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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 This dataset is the assembled analytical results of geochemical, petrographic, and geochronologic data for samples, principally those of unmineralized Tertiary volcanic rocks, from the Tonopah, Divide, and Goldfield mining districts of west-central Nevada. Much of the data presented here for the Tonopah and Divide districts are for samples collected by Bonham and Garside (1979) during geologic mapping in and around those districts, whereas much of that for samples from the Goldfield district were obtained by Ashley (1974; 1979; 1990). Additional data were derived from samples collected between 2012–2017, as part of the U.S. Geological Survey Mineral Resources Program funded project titled: “Magmatic-tectonic history... Categories: Data; Tags: Ar, Divide mining district, Economic Geology, Esmeralda County, Fraction Tuff, All tags... GGGSC, Geochemistry, Geology, Geophysics, and Geochemistry Science Center, Goldfield mining district, Heller Tuff, ICP–AES, ICP–MS, LA-ICPMS, MRP, Mineral Resources, Mineral Resources Program, Nevada, New Mexico Geochronology Research Center, Nye County, Pb, SHRIMP-RG, Sensitive High Resolution Ion Microprobe with Reverse-Geometry, Siebert Tuff, Tonopah mining district, U, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Walker Lane geologic province, argon, geochemistry, geochronology, geoscientificInformation, inductively coupled plasma—atomic emission spectrometry, inductively coupled plasma—mass spectrometry, laser ablation inductively coupled plasma—mass spectrometry, lead, petrography, precious metal deposits, uranium, volcanic rocks, wavelength dispersive X-ray fluorescence spectrometry, Fewer tags Spatial data files associated with the identification of new data for the sagebrush focal area mineral resource assessment in Nevada In summer 2021, the Bureau of Land Management - Nevada (BLM NV) requested that the U.S. Geological Survey Mineral Resources Program (USGS MRP), acting through the Geology, Minerals, Energy, and Geophysics Science Center (GMEGSC) and other collaborating USGS Science Centers, conduct a scoping study to: 1) discover mineral resource data and relevant publications that have been released since the publication of the 2016 USGS Sagebrush Focal Area Mineral Resource Assessment (SaMiRA; Day and others, 2016) for the Nevada portion of the Focal Area, and 2) evaluate whether these data support an update to the assessment for the SFA lands in Nevada. The commodities of interest for this scoping study are: copper, gold, lead,... Categories: Data; Tags: Mineral Resources, Nevada, USGS Science Data Catalog (SDC), geoscientificInformation