Geochemical, Trace Metals, Valdez Quadrangle, geoscientificInformation, Fewer tags

Major-oxide and trace-element geochemical data from rocks collected in the Tanacross C-1, D-1, and D-2 quadrangles, Alaska in 2017

From June 12-21, 2017, the Alaska Division of Geological & Geophysical Surveys (DGGS) geologists carried out geologic mapping and geochemical sampling in the northeastern Tanacross D-1, and parts of the C-1, and D-2 quadrangles. The project area lies within the Yukon-Tanana Uplands, and encompasses the boundary between Fortymile and Lake George assemblages. It includes porphyry copper-molybdenum-gold deposits and prospects including: Taurus, Fishhook (also known as SW Pika), and Pika Canyon, and is adjacent to the Fortymile Mining District to the north. Highlights of this geochemical report include sampling and characterization of the Pika Canyon, Fishhook, and Taurus prospects. This dataset contains four samples...

Tags: Analyses, Analyses and Sampling, Analytical Lab Results, Analytical Results, Base Metals, All tags... Chemistry, Copper, Critical Minerals, Dewey Creek, Divide Mountain, Economic Geology, Economic Study, Exploration, Fishhook, Fortymile Mining District, Geochemical Data, Geochemical Surveys, Geochemistry, Geologic, Geology, Gold, Lab Methods, Lead, Liberty Creek, Major Oxides, Metals, Methods, Mineral Assessment, Mineral Deposit, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Mining, Minor Oxides, Non-Metals, Ore Deposit, Ores, Pika Canyon Prospect, Porphyry, Precious Metals, Prospecting Sites, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Silver, Stream Sediments, Tanacross Quadrangle, Taurus Prospect, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from tin occurrences associated with the Ohio Creek pluton, south-central Alaska

This report and digital data release presents 82 new rock geochemical analyses on historic U.S. Bureau of Mines (USBM) samples. These samples were originally collected by the USBM as part of their critical and strategic minerals project, which investigated tin occurrences associated with the Ohio Creek pluton, south-central Alaska. Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue in Alaska (MDIRA) program in the late 1990s and early 2000s. The text and analytical data and tables associated with this report are being released in digital format as PDF files...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines rock and heavy mineral concentrate samples for geochemical trace-element and rare-earth element data--Ray Mountains and Kanuti-Hodzana uplands area, Alaska

Re-analyses of sample pulps and bulk rejects from historic USBM rock and heavy-mineral-concentrate samples were conducted by the Alaska Division of Geological & Geophysical Surveys (DGGS) as part of the State of Alaska's Strategic and Critical Minerals Assessment project, which is designed to evaluate Alaska's potential for these resources. The objective of this resource assessment is to expand the state's geochemical database by obtaining and publishing modern, quantitative geochemical analyses for historic USBM samples, where available. Highlights of this re-analysis project include heavy mineral concentrates with up 7,220 ppm Sn, 5,870 ppm Cr, and 17,000 ppm Mn.

