| Deposit ID | 10070071 |
|---|---|
| MRDS ID | W012735 |
| Record type | Site |
| Current site name | Birchtree |
| Alternate or previous names | Birch Tree |
| Geographic coordinates: | -97.91715, 55.70007 (WGS84) |
|---|
Political divisions (FIPS codes)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Canada | Manitoba |
| Commodity | Importance |
|---|---|
| Nickel Critical | Primary |
| Copper | Primary |
| Cobalt Critical | Secondary |
| Gold | Tertiary |
| Silver | Tertiary |
| PGE Critical | Tertiary |
| Selenium | Tertiary |
| Tellurium Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Magnetite | Ore |
| Pentlandite | Ore |
| Pyrrhotite | Ore |
| Chlorite | Gangue |
| Model code | 12 |
|---|---|
| USGS model code | 6b |
| Deposit model name | Dunitic Ni-Cu |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Schist | ||||
| Rock unit name | Pipe Metasedimentary Band | ||||
| Rock description | Pipe Metasedimentary Band | ||||
| |||||
| (1) | -97.91715, 55.70007 |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1964 |
| Year of first production | 1969 |
| Year of last production | 1977 |
| District name | Thompson Nickel Belt |
|---|
| Type | Operator |
|---|---|
| Owner | Inco |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W012735 |
SKINNER, WALTER R., 1975, MINING INTERNATIONAL YEARBOOK; THE FINANCIAL TIMES, LONDON, P. 302.
CANADIAN MINES HANDBOOK 1974 - 1975, 1974, THE NORTHERN MINER, P. 166
ENG. MINING JOUR., 1975, 1975 INTERNAC DIRECTORY OF MINING: NEW YORK, MCGRAW - HILL, P. 185
DEYOUNG AND OTHERS, 1985: U.S. GEOLOGICAL SURVEY CIRCULAR 930-D, 62 P.
CROCKETT AND OTHERS, 1987: U.S. GEOLOGICAL SURVEY CIRCULAR 930-F, 54 P.
FOGWILL, DOUGLAS, AND BAMBURAK, JAMES, 1987, MINING IN MANITOBA: MANITOBA ENERGY AND MINES, MINERAL EDUCATION SERIES, 46 P.
ENGINEERING & MINING JOURNAL, 1988, V. 189, NO. 12, P. 64.
| Subject category | Comment text |
|---|---|
| Deposit | INTERNATIONAL NICKEL CO. - BEGAN PRODUCTION 1969, AT 1,300,000 M.T.P.Y. PRODUCTION, REDUCED JAN. 1972. COORDINATES ARE FOR THOMPSON. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-1975 | Shaffer, Glenn L. | U.S. Geological Survey | |
| Updater | 01-NOV-1987 | Orris, Greta J. | U.S. Geological Survey | |
| Updater | 01-JUN-1989 | Bolm, Karen S. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:
Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.