| Deposit ID | 10019047 |
|---|---|
| MRDS ID | DC08403 |
| Record type | Site |
| Current site name | True Fissure Mine |
| Geographic coordinates: | -115.33294, 47.41765 (WGS84) |
|---|---|
| Elevation | 1341 |
| Relative position | 2.75 MILES NE OF DEBORGIA, MONT. |
Political divisions (FIPS codes)
Mineral(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
De Borgia North(quadrangle 1:24,000 scale)
Wallace(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 | 019N | 029W | 07 | SE | Montana |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Primary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Hematite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Siderite | Gangue |
| Result | SAMPLES TAKEN FROM THE LOWER ADIT ARE REPORTED TO CONTAIN 1-3 OZ/TON AG AND 5-10% OF LEAD |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||
| Rock unit name | Burke Formation;Revett Formation | ||
| Rock description | Burke Formation;Revett Formation | ||
| |||
| (1) | -115.33294, 47.41765 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | A Major Structural Grain Trends Nw And Consists Of Subparallel Faults And Folds. Major Fault Is The Osburn. This Fault Seems To Demarcate A Change In Folding Form With Folds To The North Showing Signs Of More Intense Structural Deformation Than Those To The South. |
| Type of structure | Local |
| Structure description | Owing To Its Proximity To The Osborn Fault Beds Are Greatly Deformed And Are In Tight, Overturned, Nearly Isoclinal Folds |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Unorganized |
|---|
| Ownership category | National Forest |
|---|
| Type | Operator |
|---|---|
| Owner | Day Mines, Inc. |
| Type of workings | Underground |
|---|---|
| Length | 853.44M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC08403 |
SRC.REF: WALLACE, R. E. AND HOSTERMAN, J. W., 1956 : US GEOLOGICAL SURVEY BULL. 1027-M
WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 607 .
CONSV. DIV. COMP. DATE, 02-15-1963
| Subject category | Comment text |
|---|---|
| Deposit | VEIN STRIKES NORTH WHICH IS UNUSUAL COMPARED TO OTHER VEIN TRENDS WITHIN THE REGION. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-MAY-1979 | Rojstaczer, Stuart A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.