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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Alaska Division of Geological & Geophysical Surveys State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys Newberry, R.J. Szumigala, D.J. Werdon, M.B. More... Tag Types Theme (16) Place (16) Tag Schemes Alaska Division of Geological & Geophysical Surveys (7) None (9) ISO 19115 Topic Category (16) View Results as: JSON ATOM CSV

Major-oxide, minor-oxide, and trace-element geochemical data from rocks collected in the Chistochina mining district, Mount Hayes Quadrangle, Alaska, in 2005-2009 Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a geological field survey, including mapping and sampling in the Chistochina mining district in the Mount Hayes A-2 and A-3 quadrangles, Alaska, from June 30 to July 15, 2009. The fieldwork provides basic information critical to building an understanding of Alaska's geology and is part of an integrated program of airborne geophysical surveys followed by geological mapping. During 2009, 57 rock samples were collected for geochemical trace-element analysis, 107 rock samples were collected for whole rock (major- and minor-oxide and petrogenetically important trace elements) analyses, and 2 samples were collected... Tags: Alaska Range, Alaska, State of, Chisna, Chistochina Mining District, Geochemical Data, All tags... Geochemistry, Major Oxides, Minor Oxides, Mount Hayes Quadrangle, Platinum Group Elements, STATEMAP Project, Slate Creek (Mount Hayes), Slate Creek Prospect, Trace Elements, Trace Metals, geoscientificInformation, Fewer tags Major-oxide and trace-element geochemical data from rocks collected in 2010 in the Tyonek Quadrangle, Alaska Cook Inlet has been recognized as the second-largest petroleum province in Alaska, second only to the North Slope. The south-central Tyonek Quadrangle is an area of significant geologic interest because it is the only location in Cook Inlet where the entire producing stratigraphy of the basin is exposed on the surface. Additionally, this area encompasses the structural boundary between the forearc basin and its sediment source rocks. To better understand the petroleum system and the geologic relationships between the exhumed arc intrusive rocks and adjacent Cenozoic stratigraphy of the Cook Inlet forearc basin, during the summer of 2010 the Alaska Division of Geological & Geophysical Surveys conducted a federally-funded... Tags: Alaska Range, Analyses, Analyses and Sampling, Analytical Lab Results, Analytical Results, All tags... Bedrock, Bedrock Geology, Chemistry, Cook Inlet, Cook Inlet Basin, Exploration, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Igneous, Igneous Rocks, Lab Methods, Magmatic Arc, Major Oxides, Minor Oxides, Neacola Mountains, Petrology, Resources, Rocks, STATEMAP Project, Sample Location, Tordrillo Mountains, Trace Elements, Trace Geochemical, Tyonek, Tyonek Quadrangle, Volcanic, Volcanic Arc, Volcanic Rocks, geoscientificInformation, Fewer tags Preliminary bedrock geologic map data for the eastern Bonnifield mining district, Fairbanks and Healy quadrangles, Alaska Mineral Resources Section personnel from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a geologic field survey, including mapping and sampling, in the eastern part of the Bonnifield mining district in the Fairbanks A-1 and A-2 and the Healy D-1 and D-2 quadrangles, Alaska, from June 16 through July 18, 2008. The fieldwork provides basic information critical to building an understanding of Alaska's geology and is part of an integrated program of airborne geophysical surveys followed by geologic mapping. Specifically, this work provides geologic context for geophysical surveys conducted in 2006. Interpretation and synthesis of this data has been presented in professional and trade meetings.... Tags: Alaska Range, Bedrock, Chute Creek, Dry Creek, Dry Creek prospect, All tags... Fairbanks Quadrangle, Geologic, Geology, Glory Creek, Glory Creek prospect, Healy Quadrangle, Igneous, Igneous Rocks, Kansas Creek, Minerals, Red Mountain Creek, Rocks, Rogers Creek, STATEMAP Project, Sedimentary Rocks, Sheep Creek, Slide Creek, Snow Mountain Gulch, WTF (Western Tundra Flats) prospect, Wood River, geoscientificInformation, Fewer tags Major-oxide, minor-oxide, and trace-element geochemical data from rocks and stream sediments collected in the northern Fairbanks mining district, Circle quadrangle, Alaska in 2007 Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling northeast of Fairbanks in the Circle A-4, A-5, B-4, and B-5 quadrangles, Alaska from May 31 to June 28, 2007. The fieldwork provides basic information critical to building an understanding of Alaska geology and is part of an integrated program of airborne geophysical surveys followed by geological mapping. During 2007, 128 rock samples were collected for geochemical trace-element analysis, and 44 rock samples were collected for whole rock (major- and minor-oxide) analysis. Petrogenetically important trace-elements will be analyzed in a subsequent study to... Tags: Alaska, State of, Chatanika River, Circle Quadrangle, Crooked Creek, Deep Creek, All tags... Fairbanks North Star Borough, Faith Creek, Frozenfoot Creek, Geochemistry, Glacier Pup, Harrington Fork Birch Creek, Hope Creek, Idaho Creek, Major Oxides, McManus Creek, Montana Creek, Polar Creek, Pool Creek, Ruby Creek, Ryan, Mount, STATEMAP Project, Smith Creek, Sourdough Camp, Sourdough Creek, Steese Highway, Stream Sediments, Tough Luck Creek, Trace Metals, geoscientificInformation, Fewer tags Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska This data file presents 40Ar/39Ar step-heating geochronology results for a granite sample from the Livengood mining district. The Livengood area is a historically productive placer mining area approximately 80 road miles north of Fairbanks, Alaska. This data is a component of a geologic map and accompanying report that synthesizes recently collected and previously published agency and industry geologic data in a 1:50,000-scale comprehensive geologic map to build a better understanding of the geology and mineral-resource potential of the Livengood area. Tags: 40Ar/39Ar, Airborne Geophysical/Geological Mineral Inventory, Bedrock, Bedrock Geology, Cascaden Ridge, All tags... Copper, Eolian, Fossils, Geochemistry, Geochronology, Geologic Map, Gold, Igneous Rocks, Livengood, Livengood Bench, Livengood Quadrangle, Man-Made Deposits, Metamorphic Rocks, Money Knob, Plutonic Rocks, Ranney Hollow, STATEMAP Project, Sedimentary Rocks, Shorty Creek, Silver, Surficial Geology, Tailings, Tolovana Mining District, Tolovana River, geoscientificInformation, Fewer tags Major-Oxide, Minor-Oxide, Trace-Element, and Geochemical Data from Rocks Collected in the Alaska Highway Corridor, Big Delta and Mount Hayes Quadrangles, Alaska in 2006 and 2007 Alaska Division of Geological & Geophysical Surveys (DGGS) personnel collected rock samples while mapping the bedrock geology along a 12-mile-wide swath following the Alaska Highway between Delta Junction and the eastern edge of the Mount Hayes quadrangle near Dot Lake, Alaska. This mapping is one component of the multi-year DGGS project studying the geology, geohazards and resources along the proposed gas pipeline corridor from Delta Junction to the Canadian border. In 2006, we collected 10 samples for whole rock (major- and minor-oxides, and petrogenetically important trace-elements) analysis. In 2007, we collected 111 samples for whole rock analysis and 36 rock samples for geochemical trace-element analysis.... Tags: Alaska Highway Corridor, Geochemical Data, Geochemistry, Gold, Lake George, All tags... Major Oxides, Mount Hayes Quadrangle, STATEMAP Project, Tanana River, Trace Elements, Trace Geochemical, Trace Metals, geoscientificInformation, Fewer tags Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska The Alaska Division of Geological & Geophysical Surveys (DGGS), in partnership with the U.S. National Cooperative Geologic Mapping Program, mapped approximately 450 mi2 of the Talkeetna Mountains region of central Alaska at 1:50,000 scale over the course of six weeks in 2014. This area contains significant exposures of Late Triassic mafic volcanics and gabbro sills that have been the focus of region-wide exploration for the Strategic and Critical platinum-group elements (PGEs). The