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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Data Release Products 09471143 - Walnut Gulch below ARS Flume 6, near Tombstone, AZ - 07/28/2017 Flow Event Data 12-digit hydrologic unit outlet (pour) points for the NHDPlus V2.1 WBD snapshot 1992 digital surface model and orthomosaic of Malakoff Diggins State Historic Park, California 2010-2017 zooplankton data from whole water-column tows in Lakes Michigan and Huron 2013 East Bay Seismic Experiment (EBSE) -- Implosion Data, Hayward, Calif More... Filters Date Range Past year (81) Past month (7) Past week (2) Past day (0) Custom range... To   Search Extensions Raster (23) Shapefile (13) ArcGIS Map Package (2) ArcGIS Service Definition (2) ArcGIS REST Service (1) Citation (1) Types Map Service (79) OGC WFS Layer (60) OGC WMS Layer (60) OGC WMS Service (50) Downloadable (43) More... Contacts U.S. Geological Survey - ScienceBase Geosciences and Environmental Change Science Center Victoria E Langenheim Florence Bascom Geoscience Center Daniel H Doctor More... Categories Data Release - Revised (11) Data Release - In Progress (1) Publication (1) pre-SM502.8 (1) Tag Types Theme (197) Place (188) USGS Scientific Topic Keyword (175) Harvest Set (199) place (1) Catalog Filter Data Theme (5) Subject (2) More... Tag Schemes None (73) USGS Thesaurus (114) Common geographic areas (60) U.S. Board of Geographic Names (BGN) Geographic Names Information System (GNIS) (4) AGI Glossary of Geology (5) ISO 19115 Topic Category (100) Geographic Names Information System (GNIS) (16) More... View Results as: JSON ATOM CSV Browse Folder

U-Pb zircon data for volcanic and sedimentary units within the Kittitas Valley, central Washington State This data release includes laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) U-Pb zircon geochronology data from four samples collected from syn- and post-Columbia River Basalt Group strata. Samples were collected from within alluvial fan strata and gravel-mantled hillslopes. Sample 16MANC2-01 was collected from an excavation into rounded fluvial gravel deposits along the Manastash Ridge. The unit collected includes Cascadian derived volcanic clasts and is interpreted as an inset terrace of fluvial strata deposited on the Manastash Ridge. Sample 16MANC1-06 is a rhyodacitic boulder collected on a nearby exposure of gravel mantled hillslopes along Manastash Ridge. Sample 16MRF01 was collected... Categories: Data; Tags: Detrital Zircon, GGGSC, Geochronology, Geology, Geophysics, and Geochemistry Science Center, Kittitas Valley, All tags... LA-ICPMS, Laser-Ablation Inductively-Coupled Plasma Mass Spectrometry, MRP, Manastash Ridge, Microbeam Laboratory, Mineral Resources Program, Radiometric Dating, SEM-cathodoluminescence, Sedimentary Rocks, Sedimentology, Stratigraphy, Thorium, U-Pb, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Uranium, Uranium-Lead analysis, Washington, Yakima River, Fewer tags Zircon U-Pb geochronology and whole rock geochemistry for pre-ignimbrite volcanoes within the San Juan locus of the mid-Cenozoic Southern Rocky Mountain volcanic field, Colorado This U.S. Geological Survey (USGS) data release provides whole rock major, minor, and trace element geochemical data and zircon U-Pb geochronology and trace element concentrations for samples from pre-ignimbrite volcanoes within the San Juan locus of the mid-Cenozoic Southern Rocky Mountain volcanic field, Colorado. Samples were collected in order to constrain the evolution of the pre-ignimbrite magmatic system. Categories: Data; Tags: Colorado, Geochemistry, USGS Science Data Catalog (SDC), United States, geochemistry, All tags... geochronology, igneous rocks, Fewer tags Electron microprobe analyses of feldspars and petrographic, geochemical, and geochronologic data from the Hawkeye Granite Gneiss and Lyon Mountain Granite Gneiss in the Adirondacks of New York (ver. 2.0, May 2023) Iron oxide-apatite (IOA) deposits of the Adirondack Mountains of New York locally contain elevated