| Deposit ID | 10071348 |
|---|---|
| MRDS ID | W014682 |
| Record type | Site |
| Current site name | Headlight Mine |
| Alternate or previous names | Moorlight Group |
| Related records | 10196703 |
| Geographic coordinates: | -113.26759, 46.33545 (WGS84) |
|---|---|
| Elevation | 1780 |
| Relative position | IN TOWN OF TOWER. |
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 |
| Manganese Critical | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Copper | Ore |
| Galena | Ore |
| Lead | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Limonite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Realgar | Gangue |
| Result | SORTED ORE SAID TO CARRY UP TO 200 OZ/TON AG, 6% CU, AND 7% PB. IN 1918 38-48% MN |
|---|---|
| Result | 1940'S 52-56% MN |
| 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 Jefferson Limestone;Maywood Formationmaywood Formation |
| Rock description | Jefferson-Limestone Jefferson Limestone;Maywood Formationmaywood Formation |
| (1) | -113.26759, 46.33545 |
|---|
| 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 60 W |
| Dip | 60 S |
| Width | 3M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Year of first production | 1878 |
| District name | Philipsburg (Granite-Flint Creek) District |
|---|
| Type | Operator |
|---|---|
| Owner | Taylor - Knapp Co. |
| Type | Owner |
|---|---|
| Owner | Taylor-Knapp Co., Philipsburg, Mt |
| Type of workings | Underground |
|---|---|
| Length | 16000M |
| Overall depth | 200M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W014682 |
USGS BULL 922-G, P. 157-204.
USBM REP INVES 4723, 57 P.
USGS BULL 725, P. 146-174.
USGS PP 78, P. 210.
USGS BULL 1237, P. 31-57, PLATES.
USBM RI 4723, MINERALS YEARBOOKS, USGS BULL. 922-G, USGS PP 78, P. 210.
| Subject category | Comment text |
|---|---|
| Deposit | MN ORE BODIES ADJACENT TO SMALL NW-TRENDING VEINS, MAINLY HEADLIGHT AND SOUNDER VEINS. NUMEROUS SMALL SLIPS AND VEINLETS ALSO INFLUENCE DEPOSITION. HEADLIGHT HAS BEEN MINED MORE THAN 300 M DOWN DIP. MN DEPOSIT IS TABULAR FROM 3-6 FT THICK, REPLACES LIMESTONE IN THE MAYWOOD FM. THE MN VEINS HAVE A STRIKE OF N 55-72 W AND A DIP OF 45-85 S, THE LESSER DIPS APPEARING ON THE LOWER LEVELS. THERE ARE SHEETED ZONES TRENDING N 60-80 W AND DIPPING STEEPLY THROUGHOUT THE MINE. |
| Deposit | First Production Year: 1878 AG, 1917 MN |
| 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.