| Sample Number | SO10493 |
|---|
| Reference Number | IC9103 - concentrates |
|---|---|
| Citation | IC 9103 |
| Laboratory | U.S. Bureau of Mines Laboratory, Juneau, AK |
| Description | Heavy mineral concentrates were isolated by panning at selected stream channels across the Darby Mountains. Samples were analyzed for concentrations of Nb, Sn, Th, U, and W using semi-quantitative x-ray spectroscopy techniques. No further information given. |
| Sample Type | pan concentrate |