Tags: Aluminum, Antimony, Arsenic, Barium, Basalt, All tags... Base Metals, Beaver Quadrangle, Bedrock, Beryllium, Bettles Quadrangle, Bismuth, Bonanza Creek, Cadmium, Calcium, Caribou Mountain, Cerium, Cesium, Chlorite, Chromium, Coal Creek, Cobalt, Copper, Critical Minerals, Dall River, Dalton Highway, Dysprosium, Economic Geology, Erbium, Europium, Exploration, Felsic, Fish Creek, Fluorine, Fort Hamlin Hills, Gadolinium, Galena, Gallium, Geochemical Data, Geochemical Surveys, Geochemistry, Germanium, Gobblers Knob, Gold, Granite, Greisen, Hafnium, Heavy Metals, Holmium, Igneous Rocks, Iron, Ishtalitna Creek, Kanuti Hot Springs, Kanuti Kilolitna River, Kanuti River, Kilo Hot Springs, Koyukuk Mining District, Lanthanide Elements, Lanthanum, Livengood Quadrangle, Lode, Lower Ray Hot Springs, Lutetium, Magnesium, Manganese, McQuesten Creek, Metabasite, Metals, Metamorphic Rocks, Metasedimentary rocks, Metavolcanic rocks, Mineral Assessment, Mineral Deposit, Mineral Resources, Molybdenum, Monazite, Mount Henry Eakin, Mount Tozi, Neodymium, Nickel, Niobium, No Name Creek, Non-Metals, Palladium, Pan Concentrates, Phosphorus, Placer, Placer Gold, Platinum, Platinum Group Elements, Potassium, Praseodymium, Precious Metals, Promethium, Prospect Creek, Rare Earth Elements, Ray Mountains, Ray River, Ray River Hot Springs, Ree, Resource Assessment, Resources, Rubidium, Samarium, Scheelite, Schist, Selenium, Silica, Silver, Sithylemenkat Lake, Sodium, Sphalerite, Strategic Minerals, Stream Sediments, Strontium, Sulfides, Sulfur, Tanana Quadrangle, Tantalum, Thallium, Thorium, Tin, Titanium, Tokusatatquaten Lake, Torment Creek, Tourmaline, Trace Elements, Trace Geochemical, Trace Metals, Trans-Alaska Pipeline, Tungsten, Upper Ray Hot Springs, Uranium, Vanadium, Ytterbium, Zeunerite, Zinc, Zirconium, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Porcupine River drainage, northeastern Alaska

This report and digital data release presents 90 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 56 rock, 16 sediment, 5 soil, and 12 heavy mineral concentrate (pan concentrate) samples, as well as 1 sample of indeterminate type. Some of these samples were originally collected by the USBM as part of their mineral investigations in the Porcupine River drainage, northeastern Alaska, and a portion of the samples were collected as part of the National Uranium Resource Evaluation. Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the northeastern Alaska Range, Healy, Mount Hayes, Nabesna, and Tanacross quadrangles, Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...

Tags: Alaska, State of, Analyses, Analyses and Sampling, Anchorage Quadrangle, Chemistry, All tags... Critical Minerals, Economic Geology, Economic Study, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Healy Quadrangle, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Mount Hayes Quadrangle, Nabesna Quadrangle, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Sediment, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Tanacross Quadrangle, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Darby Mountains, Seward Peninsula, Alaska

This report and digital data release presents 209 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 90 rock, 9 stream sediment, 14 soil, and 96 heavy mineral concentrate (pan concentrate) samples. These samples were originally collected by the USBM as part of their search for radioactive mineral deposits in the northern Darby Mountains, eastern Seward Peninsula, Alaska Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue in Alaska (MDIRA) program in the late 1990s and early 2000s. The text and analytical data and tables associated...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the VABM Bend area, Charley River and Eagle quadrangles, east-central Alaska

This report and digital data release presents 12 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 6 rock, 4 stream sediment, and 2 heavy mineral concentrate (pan concentrate) samples. These samples were originally collected by the USBM to follow up reported tungsten anomalies in the VABM Bend area, Charley River and Eagle quadrangles, east-central Alaska. Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue in Alaska (MDIRA) program in the late 1990s and early 2000s. The text and analytical data and tables associated with this...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Haines area, Juneau and Skagway quadrangles, southeast Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...

Tags: Alaska, State of, Analyses, Analyses and Sampling, Anchorage Quadrangle, Chemistry, All tags... Critical Minerals, Economic Geology, Economic Study, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Juneau Quadrangle, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Sediment, Skagway Quadrangle, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Digital compilation of geochemical data for historical samples from occurrences of strategic and critical elements in Alaska: Part I - Rare-earth elements (REE)

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for strategic and critical mineral resources. The SCM Assessment project is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment project, thousands of geochemical-sample analyses and locations from historical U.S. Bureau of Mines (USBM), U.S. Geological Survey (USGS), Bureau of Land Management (BLM), DGGS, Alaska Territorial Department of Mines, Alaska Division of Mines and...

Tags: Alaska Statewide Quadrangle, Alaska, State of, Analyses, Analyses and Sampling, Analytical Lab Results, All tags... Analytical Results, Chemistry, Critical Minerals, Economic Geology, Economic Study, Exploration, Geochemical Data, Geochemical Surveys, Geochemistry, Geologic, Geology, Lab Methods, Major Oxides, Metals, Methods, Mineral Assessment, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Mining, Minor Oxides, Non-Metals, Ores, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Zane Hills, Hughes and Shungnak quadrangles, Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...

