Tract ID | 003rfCu3004 | ||
---|---|---|---|
Country | United States of America | ||
Commodity | Cu | ||
Study area name | United States National Assessment, revised | ||
Deposit type | sediment-hosted stratabound copper | ||
Grade-tonnage model | Sediment-hosted stratabound copper—Reduced facies-nonbrecciated | ||
Geologic age |
|
Assessment date | 1998 |
---|---|
Estimators | Sandra Clark and Rob Robinson |
Assessment depth | 1km |
Quantitative assessment | Yes |
Number of deposits | Confidence level |
---|---|
1 | 90% |
2 | 50% |
3 | 10% |
3 | 5% |
3 | 1% |
Mean estimated deposits | 1.9 | ±0.84 | (43%) |
---|
Probability of mean | 0.25 |
---|---|
Probability of no copper | 0.07 |
Known deposits |
Total deposits |
Area (sq km) |
Deposit density per 100,000 sq km |
---|---|---|---|
1.9 | 11,566 | 16 |
Copper | 6,600,000 |
---|
Confidence level | 90% | 50% | 10% | 5% |
---|---|---|---|---|
Tonnage | 37,000 | 1,400,000 | 19,000,000 | 31,000,000 |
General | U.S. Geological Survey National Mineral Resource Assessment Team (2002) |
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Name | Type | State | Country | Details |
---|---|---|---|---|
Keller's Church | prospect | Pennsylvania | United States | Details |
Glenwood Station | prospect | Pennsylvania | United States | Details |
Red Hill | prospect | Pennsylvania | United States | Details |
Sterling | prospect | Virginia | United States | Details |
Chantilly | prospect | Virginia | United States | Details |
Brentsville | prospect | Virginia | United States | Details |
Calverton | prospect | Virginia | United States | Details |
Stevensburg | prospect | Virginia | United States | Details |