REE concentrations (e.g. Taylor and others, 2019). Critical to evaluating resource potential is understanding the genesis of the IOA deposits that host the REE-rich minerals. As part of this effort, the U.S. Geological Survey (USGS) is conducting bedrock geologic mapping, geochronology, geochemistry, and geophysics in the region. Published and ongoing research demonstrates the spatial association of IOA deposits with the Lyon Mountain Granite Gneiss (LMG), so understanding the relationship of the LMG to the IOA deposits is important for resource evaluation—however the age and origin of the LMG remain contentious. As... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Adirondack Mountains, Dannemora, Hawkeye, Keene, Lyon Mountain, All tags... Lyonsdale, New York, USGS Science Data Catalog (SDC), chemical analysis, electron probe microanalysis, geochemistry, geoscientificInformation, mineral resources, mineralogy, Fewer tags Literature compilation of paleocurrent data from the Late Paleozoic Ouachita orogen, Oklahoma-Arkansas, U.S.A. This digital geospatial compilation gathered paleoflow indicators from current-formed sedimentary structures throughout the Paleozoic Ozark uplift, Arkoma foreland basin, and Ouachita fold-thrust-belt of eastern Oklahoma and western Arkansas from existing publications. This dataset consists of unidirectional and bidirectional paleocurrents observed from a variety of bedform types represented by approximately 9,958 individual measurements and 665 calculated means (one .csv file) plotted as points (one .shp file) with subordinate Ordovician-Silurian and primarily Mississippian-Pennsylvanian ages. Categories: Data; Tags: Arkansas, Arkoma, Atoka, Atokan, Bartlesville, All tags... Blakely, Blaylock, Bloyd, Bluejacket, Boggy, Chesterian, Desmoinesian, Elgin, Gypsy, Hartshorne, Jackfork, Krebs, Lequire, Mazarn, McAlester, Meramecian, Mississippian, Missouri Mountain, Morrowan, Oklahoma, Ordovician, Ouachita, Ozark, Paleocurrent, Paleoflow, Paleozoic, Parthenon, Pennsylvanian, Savanna, Sedimentology, Silurian, Stanley, Stratigraphy, Thurman, USGS Science Data Catalog (SDC), Vamoosa, Virgilian, Warner, Wedington, Womble, Fewer tags 40Ar/39Ar data from the Janub Metamorphic Complex, Southern Jordan This data release includes 40Ar/39Ar collected at the U.S. Geological Survey for samples from the Janub Metamorphic Complex in Southern Jordan. Rock samples were collected by Hind Ghanem of the University of Jordan. Muscovite-rich microcores were drilled from a polished thick section of a deformed granitoid and analyzed by argon geochronology at the U.S. Geological Survey Bascom ARgon Dating (BARD) Laboratory in Reston, Virginia. The 40Ar/39Ar data constrain the timing of formation of the foliation defined by muscovite. Categories: Data; Tags: 40Ar/39Ar, Arabian Shield, Bascom Argon Dating Laboratory, FBGC, Florence Bascom Geoscience Center, All tags... Geochemistry, Geochronology, Jordan, Structural Geology, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), geoscientificInformation, Fewer tags 40Ar/39Ar data from the Gidami gold deposit, Egypt This data release includes 40Ar/39Ar data from the U.S. Geological Survey for samples from the Gidami gold deposit in the Eastern Desert of Egypt. Rock samples were collected by Basem Zoheir--Benha University/University of Kiel. Potassium-bearing mineral grains were separated from the bulk sample and analyzed by argon geochronology at the U.S. Geological Survey Bascom ARgon Dating (BARD) Laboratory in Reston, Virginia. The data constrain the timing of gold mineralization in the Gidami gold deposit. Categories: Data; Tags: 40Ar/39Ar, Bascom Argon Dating Laboratory, Economic Geology, Egypt, FBGC, All tags... Geochemistry, Geochronology, Gidami, Mineral Resources, Structural Geology, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), biota, Fewer tags Directory of Public Repositories of Geological Materials Overview This directory was developed to provide discovery information for anyone looking for publicly