Filters: Contacts: Freeman, L.K. (X) > partyWithName: Szumigala, D.J. (X)

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 Freeman, L.K. Werdon, M.B. Newberry, R.J. More... Tag Types Theme (15) Place (15) Tag Schemes None (8) Alaska Division of Geological & Geophysical Surveys (7) ISO 19115 Topic Category (15) 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, minor-oxide, trace-element, and geochemical data from rocks collected in 2010 in the Tolovana mining district, Livengood B-3 and B-4 quadrangles, Alaska Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys carried out a geological field survey, including mapping and sampling near Livengood in the Livengood B-3 and B-4 quadrangles, Alaska from June 10 to June 30, 2010. 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 2010, 130 rock samples were collected for geochemical trace-element analysis, and 20 rock samples were collected for whole rock (major- and minor-oxide) analysis. Petrogenetically important trace elements for additional rock samples will be analyzed and published... Tags: Alaska, State of, Brooks Creek, Cascaden Ridge, Cleary Creek, Eagle Creek, All tags... Elliot Highway, Ester Creek, Geochemistry, Livengood, Livengood Creek, Livengood Quadrangle, Major Oxides, McCord Creek, Minor Oxides, Olive Creek, Ranney Hollow, Shorty Creek, Slate Creek, Steel Creek, Tolovana Hot Springs, Tolovana Hot Springs Dome, Tolovana River, Trace Metals, Trans-Alaska Pipeline, West Fork Tolovana River, Wilber Creek, Winter Creek, geoscientificInformation, Fewer tags Zircon U-Pb age data, Alaska Highway Corridor, Tanacross and Nabesna quadrangles, Alaska Twenty-two igneous and metamorphic rock samples were collected in a 20-km-long swath centered on the Alaska Highway between Tetlin Junction, Alaska, and the Canada border. Igneous and metamorphic rock samples were submitted to the Apatite to Zircon, Inc. laboratory (A2Z), where zircon U-Pb age analysis, using laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS), was performed by Paul O'Sullivan. The 15 felsic plutonic rock samples and one gabbro sample yield Cretaceous zircon U-Pb weighted-mean ages ranging from 95.7 Ma to 106.2 Ma. Zircons from a metadiorite yield a Triassic weighted-mean age of about 241.9 Ma. Metamorphic zircons from two samples with felsic igneous protoliths yield Mississippian... Tags: Age Dates, Alaska Highway Corridor, Analyses and Sampling, Bedrock, Bedrock Geology, All tags... Detrital Zircon, Geochronology, Geology, Igneous Rocks, Isotopes, Metamorphic Rocks, Nabesna Quadrangle, Tanacross Quadrangle, U-Pb, 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 collected in the Alaska Highway corridor, Mount Hayes, Tanacross, and Nabesna quadrangles, Alaska, in 2006, 2008, 2009, and 2010 Geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) and the University of Alaska Fairbanks (UAF) carried out geologic field surveys, including bedrock mapping and sampling, in the Alaska Highway Corridor from 2006 through 2010. The fieldwork provides basic information critical to building an understanding of Alaska's geology and is part of a broader, integrated program that includes airborne geophysical surveys, bedrock and surficial mapping, a mineral-resource assessment, a geologic-hazards assessment, and other geological studies. This publication contains descriptive, location, and analytical information for samples collected in the Mount Hayes, Tanacross, and Nabesna quadrangles, Alaska,... Tags: Alaska Highway Corridor, Analyses, Analyses and Sampling, Analytical Lab Results, Analytical Results, All tags... Bedrock, Bedrock Geology, Geochemical Data, Geochemical Surveys, Geochemistry, Geology, Major Oxides, Sample Location, Trace Elements, Trace Geochemical, Trace Metals, 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 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 Geochemical trace-element and rare-earth element data from stream-sediment and pan-concentrate samples collected in 2011 in the Melozitna mining district, Tanana and Melozitna quadrangles, interior Alaska Mineral-resources personnel from the Alaska Division of Geological & Geophysical Surveys conducted reconnaissance stream-sediment and pan-concentrate sampling in the Melozitna Mining District, Tanana and Melozitna quadrangles, from July 25 to August 13, 2011. This helicopter-supported sampling project was part of a statewide assessment of Alaska's potential for rare-earth element (REE) mineralization, and was funded by the Rare Earth Elements and Strategic Minerals Assessment capital improvement project. During this field project, 32 stream sediment and 28 heavy-mineral pan concentrate samples were collected for geochemical analysis (geochemical trace elements and rare earth elements). An additional historic U.S.... Tags: Alaska, State of, Critical Minerals, Geochemistry, Gold, Melozitna Mining District, All tags... Melozitna Quadrangle, Rare Earth Elements, Strategic Minerals, Tanana Quadrangle, Trace Elements, 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