-
Federal
New U-Pb Geochronology and Geochemistry of Paleozoic Metaigneous Rocks from Western Yukon and Eastern Alaska recent views
Department of the Interior —
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... -
Federal
Water-Quality and Borehole Geophysical Data Associated with Uranium Background Concentrations at the Homestake Superfund Site near Milan, New Mexico: 2016 (ver. 1.2) recent views
Department of the Interior —
The datasets contained herein were collected as part of a cooperative U.S. Geological Survey (USGS) and U.S. Environmental Protection Agency (EPA) project entitled... -
State
40Ar/39Ar ages of rocks collected from the Passage Canal area, Seward D-7 Quadrangle, Alaska recent views
State of Alaska —
This report presents 40Ar/39Ar step-heating geochronology results from a single outcrop of a mineralized near-trench intrusion exposed in a road cut near Whittier,... -
State
Zircon U-Pb results from the eastern Moran area, Tanana B-6 and Melozitna B-1 quadrangles, Alaska recent views
State of Alaska —
Raw Data File 2023-15,Zircon U-Pb results from the eastern Moran area, Tanana B-6 and Melozitna B-1 quadrangles, Alaska, Raw Data File 2023-15, U-Pb geochronologic... -
State
40Ar/39Ar data from the Richardson mining district, Big Delta Quadrangle, Alaska recent views
State of Alaska —
During the 2017 and 2018 field seasons, geologists from the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted geologic mapping and sampling in... -
Federal
Data for Occurrence and Sources of Lead in Private Wells, Sturbridge, Massachusetts recent views
Department of the Interior —
Lead (Pb) occurrence and sources and aqueous geochemistry were assessed in private wellhead and tap water at a targeted area of concern for possible exceedances and... -
State
U-Pb detrital zircon geochronology of Cretaceous-Cenozoic sedimentary rocks in the Ladue River-Mount Fairplay area, Alaska recent views
State of Alaska —
This report presents U-Pb detrital zircon dates from three sedimentary rock samples collected in the eastern Tanacross Quadrangle during 2019 geologic mapping by the... -
Federal
Fish abundance, composition, distribution - Recolonization of the Cedar River, WA by Pacific salmon recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above... -
Federal
Growth, movement and survival - Recolonization of the Cedar River, WA by Pacific salmon recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above... -
Federal
Marine Geology Reports in the NGDC Archive recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Historic Marine Geologic data reports available are from academia, government, and non-U.S. sources. These reports were originally in paper or film form and were... -
Federal
CLIMAP 120K bp Sediment Data Files - Micropaleontology, Carbonate Percentages, Carbon 14 Age Dates, and Oxygen Isotope Data for 52 Selected Seafloor Cores recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The CLIMAP (Climate: Long-range Investigation, Mapping, and Prediction) Project was funded by the National Science Foundation as part of the International Decade of... -
Federal
Biogenic Silica and Carbon 14 Age Dates from Lake Victoria Cruise V95 Cores recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The LLO operates in conjunction with the Limnological Research Center (LRC) in working towards fulfilling the objectives of the International Decade for the East... -
Federal
EPA oyster project: nitrogen in water. - Transport and fate of nutrient and pathogen loadings into nearshore Puget Sound: consequences for shellfish growing areas recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This project seeks to develop and apply an assessment of shellfish growing area (SGA) vulnerability to closures caused by watershed- and marine-derived pathogens.... -
Federal
Stable isotope database - Transport and fate of nutrient and pathogen loadings into nearshore Puget Sound: consequences for shellfish growing areas recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
This project seeks to develop and apply an assessment of shellfish growing area (SGA) vulnerability to closures caused by watershed- and marine-derived pathogens.... -
Federal
Diet - Recolonization of the Cedar River, WA by Pacific salmon recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
The objective of this study is to quantify population, community, and ecosystem level changes as a result of salmon recolonization of the Cedar River, WA above... -
Federal
Rare Earth Element Concentration of Wyoming Thermal Waters Update recent views
Department of Energy —
Updated version of data generated from rare earth element investigation of produced waters. These data represent major, minor, trace, isotopes, and rare earth element... -
Federal
Sulfur isotopes for tephra from the 2008 opening of Halemaʻumaʻu crater, Kīlauea Volcano, Hawaiʻi recent views
Department of the Interior —
This data release contains geochemical data for volcanic tephra from Kīlauea Volcano, Hawaiʻi, sampled between March 19 and April 16, 2008. -
Federal
Compiled age tracer and redox chemistry data for the State of Wisconsin, 1987-2009 recent views
Department of the Interior —
This data set was compiled to support the development of a model of oxygen reduction rates in Wisconsin groundwater wells; a model which is part of a Groundwater... -
Federal
Isotope-corrected Critical Ratio calculations recent views
Department of Agriculture —
This Microsoft Excel workbook (168.259 Mb) calculates Critical Ratios for triacylglycerols based on manually entered mass spectra, with isotope correction by isotope...