accessible repositories that house geological materials in the U.S. and Canada. In addition, this resource is intended to be a tool to facilitate a community of practice. The need for the directory was identified during planning for and follow-up from a drill core repository webinar series in Spring 2020 for public repository curators and staff in the U.S. and Canada hosted by the Minnesota Geological Survey and the Minnesota Department of Natural Resources. Additional supporting sponsors included the U.S. Geological Survey National Geological and Geophysical Data Preservation Program and the Association of American... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alabama, Alaska, Alberta, Arkansas, British Columbia, All tags... Canada, Colorado, Connecticut, Delaware, Economic Geology, Energy Resources, Florida, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Marine Geology, Maryland, Massachusetts, Michigan, Mineral Resources, Minnesota, Missouri, Nebraska, Nevada, New Jersey, New York, Newfoundland, North Carolina, North Dakota, Northwest Territories, Nova Scotia, Ohio, Oklahoma, Ontario, Pennsylvania, Saskatchewan, South Carolina, South Dakota, Texas, USGS Science Data Catalog (SDC), United States, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon, directories, drilling and coring, fossils, geoscientificInformation, igneous rocks, metamorphic rocks, mineral deposits, petroleum, sample repositories, sedimentary rocks, specimen collecting, unconsolidated deposits, Fewer tags Tabular geochronologic and geochemical data from metasedimentary and associated rocks in the Lane Mountain area, San Bernardino County, California This dataset provides geochronologic and geochemical data for selected metasedimentary and associated rock samples collected in the Lane Mountain area about 20 kilometers northeast of Barstow, California. Geochronologic data were obtained for 24 samples, and geochemical data were obtained for 5 of these. The dataset consists of four tables in csv (comma separated values) format: (1) sample localities and lithology; (2) LA-SF-ICPMS (Laser Ablation Sector Field Inductively Coupled Plasma Mass Spectrometry) U-Pb (uranium-lead) zircon geochronologic data; (3) SHRIMP-RG (Sensitive High-Resolution Ion Microprobe-Reverse Geometry) U-Pb zircon geochronologic data; and (4) whole-rock geochemical data determined by ICP-AES-MS... Categories: Data; Tags: Barstow, California, El Paso terrane, Geochemistry, Lane Mountain, All tags... San Bernardino County, Stratigraphy, USGS Science Data Catalog (SDC), United States, geochemistry, geochronology, geology, zircon, Fewer tags Data Release - Digital subsurface data from previously published contoured maps of the tops of the Mowry Shale, Morrison Formation, and Minnelusa Formation, Powder River basin, Wyoming and Montana This digital data release contains previously published contours on the tops of the Mowry Shale, Morrison Formation, and Minnelusa Formation. The maps are from a series of U.S. Geological Survey Miscellaneous Field Studies (MF) showing computer-generated structure contours, isopachs, and cross sections of selected formations in the Powder River basin, Wyoming and Montana (Crysdale 1990, 1991a, 1991b). The maps were constructed from information stored in a U.S. Geological Survey Evolution of Sedimentary Basins data base. This data base contains picks of geologic formation and (or) unit tops and bases determined from electric resistivity and gamma-ray logs of 8,592 wells penetrating Tertiary and older rocks in the... Categories: Data; Tags: Montana, Powder River basin, Stratigraphy, Structural Geology, USGS Science Data Catalog (SDC), All tags... Wyoming, elevation, geologic structure, geoscientificInformation, structure contours, Fewer tags Wild and Scenic Rivers 2018 Linked to the NHDPlusV2.1 These data depict the National Hydrography Dataset Plus Version 2.1 (NHDPlusV2.1) flowline representation of the National Wild and Scenic Rivers System throughout the conterminous United States as of 2018. U.S. Forest Service geospatial data on National Wild and Scenic River segments (USFS WSR Segment) from 3/1/2016 were joined to the NHDPlusV2.1 to create the Wild and Scenic Rivers 2018 Linked to the NHDPlusV2.1 (wsr_nhdpv2.1) data. To ensure these data correctly represented the NHDPlusV2.1 flowline delineation of the National Wild and Scenic Rivers System, each wsr_nhdpv2.1 river segment was examined against the USFS WSR Segment data to check for duplication and/or omission of Wild and Scenic River segments. Spatial... