Filters: Tags: Electron microprobe (X) > Types: Map Service (X)

Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (1) Types OGC WFS Layer (3) OGC WMS Layer (3) OGC WMS Service (2) Downloadable (1) Shapefile (1) Contacts Cliff D Taylor Ryan D Taylor U.S. Geological Survey Laura C Walkup U.S. Geological Survey - ScienceBase More... Categories Data (2) Tag Types Theme (3) Place (3) USGS Scientific Topic Keyword (3) Harvest Set (3) Tag Schemes none (1) USGS Thesaurus (3) Common geographic areas (2) GNIS thesaurus (1) ISO 19115 Topic Category (3) Common Geographic Areas (1) View Results as: JSON ATOM CSV

Table of electron probe microanalyses of native copper and sulfide minerals from the White Pine sediment-hosted copper deposit, Michigan This data release provides electron microprobe geochemical data that was collected as part of a scoping study to evaluate whether unconventional critical element resources may be associated with sediment-hosted copper systems in the Midcontinent Rift. We report abundances of trace elements in native copper and sulfide minerals in 12 thin sections from samples of the Mesoproterozoic lower Nonesuch Formation that were collected from underground exposures in the White Pine deposit. Approximately 350 spots were analyzed for Cu, Pb, Zn, Fe, Ni, Co, As, Sb, Ag, Hg, and S. The electron microprobe data were collected by personnel of the Central Region Minerals Program in Denver, Colorado, for the U.S. Geological Survey... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Ag, Antimony, Arsenic, As, Central Region Minerals Program, All tags... Co, Cobalt, Copper, Cu, Economic Geology, Fe, GGGSC, Geochemistry, Geology, Geophysics, and Geochemistry Science Center, Hg, Iron, Keweenaw Peninsula, Lead, MRP, Mercury, Michigan, Midcontinent Rift, Mineral Resources, Mineral Resources Program, Ni, Nickel, Ontonagon County, Pb, S, Sb, Silver, Sulfur, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), White Pine, White Pine Mine, White Pine sediment-hosted copper deposit, Zinc, Zn, chemical analysis, critical elements, electron microprobe, geochemistry, geoscientificInformation, mineral chemistry, mineral resources, mineral resources, mineralogy, sediment-hosted copper, Fewer tags Electron microprobe analyses of hydrothermal muscovite crystals from gold-bearing quartz veins of the Klamath Mountains, California, 2014 and 2019 (ver. 1.1, June 2022) This data release provides geochemical results of in situ electron probe microanalyses of hydrothermal muscovite associated with gold-bearing quartz veins from the Klamath Mountains, California. Samples were collected from eight different mines in the summer of 2013 and electron probe microanalyses were carried out May 27, 2014 and November 12, 2019. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, EPMA, Economic Geology, GGGSC, Geochemistry, All tags... Geology, Geophysics, and Geochemistry Science Center, Klamath Mountains, MRP, Mineral Resources Program, Shasta County, Siskiyou County, USGS Science Data Catalog (SDC), chemical analysis, electron microprobe, electron probe microanalysis, geochemistry, geoscientificInformation, hydrothermal processes, mineral resources, mineralogy, Fewer tags Tephra geochemistry of the Ibex Hollow Tuff, a 12-Ma super-eruption These tables contain geochemical data collected for tephra samples either correlated with or in the same type section with the Ibex Hollow Tuff. Most samples were collected by Andrei Sarna-Wojcicki and Mike Perkins, but some were submitted to the U.S. Geological Survey Tephrochronology Project for analysis by other persons. Electron microprobe analysis (EMA) was performed at the U.S. Geological Survey in Menlo Park California, at the University of Utah in Salt Lake City Utah, and at the University of Toronto in Toronto Ontario Canada. Bulk glass EMA results have been normalized to 100% anhydrous following standard normalization procedures. Individual shard analyses are unnormalized. Instrumental neutron activation... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, California, Geochemistry, Idaho, Kansas, All tags... Montana, Nebraska, Northwest Pacific, Pacific, USGS Science Data Catalog (SDC), Utah, Volcanology, chemical analysis, electron microprobe, geochemistry, geoscientificInformation, instrumental neutron activation analysis, laser ablation inductively-coupled plasma mass spectroscopy, tephra, Fewer tags