| Deposit ID | 10105988 |
|---|---|
| MRDS ID | W026532 |
| Record type | Site |
| Current site name | Dakotah Mine |
| Alternate or previous names | Dakota Mine |
| Geographic coordinates: | -110.72501, 46.94463 (WGS84) |
|---|---|
| Elevation | 1999 |
| Relative position | 1 MILE NORTHEAST OF NEIHART, MONTANA AT THE HEAD OF ROCK CREEK |
Political divisions (FIPS codes)
Cascade(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Neihart(quadrangle 1:24,000 scale)
White Sulphur Springs(quadrangle 1:100,000 scale)
White Sulphur Springs(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Belt(hydrologic unit)
Upper Missouri(hydrologic accounting unit)
Missouri-Marias(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Helena-Lewis and Clark National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Cascade |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 014N | 008E | Montana |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Zinc Critical | Primary |
| Lead | Primary |
| Gold | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Sphalerite | Ore |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
| Rock unit name | Pinto Diorite (Age Unknown) | ||||||
| Rock description | Pinto Diorite (Age Unknown) | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Light Colored Gneiss;Black Amphibolite-Gneiss |
| Rock description | Light Colored Gneiss;Black Amphibolite-Gneiss |
| (1) | -110.72501, 46.94463 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | East - West Arching Of Gneisses And Schists |
| Type of structure | Local |
| Structure description | Fissure In Light Colored Gneiss |
| General form | LINEAR |
|---|---|
| Strike | N 0 DEG E |
| Dip | 60 DEG W |
| Width | 2.44M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1883 |
| Year of first production | 1883 |
| District name | Neihart District |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | C. Bennett, J. Bennett, F. Clarke |
| Home office | Great Falls, Mt. |
| Type of workings | Underground |
|---|---|
| Length | 822.96M |
| Overall depth | 91.44M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W026532 |
ROBERTSON, A. F., 1951 , MINES AND MINERAL DEPOSITS (EXCEPT FUELS) CASCADE COUNTY MONTANA: U. S. BUREAU OF MINES INFORMATION CIRCULAR 7589 P 33 - 34
WEED, W. H., 1900 , GEOLOGY OF THE LITTLE BELT NOUNTAINS, MONTANA: U. S. GEOLOGICAL SURVEY 20TH ANNUAL REPORT PART 3 P. 432 - 433
ROBERTSON, A. F., 1951 , MINES AND MIN. DEP. (EXCEPT FUELS) CASCADE CO., MONT., P. 33
| Subject category | Comment text |
|---|---|
| Deposit | THE ATTITUDE OF THE VEIN CHANGES WITHIN THE DIORITE TO BETWEEN N 20 DEG E AND N 40 DEG E. THE VEIN VARIES IN WIDTH FROM 4 TO 8 FEET. VEIN NARROWS AND TIGHTENS WITHIN PINTO DIORITE |
| Deposit | RUN OF MINE ORE IN 1949 CONTAINED PB AND ZN IN A RATIO OF 2.5 TO 1. ZINC CONCENTRATE AVG. 52 PERCENT ZN, 3 - 4 PERCENT PB 0.5 OZ AU, 7 OZ. AG. LEAD CONCENTRATE AVG. 55 PERCENT PB, 6 - 9 PERCENT ZN 0.2 OZ AU AND 20 OZ. AG. AS OF 1949 WORKINGS IN GOOD CONDITION BUT TIGHTLY BARRICADED. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1977 | Mc Kenzie, Craig L.; R. B. Berg | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.