| Deposit ID | 10019730 |
|---|---|
| MRDS ID | DC11296 |
| Record type | Site |
| Current site name | Little Anaconda Group |
| Alternate or previous names | Velvet Adit |
| Geographic coordinates: | -114.86654, 47.26932 (WGS84) |
|---|---|
| Elevation | 1341 |
| Relative position | 8.8 MI S - SW OF PARADISE |
Political divisions (FIPS codes)
Mineral(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Quinns Hot Springs(quadrangle 1:24,000 scale)
Plains(quadrangle 1:100,000 scale)
Wallace(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Clark Fork(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Lolo National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Mineral |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 018N | 026W | 35 | S2 | Montana |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Silver | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Barite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||||
| Rock unit name | Wallace Formation | ||||
| Rock description | Wallace Formation | ||||
| |||||
| (1) | -114.86654, 47.26932 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | On Southern Limb Of Keystone Syncline. Region Has A Structural Grain Of Nw Trending Faults And Folds. |
| Type of structure | Local |
| Structure description | Small Scale Nw Trending Faults. |
| General form | DISCONTINUOUS PODS AND VEINLETS |
|---|---|
| Strike | N55W |
| Dip | SW |
| Width | 1.22M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Iron Mountain District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Sunrise Silver Mines |
| Type | Owner |
|---|---|
| Owner | Hugh G. King And O.B. Anderson |
| Year | 1942 | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accuracy | Accurate | ||||||||||||||||||||||||||||
| Description | Ap_Grade: ^2.84 Oz/Ton Ag, 6.79 % Pb, 12.2 % Zn | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Year | 1952 | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accuracy | Accurate | |||||||||||||||||||||||||||||||||||
| Description | Ap_Grade: ^9.77 Oz/Ton Ag, 0.184 % Cu, 5.09 % Pb, 0.52 % Zn | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Year | 1953 | |||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1901 - 1953 | |||||||||||||||||||||||||||||||||||
| Accuracy | Accurate | |||||||||||||||||||||||||||||||||||
| Description | Cp_Grade: ^5.01 Oz/Ton Ag, 0.62 % Cu, 6.62 Oz/Ton Pb, 8.44 Oz/Ton Zn | |||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||
| Type of workings | Underground |
|---|---|
| Length | 609.6M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC11296 |
CAMPBELL, A. B., 1960 , GEOLOGY AND MINERAL DEPOSITS OF THE ST. REGIS - SUPERIOR AREA MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1082-I, PP. 593 - 595 .
LAWSON, D. C., 1978 , DIRECTORY OF MINING ENTERPRISES FOR 1977 : MONTANA BUREAU OF MINES AND GEOLOGY BULL. 107 , P. 16 .
CONSV. DIV. COMP. DATE, 02-08-1963
CAMPBELL, A. B., 1960 : US GEOLOGICAL SURVEY BULL. 1082-I , P. 595 .
| Subject category | Comment text |
|---|---|
| Deposit | ORE WITHIN A ZONE OF SHEARING PARALLEL TO CLEVAGE; VEIN MINERALS OCCUR AS REPLACEMENTS ALONG CLEAVAGE PLANES IN THE SILICIFIED COUNTRY ROCK. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-JUN-1979 | Rojstaczer, Stuart A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.