https://www.usgs.gov/data/isotopic-geochronologic-and-soil-temperature-data-holocene-and-late-pleistocene-soil
This data release contains radiocarbon dates and clumped isotope ratios for soil carbonates as well as observed soil temperatures for study sites in the San...
soil temperatureisotopicgeochronologicdataholocene
https://www.usgs.gov/publications/two-event-genesis-butte-lode-veins-geologic-and-geochronologic-evidence-ore-veins
The long-standing ore-genesis model for world-class deposits of the Butte mining district, Montana, is of deep pre-Main Stage porphyry Cu-Mo and overlying Main...
twoeventgenesisbuttelode