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# Explore Search: Geochemical Data

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## By Year

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Data Release        May 30, 2024        Geochemical data from selected pre-Middle Jurassic basement rocks beneath the Coastal Plain in Florida and Alabama

Data Release        January 22, 2024        Alaska Geochemical Database Version 4.0 (AGDB4) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media

Data Release        May 14, 2024        Abandoned Mine Land (AML) Geochemical Data: Silver Island and Crater Island Mining Districts, UT

Data Release        April 25, 2024        Geochemical, grain size, lithological, bathymetric, reconstructed integrated vapor transport, and age model data for Leonard Lake, Mendocino County

Data Release        April 16, 2024        Geochemical data for groundwater and surface water in the Umatilla River basin, Oregon, 2014–2022

Data Release        April 29, 2024        Abandoned Mine Land (AML) Geochemical Data: Spor Mountain, Utah

Data Release        May 2, 2024        Abandoned Mine Land (AML) Geochemical Data: Browns Park District, Daggett County, Utah

Data Release        April 24, 2024        Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska

Data Release        August 11, 2022        Legacy Geochemical Data from Hardcopy Records of Selected Past U.S. Geological Survey Projects

Data Release        February 15, 2024        Geochemical and spectroscopic data on core samples from Lake Tanganyika in Tanzania

Data Release        January 24, 2024        Electron microprobe geochemical data for glass from the Khonkho tephra

Interactive Map        January 31, 2024        Alaska Geochemical Database

Data Release        November 7, 2023        Geochemical Data from Selected Triassic Rock Samples in Northeastern Alaska

Data Release        August 15, 2017        Geochemical Data Release for Gospel-Hump Wilderness Area, Magruder Corridor and Special Mining Management Zone Additions to the Frank Church River of No Return Wilderness Area, and adjacent areas Idaho and Montana

Data Release        July 21, 2022        Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative (ver. 9.0, February 2024)

Data Release        April 1, 2024        238U/206Pb SHRIMP, 40Ar/39Ar geochronologic, and geochemical data from the Central Virginia Piedmont

Data Release        November 4, 2021        National Geochemical Database on Ore Deposits: Legacy data

Data Release        July 3, 2018        In situ geochemical data related to the gold-quartz veins of Grass Valley, California, 2014-2015

Data Release        March 13, 2018        Geochemical and Modal Data for Mesoproterozoic Igneous Rocks of the St. Francois Mountains, Southeast Missouri

Data Release        September 18, 2019        Alaska Geochemical Database Version 3.0 (AGDB3) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media

Data Release        December 1, 2023        Geochemical and mineralogical data for mine waste from Sulphur Bank Mercury Mine, Lake County, California

Data Release        December 8, 2023        Field, Geochemical, Geochronological, and Magnetic Data from a Pliocene basalt flow along the Deschutes River in north-central Oregon

Data Release        August 26, 2020        Geochemical data used in the tungsten skarn mineral resource assessment of the Great Basin region of western Nevada and eastern California

Data Release        May 23, 2019        Data to accompany U.S. Geological Survey Data Series 1099: Petrographic, geochemical and geochronologic data for Cenozoic volcanic rocks of the Tonopah, Divide, and Goldfield Mining Districts, Nevada

Data Release        July 6, 2023        Geochemical data for stream water samples from streams around the Pogo Deposit and Black Mountain Au occurrences, Big Delta quadrangle, Alaska, 2021

Data Release        November 13, 2017        Global Geochemical Database for Critical Metals in Black Shales

Data Release        February 4, 2024        Geochemical data for the Pacheco stage tephra-fall deposits from Misti volcano, Arequipa, Peru

Data Release        April 17, 2020        Whole-rock geochemical data for the Bear Lodge alkaline complex, Wyoming: 2009 - 2013

Data Release        December 15, 2022        Geochemical data for carbonatite samples from the Mountain Pass rare earth element deposit, southeast California

Data Release        January 8, 2024        Geochemical analyses of rock samples collected from the Judith Mountains and Crazy Mountains alkalic complexes, Montana

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