area also exposes numerous inactive and possibly active faults which project through the area of proposed hydropower development. The resulting geologic map offers an improved understanding of the geology, structural history, and mineral... Tags: 40Ar/39Ar, Aerial Geology, Aerial Photography, Alluvial, Alluvial Deposits, All tags... Amphibolite Facies Units, Bedrock Geologic Map, Bedrock Geology, Brachiopods, Cleary Creek, Colluvial Deposits, Cordilleran Ice Sheet, Crinoids, Esker, Faulting, Faults, Floodplain, Fluvial, Fossils, Geochronology, Geologic Map, Geologic Materials, Geomorphology, Glacial, Glacial Deposits, Glacial Drift, Glacial Geology, Glacial Geomorphology, Glacial History, Glacial Lake, Glacial Processes, Glacial Stratigraphy, Glaciation, Ice Contact Deposits, Ice-Contact, Iron Creek, Lacustrine, Lacustrine Sedimentation, Landslide, Landslide Deposit, Outwash, Outwash Fan, Paleochannel, Permafrost and Periglacial, Remote Sensing, Rock Glaciers, Rock-Glacier Deposits, Rockfall, STATEMAP Project, Sand and Gravel, Slides, Slope Instability, Soil Creep, Stephan Lake, Surficial, Surficial Geologic Map, Surficial Geology, Talkeetna Mountains, Talkeetna Mountains Quadrangle, Talkeetna River, Till, geoscientificInformation, Fewer tags Geochemical, major-oxide, minor-oxide, trace-element and carbon data from rocks collected in 2011 in the Moran area, Tanana and Melozitna Quadrangles, Alaska Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geologic field survey, including mapping and sampling in the Moran area in the Tanana A-6 and B-6 quadrangles, and the Melozitna A-1, A2, B-1, and B-2 quadrangles, Alaska from June 17 to August 15, 2011. The fieldwork provides basic information critical to building an understanding of Alaska geology and is part of an integrated program of airborne geophysical surveys followed by geologic mapping. During 2011, 212 rock samples were collected for geochemical trace-element analysis, 58 rock samples were collected for whole-rock (major- and minor-oxide and petrogenetically important trace elements tables) analyses,... Tags: Alaska, State of, Geochemical Data, Geochemistry, Gold, Grant Creek, All tags... Kokrines Hills, Little Melozitna Hot Springs, Major Oxides, Melozitna Mining District, Melozitna Quadrangle, Minor Oxides, Moran Creek, Moran Dome, Platinum Group Elements, STATEMAP Project, Tanana Quadrangle, Trace Elements, Trace Geochemical, Trace Metals, Yukon River, geoscientificInformation, Fewer tags Geologic map of portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles, Tolovana mining district, Alaska This geologic map and report depicts portions of the Livengood B-3, B-4, C-3, and C-4 quadrangles. The Livengood area is a historically productive placer mining area approximately 80 road miles north of Fairbanks, Alaska. This report synthesizes recently collected and previously published agency and industry geologic data in a 1:50,000-scale comprehensive geologic map to build a better understanding of the geology and mineral-resource potential of the Livengood area. It expands and updates the Alaska Division of Geological & Geophysical Surveys (DGGS) Preliminary Interpretive Report (PIR) 2004-3 with the addition of new DGGS mapping and drillhole data from ITH, and integrates previously published DGGS surficial... Tags: 40Ar/39Ar, Airborne Geophysical/Geological Mineral Inventory, Bedrock, Bedrock Geology, Cascaden Ridge, All tags... Copper, Eolian, Fossils, Geochemistry, Geochronology, Geologic Map, Gold, Igneous Rocks, Livengood, Livengood Bench, Livengood Quadrangle, Man-Made Deposits, Metamorphic Rocks, Money Knob, Plutonic Rocks, Ranney Hollow, STATEMAP Project, Sedimentary Rocks, Shorty Creek, Silver, Surficial Geology, Tailings, Tolovana Mining District, Tolovana River, geoscientificInformation, Fewer tags 40AR/39AR Ages from the East Bonnifield geologic map area, Fairbanks A-1, Fairbanks A-2, Healy D-1, and Healy D-2 quadrangles, Alaska 40Ar/39Ar data from plutonic, dike, and alteration samples collected during geologic mapping of the eastern part of the Bonnifield mining district geologic map area in parts of Fairbanks A-1 and Fairbanks A-2 and Healy D-1 and