Tags: Alaska, State of, Analyses, Analyses and Sampling, Anchorage Quadrangle, Chemistry, All tags... Critical Minerals, Economic Geology, Economic Study, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Hughes Quadrangle, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Sediment, Shungnak Quadrangle, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Major-oxide, minor-oxide, and trace-element geochemical data from rocks in the Styx River area, Lime Hills C-1 Quadrangle, Lime Hills, McGrath, Talkeetna, and Tyonek quadrangles, Alaska

Geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) Mineral Resources Section conducted four weeks of helicopter-supported mapping and fieldwork from June 26 through July 24, 2013. The Styx River project in the Lime Hills C-1 Quadrangle was part of the State-funded Airborne Geophysical/Geological Mineral Inventory (AGGMI) program as part of the State's Strategic Minerals Assessment Project, an initiative designed to evaluate Alaska's potential for rare-earth elements, PGEs, and other similarly supply-challenged resources. The Styx River project area has active and ongoing mineral exploration for deposit types including porphyry copper/molybdenum/gold, reduced intrusion-related gold, and...

Tags: Alaska Range, Aluminum, Antimony, Arsenic, Barium, All tags... Basalt, Base Metals, Bedrock, Beryllium, Bismuth, Cadmium, Calcium, Cerium, Cesium, Chalcopyrite, Chlorite, Chromium, Cobalt, Copper, Critical Minerals, Dysprosium, Economic Geology, Erbium, Europium, Exploration, Felsic, Fluorine, Gadolinium, Galena, Gallium, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Germanium, Gold, Granite, Greisen, Hafnium, Heavy Metals, Holmium, Hornfels, Igneous Rocks, Iron, Lime Hills Quadrangle, Lode, Lutetium, Magnesium, Major Oxides, Manganese, McGrath Quadrangle, Metals, Mineral Assessment, Mineral Deposit, Mineral Localities, Mineral Resources, Minor Oxides, Molybdenum, Neodymium, Nickel, Niobium, Non-Metals, Palladium, Phosphorus, Platinum, Platinum Group Elements, Plutons, Potassium, Precious Metals, Promethium, Rubidium, Selenium, Silica, Silver, Sodium, Sphalerite, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Strontium, Sulfides, Sulfur, Talkeetna Quadrangle, Tantalum, Thallium, Thorium, Tin, Titanium, Tourmaline, Trace Elements, Trace Metals, Tungsten, Tyonek Quadrangle, Uranium, Vanadium, Volcanic, Zinc, Zirconium, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Zane Hills pluton, northwestern Alaska

This report and digital data release presents 40 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 33 rock and 7 heavy mineral concentrate (pan concentrate) samples. These samples were originally collected by the USBM as part of their critical and strategic minerals project, which investigated the rare-earth-element and uranium mineral potential of the Zane Hills area, northwestern Alaska. Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue in Alaska (MDIRA) program in the late 1990s and early 2000s. The text and analytical...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Ray River watershed, and Kanuti and Hodzana rivers uplands, central Alaska

This report and digital data release presents 131 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 86 rock and 42 heavy mineral concentrate (pan concentrate) samples, as well as 3 samples of indeterminate type. Some of these samples were originally collected by the USBM from the Ray River watershed, and the Kanuti and Hodzana Rivers uplands, central Alaska, and a portion of the samples were collected as part of the National Uranium Resource Evaluation. Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue in Alaska (MDIRA) program...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Digital compilation of geochemical data for historical samples from occurrences of strategic and critical elements in Alaska: Part II - Platinum group elements (PGE)

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for strategic and critical mineral resources. The SCM Assessment project is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment project, thousands of geochemical-sample analyses and locations from historical U.S. Bureau of Mines (USBM), U.S. Geological Survey (USGS), Bureau of Land Management (BLM), DGGS, Alaska Territorial Department of Mines, Alaska Division of Mines and...

