Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the Porcupine River drainage, northeastern Alaska
This report and digital data release presents 90 new geochemical analyses on historic U.S. Bureau of Mines (USBM) samples, including 56 rock, 16 sediment, 5 soil, and 12 heavy mineral concentrate (pan concentrate) samples, as well as 1 sample of indeterminate type. Some of these samples were originally collected by …