| Deposit ID | 10071347 |
|---|---|
| MRDS ID | W014681 |
| Record type | Site |
| Current site name | True Fissure Mine |
| Geographic coordinates: | -113.26564, 46.33489 (WGS84) |
|---|---|
| Elevation | 1798 |
| Relative position | 2.2 KM E OF PHILIPSBURG |
Political divisions (FIPS codes)
Granite(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Philipsburg(quadrangle 1:24,000 scale)
Philipsburg(quadrangle 1:100,000 scale)
Butte(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Flint-Rock(hydrologic unit)
Pend Oreille(hydrologic accounting unit)
Kootenai-Pend Oreille-Spokane(hydrologic subregion)
Pacific Northwest(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Montana | Granite |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 007N | 013W | 30 | Montana |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Manganese Critical | Primary |
| Copper | Secondary |
| Gold | Secondary |
| Arsenic Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Psilomelane | Ore |
| Sphalerite | Ore |
| Tennantite | Ore |
| Result | 30-40% MN, 30% SILICA |
|---|
| Model code | 72 |
|---|---|
| USGS model code | 19a |
| Deposit model name | Polymetallic replacement |
| Mark3 model number | 47 |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Marble |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Jefferson Limestone;Red Lion Formation |
| Rock description | Jefferson Lst;Red Lion Formation |
| (1) | -113.26564, 46.33489 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Philipsburg Batholith |
| Type of structure | Local |
| Structure description | Philipsburg Anticline, Philipsburg Overthrust |
| General form | TABULAR, LENTICULAR, PODS |
|---|---|
| Strike | N 90 E |
| Dip | 80 S |
| Length | 500M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | Yes |
| Year of first production | 1900 |
| District name | Philipsburg (Granite-Flint Creek) District |
|---|
| Type | Operator |
|---|---|
| Owner | Taylor - Knapp Co. |
| Type | Owner |
|---|---|
| Owner | Taylor - Knapp Co., |
| Home office | Philipsburg, Mt 59858 |
| Year | 1971 |
|---|---|
| Period | 1900-1971 |
| Material | Zn |
| Ore mined | 20411656.65mt |
| Accuracy | Accurate |
| Year | 1971 |
|---|---|
| Period | 1900-1971 |
| Material | Pb |
| Ore mined | 6803885.55mt |
| Accuracy | Accurate |
| Year | 1971 |
|---|---|
| Period | 1900-1971 |
| Material | Mn |
| Ore mined | 22679618.5mt |
| Accuracy | Accurate |
| Year | 1971 |
|---|---|
| Period | 1900-1971 |
| Material | Ag |
| Ore mined | 186620886g |
| Accuracy | Accurate |
| Year | 1971 |
|---|---|
| Period | 1900-1971 |
| Material | Cu |
| Ore mined | 680388.55mt |
| Accuracy | Accurate |
| Year | 1971 |
|---|---|
| Period | 1900-1971 |
| Material | Ore |
| Ore mined | 220462.2mt |
| Accuracy | Accurate |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 200M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014681 | |
| USGS | Mineral Resources Data System | MRDS | W014668 | From Deposit ID 10071335 (Scratch Awl Vein) |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300390030 | From Deposit ID 10123776 (Horton Mine, Imperial Mine) |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300390146 | From Deposit ID 10245967 (Durango & Moorlight Group) |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0300390029 | From Deposit ID 10173142 (Scratch All Mine) |
USGS BULL 922-E, P. 157-204.
USBM REP INVES 4723, 57 P.
USGS BULL 725, P. 146-174.
USGS PP 78, P. 211.
MBMG BULL 92, P. 10.
USGS BULL 1237, P. 15-30, PLATES.
USBM R.I. 4723, MINERALS YEARBOOKS, USGS BULL. 922-G
| Subject category | Comment text |
|---|---|
| Deposit | AT SOME PLACES SILICEOUS ORE MAKES OUT FROM THE FISSURE IN THE BEDDING OF THE COUNTRY ROCKS, AND AT THE SURFACE ABOVE THE TUNNEL LARGE KNOBS OF QUARTZ OUTCROP AT SEVERAL PLACES. THE VEIN ENDS AT THE CONTACT WITH THE GRANODIORTE. |
| Deposit | Merged data from Deposit ID's 10071335 (Scratch Awl Vein), 10123776 (Horton Mine, Imperial Mine), 10245967 (Durango & Moorlight Group), and 10173142 (Scratch All Mine) |
| Deposit | SCRATCH AWL VEIN-ALL VEINS CONTAIN PB-ZN ORE. THE MN ORE BODY IS PART OF A QUARTZ VEIN THAT TRENDS E AND DIPS 70 S. IT IS OF TABULAR FORM, 3-5 FT WIDE, WITH MINIMUM STOPE LENGTH OF 180 FT AND PITCH LENGTH OF 100 FT. 3 GROUPS OF VEINS THE CLIFF, THE HORTON AND THE SCRATCH AWL, MOST OF THE AG-ZN AND MN ORE HAS COME FROM VEINS OF THE CLIFF GROUP |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1976 | Krohn, Douglas H. | U.S. Geological Survey | |
| Updater | 01-NOV-1980 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.