Tags: Alaska Statewide Quadrangle, Alaska, State of, Analyses, Analyses and Sampling, Analytical Lab Results, All tags... Analytical Results, Base Metals, Chemistry, Critical Minerals, Economic Geology, Economic Study, Exploration, Geochemical Data, Geochemical Surveys, Geochemistry, Geologic, Geology, Lab Methods, Major Oxides, Metals, Methods, Mineral Assessment, Mineral Deposit, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Mining, Minor Oxides, Non-Metals, Ore Deposit, Ores, Palladium, Platinum, Platinum Group Elements, Precious Metals, Prospecting Sites, Resource Assessment, Resource Information, Resources, Sample Location, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Major-oxide and trace-element geochemical data from rocks collected in the Richardson mining district, Big Delta Quadrangle, Alaska

During the 2017 field season, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling of part of the Richardson Mining District southeast of Fairbanks, including parts of the Big Delta B-4, B-5, and C-5 quadrangles. The project area is about 30 miles west of the Pogo gold mine and covers the currently active Montecristo and Uncle Sam gold-exploration properties. The goal of DGGS's work in this area is to conduct a mineral-resource assessment and to build an improved understanding of the area's geology and controls on gold mineralization to facilitate industry exploration targeting. This report is based on 17 days of fieldwork completed June 23-July 3,...

Tags: Analyses, Analyses and Sampling, Analytical Lab Results, Analytical Results, Base Metals, All tags... Big Delta Quadrangle, Chemistry, Critical Minerals, Economic Geology, Economic Study, Exploration, Geochemical Data, Geochemical Surveys, Geochemistry, Geologic, Geology, Lab Methods, Major Oxides, McCoy Creek, Metals, Methods, Mineral Assessment, Mineral Deposit, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Mining, Minor Oxides, Minton Creek, Monte Cristo Creek, Non-Metals, Ore Deposit, Ores, Precious Metals, Prospecting Sites, Resource Assessment, Resource Information, Resources, Richardson Mining District, Sample Location, Stream Sediments, Trace Elements, Trace Geochemical, Trace Metals, Uncle Sam prospect, geoscientificInformation, Fewer tags

Geochemical major-oxide, minor-oxide, trace-element, and rare-earth-element data from rocks and streams sediments collected in 2012 in the Ray Mountains area, Beaver, Bettles, Livengood, and Tanana quadrangles, Alaska

Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a helicopter-supported geological and geochemical resource assessment project in the Beaver, Bettles, Livengood, and Tanana quadrangles from June 23 through August 5, 2012. The objectives of DGGS's resource assessment are to improve the trace-element geochemical coverage of selected watersheds; to obtain modern, quantitative geochemical analyses; to understand the petrogenesis of the granites; and to better document established mineral occurrences. Stream-sediment, pan-concentrate, and rock sampling were conducted as part of the State's Rare Earth Elements and Strategic Minerals Assessment project, which is...

