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Folders: ROOT > ScienceBase Catalog > Alaska Science Center (ASC) > _Geology & Natural Hazards ( Show direct descendants )

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__Alaska Science Center (ASC)
____Geology & Natural Hazards
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This dataset provides shapefiles and tabular data representing river channel geometries measured on photogrammetric imagery and extracted from a photogrammetric digital elevation model (acquired August 2021) along the Totatlanika River in central Alaska. This is a child item of the USGS Data Release: https://doi.org/10.5066/F7X63KF2
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The Alaska Resource Data File (ARDF) is a database of mines, prospects, and mineral occurrences in Alaska. It contains information compiled from published and unpublished sources from industry, U.S. Bureau of Mines (BOM), U.S. Geological Survey (USGS), and other government and private sources. ARDF is not a mining claims database. ARDF is mainly focused on metallic commodities. Common industrial minerals or commodities, such as sand, gravel and crushed stone, and limestone are not included in ARDF, nor are energy minerals such as peat, coal, and oil and gas. However, uranium, thorium, and rare earth elements, as well as some high unit value industrial minerals, such as barite, jade, graphite, and gypsum, are included....
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This dataset provides shapefiles and tabular data representing boulders measured on photogrammetric imagery (acquired August 2021) along the Totatlanika River in central Alaska. This is a child item of the USGS Data Release: https://doi.org/10.5066/10.5066/F7X63KF2
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This data release includes three tables containing cosmogenic beryllium-10 and aluminum-26 concentrations and related data from samples collected at four sites in central Alaska in 2020, prepared in 2022 at the University of Vermont (UVM), and measured at the Purdue Rare Isotope Measurement lab (PRIME) in 2022. The file "burialAge_siteLocations_centralAK_bender.csv" contains site locations in the NAD83 reference frame, and burial ages computed from raw data contained in the other files. All files are linked by the site_id_short field.
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This dataset provides scaled and geotagged digital photographs of river sediment acquired in August 2021 at 21 sites along the Totatlanika River in central Alaska, and tabular sediment grain size data derived from the photographs. This is a child item of the USGS Data Release: https://doi.org/10.5066/F7X63KF2
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This data package includes four child items with data about sediment size and transport on the Totatlanika River, northern Alaska Range. Child Item 1: "Grain Size Data Collected Along the Totatlanika River, Alaska, August 2021". Scaled and geotagged digital photographs of river sediment and tabular sediment grain size data derived from the photographs. Child Item 2: "Boulder Size Data Collected Along the Totatlanika River, Alaska, August 2021". Shapefiles and tabular data representing boulders measured on photogrammetric imagery. Child Item 3: "Channel Geometry Data Collected Along the Totatlanika River, Alaska, August 2021". Shapefiles and tabular data representing river channel geometries measured on photogrammetric...
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This data release contains three tables of U-Pb zircon isotopic data generated from analyses of 40 metaplutonic and metavolcanic rocks from the Yukon-Tanana Upland of western Yukon and east-central Alaska and one sample from southern Yukon. One of the tables also reports U-Pb data for two titanite analyses for one of the samples. U-Pb zircon ages from analyzed samples range from 363.5 ± 3.8 to 253.1 ± 0.7 Ma and were collected from parautochthonous North America and the allochthonous Yukon-Tanana terrane. U-Pb zircon data include 216 individual analyses by ID-TIMS and 35 individual analyses of two samples by LA-ICP-MS. ID-TIMS analyses of titanite give concordant 206Pb-238U ages of 333 and 338 Ma. Two U-Pb tables...
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This data set contains U-Pb isotopic data and associated ages of detrital zircon from sedimentary and metasedimentary rocks collected in northern Yukon, Canada. The samples were originally collected as part of geological mapping and research conducted by the Geological Survey of Canada. They were recovered from archived collections and sent to the U.S. Geological Survey for analysis of detrital zircon using U-Pb geochronology methods. Detrital zircon grains were separated and analyzed by GeoSep Services (GSS) in 2015 using laser-ablation-inductively-coupled-plasma-mass spectrometry (LA-ICP-MS) techniques.
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This dataset provides shapefiles and tables of water flow data (acquired in the field August 2021) and inputs for calculating annual exceedance probability discharges along the Totatlanika River in central Alaska. This is a child item of the USGS Data Release: https://doi.org/10.5066/F7X63KF2
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This dataset contains results from a stratigraphic section of the Hue Shale located along the Jago River in the Arctic National Wildlife Refuge at 69.9099, -143.3947 (WGS84). Sample heights were measured with a tape measure in a continuous succession. Zircon grains from volcanic ashes were analyzed via laser ablation at either the University of California, Santa Barbara (UCSB) or the University of Arizona Laserchron Center (ALC) using a Photon Machines Analyte 193-nm Excimer laser and Nu Instruments Plasma HR MC-ICPMS. Zircon grains from volcanic ashes were analyzed via chemical abrasion at the Berkeley Geochronology Center using a Sector 54 TIMS. Bulk mudstone samples were subject to a variety of analyses. Total...
    map background search result map search result map Alaska Resource Data File (ARDF) U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from northern Yukon, Canada New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska Central Alaska Cosmogenic Isotope Burial Age Data Collected 2020-2022 Sediment Transport Data from the Totatlanika River, Alaska, August 2021 Grain Size Data Collected Along the Totatlanika River, Alaska, August 2021 Boulder Size Data Collected Along the Totatlanika River, Alaska, August 2021 Channel Geometry Data Collected Along the Totatlanika River, Alaska, August 2021 Water Discharge Data Collected and Modeled Along the Totatlanika River, Alaska, August 2021 Carbon Isotopes, Total Organic Carbon, Programmed Pyrolysis, Volcanic Zircon U-Pb, and Geochemistry Data from the Hue Shale, Arctic Alaska - 2024 Carbon Isotopes, Total Organic Carbon, Programmed Pyrolysis, Volcanic Zircon U-Pb, and Geochemistry Data from the Hue Shale, Arctic Alaska - 2024 Boulder Size Data Collected Along the Totatlanika River, Alaska, August 2021 Channel Geometry Data Collected Along the Totatlanika River, Alaska, August 2021 Grain Size Data Collected Along the Totatlanika River, Alaska, August 2021 U-Pb Isotopic Data and Ages of Detrital Zircon from Selected Rocks from northern Yukon, Canada Central Alaska Cosmogenic Isotope Burial Age Data Collected 2020-2022 New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska Alaska Resource Data File (ARDF)