{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Margaret A Goldman", "hasEmail": "mailto:mgoldman@usgs.gov"}, "description": "The data set contains geochemical data for 1,524,014 rock, sediment, soil, and mineral samples collected by the U.S. Geological Survey within US state, territory or Economic Exclusive Zone (EEZ) boundaries, and analyzed from 1962 through 2023 either in the analytical laboratories of the Geologic Discipline of the USGS or by contract with commercial analytical laboratories. These data represent analysis of samples collected in support of various USGS programs and projects. Retrievals from the legacy National Geochemical Database (NGDB-Legacy), the USGS Mineral Resources Program laboratory information management system (LIMS), the NURE National Uranium Resource Evaluation-Hydrogeochemical and Stream Sediment Reconnaissance databases (NURE-HSSR), and the Alaska Geochemical Database Version 4.0 (AGDB4) were used to generate a relational database. The tables in the database describe quantitative and qualitative geochemical analyses, including analytical results determined by 108 laboratory and field analytical methods in 25 laboratories.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1FXE9GK", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.63a107a0d34e0de3a1f2795f.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_63a107a0d34e0de3a1f2795f", "keyword": ["AGDB", "Alabama", "Alaska", "Alaska Geochemical Database", "American Samoa", "Arizona", "Arkansas", "California", "Colorado", "Connecticut", "Delaware", "District of Columbia", "Exclusive economic zone (EEZ)", "Florida", "GGGSC", "Geology, Geophysics and Geochemistry Science Center", "Georgia", "Guam", "Hawaii", "Idaho", "Illinois", "Indiana", "Iowa", "Kansas", "Kentucky", "Louisiana", "MRP", "Maine", "Maryland", "Massachusetts", "Michigan", "Mineral Resources Program", "Minnesota", "Mississippi", "Missouri", "Montana", "NGDB", "NURE-HSSR", "National Geochemical Database", "National Uranium Resource Evaluation Hydrogeochemical and Stream Sediment Reconnaissance Program", "Nebraska", "Nevada", "New Hampshire", "New Jersey", "New Mexico", "New York", "North Carolina", "North Dakota", "Northern Mariana Islands", "Ohio", "Oklahoma", "Oregon", "Pennsylvania", "Puerto Rico", "Rhode Island", "South Carolina", "South Dakota", "Tennessee", "Texas", "U.S. Geological Survey", "U.S. possessions and associated areas", "USGS", "USGS:63a107a0d34e0de3a1f2795f", "United States", "Utah", "Vermont", "Virgin Islands of the United States", "Virginia", "Washington", "West Virginia", "Wisconsin", "Wyoming", "aluminum", "analytical chemistry", "antimony", "arsenic", "ash", "barium", "beryllium", "bismuth", "boron", "bound or essential water", "bromine", "bulk density", "cadmium", "calcium", "carbon", "carbon dioxide", "carbonate carbon", "cerium", "cesium", "chemical analysis", "chlorine", "chromium", "cobalt", "copper", "dysprosium", "environmental geochemistry", "erbium", "europium", "exploration geochemistry", "ferric iron", "ferrous iron", "fluorine", "gadolinium", "gallium", "geochemical data", "geochemistry", "geoscientificInformation", "germanium", "gold", "hafnium", "holmium", "igneous rocks", "indium", "iodine", "iridium", "iron", "lanthanum", "lead", "lithium", "loss on ignition", "lutetium", "magnesium", "manganese", "mercury", "metamorphic rocks", "mineral resources", "moisture or nonessential water", "molybdenum", "neodymium", "nickel", "niobium", "organic carbon", "organic sulfur", "osmium", "palladium", "phosphorus", "platinum", "plutonic rocks", "potassium", "powder density", "praseodymium", "pyritic sulfur", "rhenium", "rhodium", "rock chemistry", "rubidium", "ruthenium", "samarium", "scandium", "sediment chemistry", "sedimentary rocks", "selenium", "silicon", "silver", "sodium", "soil chemistry", "soil pH", "strontium", "sulfate", "sulfide", "sulfur", "tantalum", "tellurium", "terbium", "thallium", "thorium", "thulium", "tin", "titanium", "total water", "tungsten", "uranium", "vanadium", "volcanic rocks", "ytterbium", "yttrium", "zinc", "zirconium"], "modified": "2026-01-21T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-179.7466, -14.1860, 179.4537, 71.5996", "theme": ["geospatial"], "title": "Geochemical data for rock, sediment, soil, and mineral samples, United States and territories, 1962 to 2023"}