Tags: Aluminum, Antimony, Arsenic, Augen Gneiss, Barium, All tags... Basalt, Base Metals, Batholith, Beaver Quadrangle, Bedrock, Beryllium, Bettles Quadrangle, Bismuth, Bonanza Creek, Cadmium, Calcium, Caribou Mountain, Cerium, Cesium, Chalcopyrite, Chlorite, Chromium, Coal Creek, Cobalt, Copper, Critical Minerals, Dall River, Dalton Highway, Dysprosium, Economic Geology, Erbium, Europium, Exploration, Felsic, Fish Creek, Fleshlanana Creek, Fluorine, Fort Hamlin Hills, Gadolinium, Galena, Gallium, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Germanium, Gishna Creek, Gneiss, Gobblers Knob, Gold, Granite, Greisen, Hafnium, Halu Creek, Heavy Metals, Holmium, Hornfels, Igneous Rocks, Iron, Ishtalitna Creek, Kanuti Hot Springs, Kanuti Kilolitna River, Kanuti River, Kilo Hot Springs, Koyuk Mining District, Lanthanide Elements, Lanthanum, Livengood Quadrangle, Lode, Lower Ray Hot Springs, Lutetium, Magnesium, Major Oxides, Manganese, McQuesten Creek, Metabasite, Metals, Metamorphic Rocks, Metasedimentary rocks, Metavolcanic rocks, Mineral Assessment, Mineral Deposit, Mineral Localities, Mineral Resources, Minor Oxides, Molybdenum, Monazite, Mount Henry Eakin, Mount Tozi, Neodymium, Nickel, Niobium, No Name Creek, Non-Metals, Palladium, Pan Concentrates, Phosphorus, Placer, Placer Gold, Platinum, Platinum Group Elements, Potassium, Praseodymium, Precious Metals, Promethium, Prospect Creek, Rare Earth Elements, Ray Mountains, Ray River, Ray River Hot Springs, Ree, Resource Assessment, Resources, Rhyolite, Rubidium, Samarium, Scheelite, Schist, Selenium, Silica, Silver, Sithylemenkat Lake, Sodium, Soil Chemistry, Soil Sampling, Sphalerite, Strategic Minerals, Stream Sediments, Strontium, Sulfides, Sulfur, Tanana Quadrangle, Tantalum, Thallium, Thorium, Tin, Titanium, Tokusatatquaten Lake, Torment Creek, Tourmaline, Trace Elements, Trace Geochemical, Trace Metals, Trans-Alaska Pipeline, Tungsten, Upper Ray Hot Springs, Uranium, Vanadium, Volcaniclastics, Ytterbium, Zeunerite, Zinc, Zirconium, geoscientificInformation, Fewer tags

Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Selawik Hills, northwestern Alaska

This report and digital data release presents 326 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 106 rock, 164 stream sediment, and 56 heavy mineral concentrate (pan concentrate) samples. These samples were originally collected by the USBM as part of a mineral-reconnaissance project in the Selawik Hills area of northwestern Alaska. Historic USBM sample materials were retrieved by DGGS from the DGGS Geologic Materials Center (GMC), where the USBM samples were transferred as part of the federally funded Minerals Data and Information Rescue in Alaska (MDIRA) program in the late 1990s and early 2000s. The text and analytical data and tables associated with this report are being released...

Tags: Analyses and Sampling, Base Metals, Critical Minerals, Economic Geology, Economic Study, All tags... Exploration, Geochemical Surveys, Geochemistry, Geology, Heavy Metals, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Kougarok area, Bendeleben and Teller quadrangles, Seward Peninsula, Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...

Tags: Alaska, State of, Analyses, Analyses and Sampling, Anchorage Quadrangle, Bendeleben Quadrangle, All tags... Chemistry, Critical Minerals, Economic Geology, Economic Study, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Sediment, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Teller Quadrangle, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags

Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Inmachuk, Kugruk, Kiwalik, and Koyuk River drainages, Granite Mountain, and the northern Darby Mountains, Bendeleben, Candle, Kotzebue, and Solomon quadrangles, Alaska

The State of Alaska's Strategic and Critical Minerals (SCM) Assessment project, a State-funded Capital Improvement Project (CIP), is designed to evaluate Alaska's statewide potential for SCM resources. The SCM Assessment is being implemented by the Alaska Division of Geological & Geophysical Surveys (DGGS), and involves obtaining new airborne-geophysical, geological, and geochemical data. For the geochemical part of the SCM Assessment, thousands of historical geochemical samples from DGGS, U.S. Geological Survey (USGS), and U.S. Bureau of Mines archives are being reanalyzed by DGGS using modern, quantitative, geochemical-analytical methods. The objective is to update the statewide geochemical database to more clearly...

Tags: Alaska, State of, Analyses, Analyses and Sampling, Anchorage Quadrangle, Bendeleben Quadrangle, All tags... Candle Quadrangle, Chemistry, Critical Minerals, Economic Geology, Economic Study, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Kotzebue Quadrangle, Mineral Assessment, Mineral Deposit, Mineral Development, Mineral Localities, Mineral Prospect, Mineral Resources, Minerals, Non-Metals, Platinum Group Elements, Precious Metals, Rare Earth Elements, Ree, Resource Assessment, Resource Information, Resources, Sample Location, Sediment, Solomon Quadrangle, Strategic Minerals, Strategic and Critical Minerals Assessment Project, Stream Sediments, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags