| Deposit ID | 10133181 |
|---|---|
| MAS/MILS ID | 1220400006 |
| Record type | Site |
| Current site name | Griffith Mine |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -93.38025, 50.82001 (WGS84) |
| Elevation | 350 |
Political divisions (FIPS codes)
Alaska(state)
United States(country)
North America(continent)
Land(continent)
| Country | State |
|---|---|
| Canada | Ontario |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Unknown |
| Jasper | Unknown |
| Magnetite | Unknown |
| Quartz | Unknown |
| Ore Body (1) | -93.38025, 50.82001 |
|---|
| Thickness | 330M | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 600M | ||||||||||||||||||||||||||
| Width | 120M | ||||||||||||||||||||||||||
| Depth to top | 30M | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1924 |
| Year of first production | 1968 |
| District name | Red Lake District |
|---|
| Type of mineral rights | Unknown |
|---|
| Type | Owner |
|---|---|
| Owner | Steel Co. Of Canada |
| Interest | 100 |
| Home office | Canada |
| Year | 1975 |
| Type | Operator |
|---|---|
| Owner | Pickands Mather And Co. |
| Home office | Ohio |
| Year | 1975 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1970 | ||||||||||||||
| Measured | 141570000mt ore | ||||||||||||||
| Demonstrated | 141570000mt ore | ||||||||||||||
| Total resources | 141570000mt ore | ||||||||||||||
| |||||||||||||||
| Type of workings | Surface | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 1220400006 |
JEFFRIES, J.D., THE GRIFFITH MINE STORY - HISTORY OF THE
GRIFFITH MINE; CIM BULL., NOV., 1970, P.1272 - 1275.
EBERTS, B.R., THE GRIFFITH MINE STORY - PELLETIZING AT THE
GRIFFITH MINE; CIM BULL.,NOV., 1970, P.1285-1288.
GEDDES, J. RONALD, THE GRIFFITH MINE STORY - ORE DRESSING AT
THE GRIFFITH MINE; CIM BULL., NOV., 1970, P.1282-1285.
JEFFRIES, J.D., J.R. GEDDES, B.R. EBERTS AND L.E. PRICE,
THE GRIFFITH MINE-STEEL COMPANY OF CANADA, D.E. PICKETT,
ED., IN MILLING PRACTICE IN CANADA, CIM SPECIAL VOLUME
16, 1978, P.240, 245.
WESTERN MINER, BIG DREDGE USED TO UNCOVER IRON ORE AT
OPEN-PIT MINE; MARCH, 1974, P.33-34.
SCHELSKE, J.E., THE GRIFFITH MINE STORY - MINING AT THE
GRIFFITH MINE; CIM BULL., NOV., 1970, P.1279 - 1282.
WILSON, D.M., THE GRIFFITH MINE STORY - DREDGING AND DYKING
AT THE GRIFFITH MINE; CIM BULL., NOV., 1970, P. 1275 - 12
REF-WESTERN MINER,MARCH,1974,PP33-34
REF-"THE GRIFFITH MINE STORY", CIM BULL,NOV70 P1271-88 A106
| Subject category | Comment text |
|---|---|
| Deposit | 75-RCD-060-IRON FORMATION CONSISTS OF BEDDED IRON OXIDE HORI INTERFINGERED WITH BIOTITE SCHISTS AND GREYWACKES WITH WHOLE ASSEMBLAGE HIGHLY FOLDED AND PLUNGING 35DE N30DE 75-RCD-111-ESTIMATED 30 YEAR MINE LIFE AT 4.82 MILLION METRI OF CRUDE ORE EQUALS 145 MILLION TONS RESERVES AS OF JUN RESERVES AS OF END 1975 IS EQUAL TO 108.9 MILLION METRI 75-RCD-130-PREPRODUCTION DREDGINGOF GLACIAL TILL AND CLAY IS MILLION CU.METERS. TOTAL DREDGING WILL AMOUNT TO 13 MM 75-RCD-130-EST. CAPITAL INVESTMENT IS $62 MILLION. MILL & MI 75-RCD-151-IRON PELLETS CONTAIN 66.3% FE & 4.5% SILICA. 75-RCD-160-PELLETS ARE SHIPPED FROM MILL TO THUNDER BAY BY R THEN BY SHIP TO STELCO:S HILTON WORKS AT HAMILTON,ONTAR |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Porter, Kenneth E. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.