Scientific Investigations Report 2007-5039
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007-5039
Table 11. Estimated amounts of contained metal and mineralized rock (metric tons) in placer gold deposits in tract PLACER1.
[EMINERS index: 80 ( Placer Au 39a). Mean number of deposits = 3.1. Abbreviations: Au, gold; Ag, silver]
| Quantile | Au | Ag | Rock |
|---|---|---|---|
| 0.95 | 0 | 0 | 0 |
| 0.90 | 0 | 0 | 12,000 |
| 0.50 | 1 | 0 | 16,000,000 |
| 0.10 | 9 | 0.3 | 125,400,000 |
| 0.05 | 13 | 0.6 | 180,000,000 |
| Mean | 3 | 0.1 | 42,000,000 |
| Probability of mean | 0.32 | 0.18 | 0.31 |
| Probability of zero | 0.07 | 0.50 | 0.07 |
U.S.
Department of the Interior | U.S. Geological
Survey
Persistent URL: https://pubs.water.usgs.gov/sir20075039/
Page Contact Information: Publications Team
Page Last Modified: Thursday, 01-Dec-2016 19:45:45 EST
