| Deposit ID | 10157758 |
|---|---|
| MAS/MILS ID | 1220100025 |
| Record type | Site |
| Current site name | Brandywine Mine |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -123.10132, 50.1298 (WGS84) |
| Elevation | 300 |
Political divisions (FIPS codes)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Canada | British Columbia |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Lead | Secondary |
| Silver | Primary |
| Zinc Critical | Secondary |
| Ore Body (1) | -123.10132, 50.1298 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Type of mineral rights | Located Claim |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Northair Mines, Ltd. |
| Home office | Canada |
| Year | 1975 |
| Type | In-situ | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1977 | |||||||||||||||||||||||||||||||||||
| Measured | 192000mt ore | |||||||||||||||||||||||||||||||||||
| Demonstrated | 192000mt ore | |||||||||||||||||||||||||||||||||||
| Total resources | 192000mt ore | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Type | In-situ | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1977 | |||||||||||||||||||||||||||||||||||
| Measured | 108000mt ore | |||||||||||||||||||||||||||||||||||
| Demonstrated | 108000mt ore | |||||||||||||||||||||||||||||||||||
| Total resources | 108000mt ore | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Type | In-situ | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1977 | |||||||||||||||||||||||||||||||||||
| Measured | 300000mt ore | |||||||||||||||||||||||||||||||||||
| Demonstrated | 300000mt ore | |||||||||||||||||||||||||||||||||||
| Total resources | 300000mt ore | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Type of workings | Underground | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 1220100025 |
WEBSTER, LEN, NORTHAIR- BUCKING THE TREND IN GOLD; CANADIAN
MINING JOURNAL, MAR., 1977, P. 50-55.
WESTERN MINER, A VISIT TO NORTHAIR MINES: OUTPUT AND
RECOVERIES IMPROVING; DEC., 1976, P. 30, 32.
| Subject category | Comment text |
|---|---|
| Deposit | 75-RCD-010-EXPECTED BEGINING PRODUCTION LATE 1975, 300TPD, 6 75-RCD-601-RESERVES FROM THREE ORE ZONES: WARMAN, MANIFOLD & DISCOVERY. 75-RCD-651-METALLURGICAL TESTING INDICATES THAT RECOVERY SHO 95%-PLUS FOR LEAD-ZINC, AND 90-95% FOR GOLD AND SILVER. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 21-OCT-1983 | Porter, Kenneth E. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.