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Arizona, Arkansas, California, Colorado, All tags... Connecticut, Conterminous, Delaware, Florida, Georgia, Hydrography, Hydrology, Idaho, Illinois, Kentucky, Lotic, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, NFHP Cooperator, NHDPlus, NHDPlusV2, NHS, National, National Hydrography Dataset, Nebraska, New Hampshire, New Jersey, New Mexico, New York, NoVisual, North Carolina, Ohio, Oregon, Pennsylvania, Recreation, River, Scenic, South Carolina, South Dakota, Spatial Data, Stream, Tennessee, Texas, USA, USFS, USGS, USGS Science Data Catalog (SDC), United States, United States of America, Utah, Vermont, WSR, Washington, Water Resources, West Virginia, Wild, Wisconsin, Wyoming, Fewer tags Detrital zircon U-Pb data for Upper Triassic sandstones of the Auld Lang Syne basin, northwest Nevada, USA This data release includes raw detrital zircon U-Pb data for isolated sandstones in Upper Triassic deposits of the Auld Lang Syne basin of northwest Nevada, USA. Detrital zircon U-Pb data for 11 sandstone samples (3269 zircon U-Pb dates) were acquired via LA-ICP-MS at the University of Arizona LaserChron Center for 11 sandstone samples. Primary insights from the data are twofold: 1) The data provide information about sediment provenance and indicate that sediment of the Auld Lang Syne basin was primarily derived from near the ancestral Ouachita orogen of Texas and Oklahoma. Sediment was transported to the Auld Lang Syne basin by a Late Triassic transcontinental river system, recorded today by the Upper Triassic... Categories: Data; Tags: Great Basin, Nevada, North America, Sedimentology, Stratigraphy, All tags... USGS Science Data Catalog (SDC), geochronology, geology, sedimentology, stratigraphy, zircon, Fewer tags Cosmogenic Al-26/Be-10 Isochron Burial Data for the Nussbaum Gravel at Baculite Mesa, CO We have constrained the age of the Nussbaum Gravel at Baculite Mesa, CO using cosmogenic Al-26/Be-10 isochron burial dating. Two samples, a coarse sand and a fine gravel, were prepared for burial dating at the Reston Cosmogenic Nuclide (RECON) Lab and measured via accelerator mass spectrometry at the Purdue Rare Isotope Measurement (PRIME) Lab. The results of this work are summarized in the file “BaculiteMesa_SiteLocation_Odom.csv”, which contains site data and burial age calculations; measurements of aluminum-26 and beryllium-10, as well as related data, are located in respective .csv files. We calculated respective minimum and maximum burial ages for the sand (1.25 ± 0.08 Ma and 1.66 ± 0.12 Ma) and gravel (1.44... Categories: Data; Tags: Aluminum-26, Beryllium-10, Burial dating, Colorado, Geochronology, All tags... Geology, Geomorphology, Geomorphology, Glaciology, Isochron, USGS Science Data Catalog (SDC), Fewer tags Photoluminescence Imaging of Whole Zircon Grains on a Petrographic Microscope—An Underused Aide for Geochronologic Studies The refractory nature of zircon to temperature and pressure allows even a single zircon grain to preserve a rich history of magmatic, metamorphic, and hydrothermal processes. Isotopic dating of micro-domains exposed in cross-sections of zircon grains allows us to interrogate this history. Unfortunately, our ability to select the zircon grains in a heavy mineral concentrate that records the most geochronologic information is limited by our inability to predict internal zonation from observations of whole zircon grains. Here we document the use of a petrographic microscope to observe and image the photoluminescence (PL) response of whole zircon grains excited under ultraviolet (UV) light, and the utility of this PL... Categories: Data; Tags: Adirondacks, NY, Beauty Spot, NC, Geochemistry, Geochronology, Sussex County, VA, All tags... USGS Science Data Catalog (SDC), Woodbury, CT, Fewer tags Data release for a paleomagnetic age estimate for the draining of ancient Lake Alamosa, San Luis Valley, south-central Colorado, U.S.A. Samples, sample depths, paleomagnetism, and magnetic susceptibility parameters are recorded for BP-3-USGS well, San Luis Valley, Southwestern Colorado. Categories: Data; Tags: Colorado, Geology, Geophysics, Paleomagnetism, San Luis Valley, All tags... USGS Science Data Catalog (SDC), Fewer tags Geochemical data from selected pre-Middle Jurassic basement rocks beneath the Coastal Plain in Florida and Alabama This data release contains whole-rock geochemical analyses from drill cores and cuttings of pre-Middle Jurassic basement rocks that are buried beneath Coastal Plain sedimentary deposits in Florida and Alabama. The analyses were acquired to support geologic mapping and characterization of little-known coastal-plain basement rock units for topical studies as in geochronology, and applications ranging from mineral, energy, and water resources to earthquake hazards. These samples provide rare insights into deeply buried rocks that have no surface exposures and no known exposed correlates. The 70 whole-rock samples from drill cores and cuttings were selected and described by Ryan Deasy (USGS) and analyzed for major and... Categories: Data; Tags: Alabama, Florida, USGS Science Data Catalog (SDC), bedrock geologic units, borehole logging, All tags... core analysis, drilling and coring, geochemistry, geoscientificInformation, Fewer tags Photographs and photomicrographs of selected pre-Middle Jurassic basement rocks beneath the Coastal Plain in Florida This data release contains photographs and photomicrographs from drill cores and cuttings of pre-Middle Jurassic basement rocks that are buried beneath Coastal Plain sedimentary deposits in Florida. These samples provide rare insights into deeply buried rocks that have no surface exposures and no known exposed correlates. These images were acquired to support the characterization, discrimination, and correlation of map units comprising Florida’s basement infrastructure (Deasy and others, 2024a). These are the original images. Annotated images with additional comments are available in the companion Data Report (Deasy and others, 2024b). Semi-quantitative mineral modes of many basement rocks are presented in a companion... Categories: Data; Tags: Mineral Resources, USGS Science Data Catalog (SDC), Volcanology, biota National Fish Habitat Partnership (NFHP) 2015 Cumulative Habitat Condition Scores and Disturbance Indices Linked to Catchments of Southeast Alaska This shapefile contains cumulative fish habitat condition index (HCI) scores as well as specific disturbance indices for local and network catchments of Southeast Alaska. Catchments were created in support of Jared Ross's Master’s thesis. The source datasets compiled and attributed to spatial units were identified as being: (1) meaningful for assessing fluvial fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) broadly representative of conditions in the past 10 years, and (4) of sufficient spatial resolution that they could be used to make valid comparisons among local catchment units. Citations: Ross, J.A. Influences of timber management and natural landscape factors... Categories: Data; Types: ArcGIS REST Map Service, Citation, Map Service; Tags: 2015 National Assessment, 2015 National Assessment, DataProduct, Direct habitat alteration, Environmental condition, All tags... Habitat Characterization, Lotic, NFHP, NFHP Cooperator, NHDHR, Regional Assessment, Spatial Data, USGS Science Data Catalog (SDC), Visual, drainage basins, environmental assessment, inlandWaters, watershed, Fewer tags Historical Stream Fish Distribution Database