| Deposit ID | 60000870 |
|---|---|
| MRDS ID | ISM0766 |
| Record type | District |
| Current site name | Duluth Gabbro |
| Alternate or previous names | Tucker Lake |
| Geographic coordinates: | -91.50016, 47.5 (WGS84) |
|---|---|
| Relative position | CENTROID OF THE AREA OF THE DULUTH GABBRO HOSTING KNOWN DEPOSITS (RF3) |
Political divisions (FIPS codes)
Lake(county)
Minnesota(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Whyte(quadrangle 1:24,000 scale)
Two Harbors(quadrangle 1:100,000 scale)
Two Harbors(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Rainy Headwaters(hydrologic unit)
Rainy(hydrologic accounting unit)
Rainy(hydrologic subregion)
Souris-Red-Rainy(hydrologic region)
Federal lands
Superior National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Minnesota | St. Louis |
| United States | Minnesota | Lake |
| United States | Minnesota | Cook |
| (1) | -91.50016, 47.5 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | STRATIFIED GABBRO |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Discovery year | 1870 |
GROUT, F.F., 1950, THE TITANIFEROUS MAGNETITES OF MINNESOTA; ST. PAUL, MINNESOTA, OFFICE OF THE COMMISSIONER OF THE IRON RANGE RESOURCES AND REHABILITATION, 117P.
ANON., 1978, M INNESOTA REPORT ON COPPER-NICKEL-TITANIUM STUDY: SKILLINGS MINING REVIEW, V. 67, NO. 7, P. 10.
PETERSON, E.C., 1966, TITANIUM RESOURCES OF THE UNITED STATES: US BUREAU OF MINES INFORMATION CIRCULAR 8290.
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.