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This dataset contains geochemical data for unconsolidated sediments (stream sediments, lake sediments, etc.) collected by U.S. Geological Survey (USGS) personnel and analyzed in the analytical laboratories of the Geologic Division of the USGS. These data represent analyses of sediment samples collected in support of various USGS programs. The data were originally entered into the in-house Rock Analysis Storage System (RASS) database which was used by the Geologic Division from the early-1970's through the late-1980's to archive geochemical data. An unpublished CD-ROM was developed in 1996 that contains the RASS data in GSSEARCH format. That CD was used to generate this data set.
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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...
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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...
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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...
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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...
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Mineral-resources geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) carried out a helicopter-supported geological and geochemical resource assessment project in the Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles from July 29 through August 16, 2013. The objectives of this assessment were to improve the publicly-available geological, geophysical, and geochemical data in the area of known occurrences in the Mount Hayes Quadrangle, and to extend this coverage and any gained insight westward into the less-explored extension of the Wrangellia terrane. This program of stream-sediment, pan-concentrate, and rock sampling was conducted as part of the State's Strategic Minerals...
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The Geologic Map Index of Alaska (Map Index) is an online, interactive web mapping application that provides access to an actively growing geographic index of geology-related maps of Alaska and adjacent areas. This online research tool provides the locations and outlines of most DGGS and U.S. Geological Survey (USGS) geologic and geophysical maps of Alaska in a single, interactive web map. It allows searches of the map database by geographic area of interest, keywords, themes, publishing agency, dates, and other criteria. The search results provide links to DGGS's comprehensive, multi-agency publications database, where users may view and download publications for free. No other geographic index of Alaska geologic...
Surface grab mineral for geochemistry from Scrub Oaks Mine, Highlands Physiographic Province in Morris County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Franklin mining district, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Sterling Hill Mine, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Sterling Hill Mine, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Sterling Hill Mine, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data
Surface grab mineral for geochemistry from Sterling Hill Mine, Highlands Physiographic Province in Sussex County
Categories: Physical Item; Tags: Geochemical Data


map background search result map search result map Geochemical mineral sample 01HD0496.1 Geochemical mineral sample 01HD0494.1 Geochemical mineral sample 01HD0482.0 Geochemical mineral sample 01HD0479.0 Geochemical mineral sample 01HD0333.0 Geochemical mineral sample 01HD0343.0 Geochemical mineral sample 01HD0347.0 Geochemical mineral sample 01HD0351.0 Geochemical mineral sample 01HD0359.0 Geochemical mineral sample 01HD0383.0 Geochemical mineral sample 01HD0389.0 Geochemical mineral sample 01HD0431.0 Geochemistry of unconsolidated sediments in the US from the RASS database for Wyoming Geologic Map Index of Alaska Data tables related to geology and gold mineralization in the Richardson district, east-central Alaska Major-oxide, minor-oxide, and trace-element geochemical data from rocks collected in the Chistochina mining district, Mount Hayes Quadrangle, Alaska, in 2005-2009 Major-oxide, minor-oxide, and trace-element geochemical data from rocks and stream sediments in the Wrangellia mineral assessment area, Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles, Alaska Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Tonsina area, Valdez Quadrangle, Alaska Major-oxide and trace-element geochemical data from rocks collected in 2010 in the Tyonek Quadrangle, Alaska Major-oxide and trace-element geochemical data from rocks collected in the Tanacross C-1, D-1, and D-2 quadrangles, Alaska in 2017 Major-oxide, minor-oxide, and trace-element geochemical data from rocks collected in the Chistochina mining district, Mount Hayes Quadrangle, Alaska, in 2005-2009 Major-oxide and trace-element geochemical data from rocks collected in 2010 in the Tyonek Quadrangle, Alaska Geochemical reanalysis of historical U.S. Geological Survey sediment samples from the Tonsina area, Valdez Quadrangle, Alaska Major-oxide, minor-oxide, and trace-element geochemical data from rocks and stream sediments in the Wrangellia mineral assessment area, Gulkana, Healy, Mount Hayes, and Talkeetna Mountains quadrangles, Alaska Geochemistry of unconsolidated sediments in the US from the RASS database for Wyoming Geologic Map Index of Alaska