for the Conterminous United States (1950-1990): IchthyMaps Fish occurrence data to support high-resolution distribution models and test various community and macroecological hypotheses have not been available at the national scale. We present IchthyMaps, a database of high-quality historical fish occurrences covering fishes of the conterminous United States. Designed on the principles of metacommunity ecology, IchthyMaps is a compilation of presence records from atlases up to 1990, at the resolution of the 1:100,000 National Hydrography Database Plus (NHDPlus) inter-confluence stream segment, readily aggregated into hierarchically coarser units (e.g. hydrologic unit code 8-digit and 12-digit watersheds). IchthyMaps contains about 606,550 presence records for 1,038 species... Categories: Data, Publication; Types: Citation; Tags: Alabama, Arizona, Arkansas, Biological Data, Biological sampling, All tags... California, Colorado, Connecticut, Conterminous United States, Deleware, District of Columbia, Ecological distribution, Florida, Freshwater fishes, Georgia, Historical data, Historical data, Idaho, Illinois, Indiana, Kansas, Kentucky, Lentic, Lotic, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, NFHP Cooperator, NHDPlusV2, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, NoVisual, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Spatial Data, Spatial distribution, Species presence, Species presence, Tennessee, Texas, USGS Science Data Catalog (SDC), United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Fewer tags Global reference evapotranspiration for food-security monitoring (ver. 2.1, April 2024) The data are a long-term (1980-present), daily reanalysis of reference evapotranspiration, covering the globe at a spatial resolution of 0.625° Longitude x 0.5° Latitude. Reference evapotranspiration is a measure of evaporative demand, or the "thirst of the atmosphere", basically how much moisture from the surface could evaporate into overpassing air, assuming (i) that enough water is available to evaporate and (ii) the surface is covered with a specific reference crop that completely shades the ground (some other conditions also apply). For this dataset, reference evapotranspiration is derived from the daily implementation of the Penman-Monteith reference evapotranspiration equation (Monteith, 1965) as codified... Categories: Data, Data Release - Revised; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Raster; Tags: Climatology, Remote Sensing, USGS Science Data Catalog (SDC), Water Resources, climatologyMeteorologyAtmosphere, All tags... food-security, geoscientificInformation, global, long-term daily product, reference evapotranspiration, Fewer tags Vegetation and Water Monitoring Datasets for selected locations in the Republic of the Marshall Islands from 2017-2022 The Republic of the Marshall Islands (RMI) is a sovereign Small Island State in the tropical central North Pacific Ocean. RMI is a nation of more than thirty atolls and islands, most of which are inhabited, dispersed across an exclusive economic zone (EEZ) over 2 million square kilometers. This data release contains raster datasets for vegetation and water monitoring including Normalized Difference Vegetation Index (NDVI), Landscape Water Requirement Satisfaction Index (L-WRSI), and Soil Moisture Index (SMI) for selected locations and precipitation (dekadal (10-day) sum) for the entire RMI from 2017-2022. These data were compiled to support a 2022-2023 U.S. Geological Survey project for developing methods to apply... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Ailinglaplap Atoll, Ebon Atoll, Geography, Hydrology, Land Use Change, All tags... Mejit Island, Mili Atoll, Normalized Difference Vegetation Index (NDVI), Remote Sensing, Republic of Marshall Islands, Soil moisture index, USGS Science Data Catalog (SDC), Vegetation health, Water Requirement Satisfaction Index, Water Resources, Water use, Wotho Atoll, Wotje Atoll, precipitation (atmospheric), Fewer tags « 1 2 3 4 5 ... 11 »