Healy D-2 quadrangles yield results indicating the plutons, dikes, and a gold-bearing quartz vein in the Bonnifield Map area range from 85 to 95 m.y. Tags: 40Ar/39Ar, Age Dates, Alaska Range, Alaska, State of, Buzby prospect, All tags... Chute Creek, Denali Borough, Dry Creek, Dry Creek placer mine, Dry Creek prospect, Fairbanks Quadrangle, Forgotten Creek, Geochronology, Geology, Glacier Creek, Glory Creek, Glory Creek prospect, Healy Quadrangle, Kansas Creek, Kansas Creek prospect, LEA Creek prospect, Newman Creek, Newman Creek placer mine, Red Mountain Creek, Red Mountain Creek prospect, Rogers Creek, STATEMAP Project, Sheep Creek, Slate Creek, Slide Creek, Smog prospect, Snow Mountain Gulch, Threemile Creek, WTF (Western Tundra Flats) prospect, West Fork Little Delta River, Wood River, geoscientificInformation, Fewer tags Geochemical, major-oxide, minor-oxide, trace-element and carbon data from rocks collected in 2008 in the eastern Bonnifield mining district, Fairbanks and Healy quadrangles, Alaska Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling in the eastern part of the Bonnifield mining district in the Fairbanks A-1, A-2, Healy D-1 and D-2 quadrangles, Alaska from June 16 to July 18, 2008. The fieldwork provides basic information critical to building an understanding of Alaska geology and is part of an integrated program of airborne geophysical surveys followed by geological mapping. During 2008, 242 rock samples were collected for geochemical trace-element analysis, 106 rock samples were collected for whole rock (major- and minor-oxide and petrogenetically important trace element) analyses, and... Tags: Alaska Range, Alaska, State of, Buzby prospect, Chute Creek, Denali Borough, All tags... Dry Creek, Dry Creek placer mine, Dry Creek prospect, Fairbanks Quadrangle, Forgotten Creek, Geochemistry, Glacier Creek, Glory Creek, Glory Creek prospect, Healy Quadrangle, Kansas Creek, Kansas Creek prospect, LEA Creek prospect, Major Oxides, Newman Creek, Newman Creek placer mine, Red Mountain Creek, Red Mountain Creek prospect, Rogers Creek, STATEMAP Project, Sheep Creek, Slate Creek, Slide Creek, Smog prospect, Snow Mountain Gulch, Stream Sediments, Threemile Creek, Trace Metals, WTF (Western Tundra Flats) prospect, West Fork Little Delta River, Wood River, geoscientificInformation, Fewer tags Geochemical, major-oxide, minor-oxide, trace-element, carbon, and rare-earth-element data from rocks collected in 2011 in the Moran area, Tanana and Melozitna Quadrangles, Alaska Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geologic field survey, including mapping and sampling in the Moran area in the Tanana A-6 and B-6 quadrangles, and the Melozitna A-1, A-2, B-1, and B-2 quadrangles, Alaska, from June 17 to August 15, 2011. The fieldwork provides basic information critical to building an understanding of Alaska’s geology and is part of an integrated program of airborne geophysical surveys followed by geologic mapping. During 2011, 212 rock samples were collected for geochemical trace-element analysis (tables 1–3), 58 rock samples were collected for whole-rock (major- and minor-oxide and petrogenetically important trace elements)... Tags: Alaska, State of, Geochemical Data, Geochemistry, Gold, Grant Creek, All tags... Kokrines Hills, Little Melozitna Hot Springs, Major Oxides, Melozitna Mining District, Melozitna Quadrangle, Minor Oxides, Moran Creek, Moran Dome, Platinum Group Elements, STATEMAP Project, Tanana Quadrangle, Trace Elements, Trace Geochemical, Trace Metals, Yukon River, geoscientificInformation, Fewer tags Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska Report of Investigation 2006-2, "Bedrock geologic map of the Liberty Bell area, Fairbanks A-4 Quadrangle, Bonnifield mining district, Alaska," is the bedrock geologic map of an approximately 131-square-mile area surrounding the Liberty Bell Mine. The geology of the Liberty Bell area, located in the northern Alaska Range foothills, comprises Devonian metasedimentary and meta-igneous rocks of the Totatlanika Schist and Keevy Peak formations, Cretaceous and Tertiary igneous rocks, and overlying unconsolidated Tertiary sedimentary rocks of the