| Deposit ID | 10073134 |
|---|---|
| MRDS ID | W018978 |
| Record type | Site |
| Current site name | Geco Mine |
| Alternate or previous names | Manitouwadge Mine |
| Geographic coordinates: | -85.74995, 49.15001 (WGS84) |
|---|---|
| Relative position | 265 KM ENE OF PORT ARTHUR, 1.5 KM NORTH OF MANITOUWADGE LAKE, GEMMELL TWP. |
Political divisions (FIPS codes)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Canada | Ontario |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Zinc Critical | Primary |
| Silver | Primary |
| Gold | Secondary |
| Lead | Secondary |
| Cadmium | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Muscovite | Gangue |
| Pyrite | Gangue |
| Pyrrhotite | Gangue |
| Quartzite | Gangue |
| Sericite | Gangue |
| Result | RESERVES AVERAGE 3.98% ZN, 1.9% CU, 57 G/MT AG IN 1973 |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Schist | ||||
| Rock unit name | Quartz Muscovite Schist | ||||
| Rock description | Quartz Muscovite Schist | ||||
| |||||
| (1) | -85.74995, 49.15001 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Manitouwadge Syncline |
| Type of structure | Local |
| Structure description | Strike Faults And Fox Creek Fault. S Shaped Drag Fold At West End |
| General form | LENTICULAR |
|---|---|
| Strike | E - W |
| Dip | VERTICAL |
| Length | 730M |
| Width | 60M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1953 |
| Discoverer | Geco Mines Ltd |
| Year of first production | 1957 |
| District name | Manitouwadge Area, Thunder Bay Dist., Port Arthur Mining Div. |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Noranda |
| Year | 1972 |
|---|---|
| Material | PB |
| Accuracy | Accurate |
| Description | Ap_Grade: ^Metal Cont In Conc. (78, 691 Kg Ag) |
| Year | 1973 |
|---|---|
| Period | 1957-1973 |
| Material | CU |
| Accuracy | Accurate |
| Description | Cp_Grade: ^Cu Metal Produced (1,033,459 Kg Ag) |
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1973 | ||||||||||||||||||||||||||||
| Total resources | 26490000000mt ore | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Overall depth | 1321M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W018978 |
BROWN, W. L., BRAY, R. C. E., 1960, THE GEOLOGY OF THE GECO MINE; CAN MINING & METALL. BULL. 573 P 3 - 11
PYE, E. G., 1955, PRELIM. REPT. ON GEOL. MANITOUWADGE LAKE AREA; ONT. DEPT. MINES, GEOL. CIRC. NO. 3, 9 PAGES
1953 DIREXPL GECO - ORE FOUND WORTH $293 MIL
CANADIAN MINES HANDBOOK 1974-75, P 245, 248
CANADIAN MINES HANDBOOK 1974-75, P 246.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1976 | Schruben, Paul G. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.