Zircon U-Pb geochronology and whole rock geochemistry for pre-ignimbrite volcanoes within the San Juan locus of the mid-Cenozoic Southern Rocky Mountain volcanic field, Colorado

This U.S. Geological Survey (USGS) data release provides whole rock major, minor, and trace element geochemical data and zircon U-Pb geochronology and trace element...本美国地质调查局（USGS）数据发布提供了全岩主量、次要及痕量元素地球化学数据，以及锆石U-Pb年代学与痕量元素……