Usibelli Group and the younger Nenana Gravel. Tags: 40Ar/39Ar, Alaska, State of, Bedrock Geologic Map, Bonnifield Mining District, Coal, All tags... Fairbanks Quadrangle, Geochemical Data, Geochronology, Geology, Igneous Rocks, Jumbo Dome, Liberty Bell Mine, Metamorphic Rocks, Palynology, Petrography, STATEMAP Project, Sedimentary Rocks, Volcanic Rocks, geoscientificInformation, Fewer tags Major-oxide, minor-oxide, trace-element, geochemical, and non-carbonate carbon data from rocks collected in the Solomon and Nome Quadrangles, Seward Peninsula, Alaska in 2006 The rock samples in this publication were collected in 2006 during geologic field mapping within the Council airborne geophysical survey tract. The analyses were acquired to aid interpretation and development of the geologic map and evaluation of the area's mineral potential. To further geologic understanding of the area, igneous and metamorphic rock samples were selected for whole-rock geochemical analysis. Unweathered or minimally weathered rock samples were preferentially selected for analysis. Non-carbonate carbon analyses were obtained to determine the percentage of graphite in metasedimentary rocks. To help evaluate the area's mineral resource potential, rock samples were selected for geochemical analysis;... Tags: Alaska, State of, Bluff, Casadepaga River, Council, Council Mining District, All tags... Geochemistry, Major Oxides, Nome Quadrangle, STATEMAP Project, Seward Peninsula, Solomon Quadrangle, Trace Metals, geoscientificInformation, Fewer tags Major-oxide, minor-oxide, and trace-element geochemical data from rocks collected in 2008 in the eastern Bonnifield mining district, Fairbanks and Healy quadrangles, Alaska Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling, in the eastern part of the Bonnifield mining district in the Fairbanks A-1 and A-2, and the Healy D-1 and D-2 quadrangles, Alaska, from June 16 through July 18, 2008. The fieldwork provides basic information critical to building an understanding of Alaska's geology and is part of an integrated program of airborne geophysical surveys followed by geological mapping. Specifically, this work provides geologic context for geophysical surveys conducted in 2006. To represent a typical lithology, igneous or possible meta-igneous samples were collected and analyzed... Tags: Alaska Range, Analyses, Analyses and Sampling, Analytical Lab Results, Analytical Results, All tags... Bedrock, Bedrock Geology, Chemistry, Chute Creek, Dry Creek, Fairbanks Quadrangle, Geochemical Data, Geochemical Surveys, Geochemistry, Geologic, Geology, Healy Quadrangle, Igneous, Igneous Rocks, Kansas Creek, Lab Methods, Metamorphic Rocks, Methods, Mineral Assessment, Mineralogy, Minerals, Red Mountain Creek, Resource Assessment, Resource Information, Resources, Rocks, Rogers Creek, STATEMAP Project, Sample Location, Sheep Creek, geoscientificInformation, Fewer tags Major-oxide and trace-element geochemical data from rocks collected in 2014 in the Wrangellia mineral assessment area, Talkeetna Mountains C-4, C-3, and B-4 quadrangles, Alaska The mineral-resources group from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a geologic mapping project in the Talkeetna Mountains C-4, C-3, and B-4 quadrangles from July 23 through August 3, 2014. This project is a part of a multi-year project focusing on improving the publicly-available geological and geochemical data and assessing the mineral potential of the less-explored extension of the western Wrangellia terrane. This program of geologic mapping and rock sampling was conducted as part of the U.S. Geological Survey National Cooperative Geologic Mapping Program and the state of Alaska's Strategic Minerals Assessment project, an initiative designed to evaluate Alaska's potential... Tags: Copper, Geochemical Data, Geochemical Surveys, Gold, Greenstone, All tags... Iron Creek, Major Oxides, Mineral Assessment, Platinum Group Elements, Rare Earth Elements, STATEMAP Project, Silver, Stephan Lake, Strategic and Critical Minerals Assessment Project, Talkeetna Mountains, Talkeetna Mountains Quadrangle, Talkeetna River, Trace Elements, Tsisi Creek, geoscientificInformation, Fewer tags