| Deposit ID | 10019289 |
|---|---|
| MRDS ID | DC09391 |
| Record type | Site |
| Current site name | Moonlight |
| Alternate or previous names | Sunlight Mine |
| Geographic coordinates: | -113.13924, 46.42572 (WGS84) |
|---|---|
| Relative position | 2.2 KM NE OF PRINCETON. |
Political divisions (FIPS codes)
Granite(county)
Montana(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Maxville(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)
Federal lands
Beaverhead-Deerlodge National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Montana | Granite |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Montana Principal | 008N | 012W | 20,29 | Montana |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Copper | Secondary |
| Lead | Secondary |
| Phosphorus-Phosphates | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Result | 32.67 % P OXIDE IN 5.2 FT BED. 23.88 % P OXIDE IN 11.2 FT BED. |
|---|
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Phosphorite | ||||
| Rock unit name | Phosphoria Formation (Retort Member) | ||||
| Rock description | Phosphoria Formation (Retort Member) | ||||
| |||||
| (1) | -113.13924, 46.42572 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Philipsburg Batholith |
| Type of structure | Local |
| Structure description | Douglas Mountain Anticline |
| Thickness | 1.58M |
|---|---|
| Length | 8046.5M |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| District name | Princeton (South Boulder Creek) District |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | Robinson, William J. |
| Home office | 2920 Floral Blvd., Butte, Mt. |
| Year | 1945 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | Post-1945 | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Cp_Grade: ^32.1% P205 4.3% Moisture | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | DC09391 |
MBMG SP 25, P. 7.
MBMG BULL 58, P. 16.
USFS MAP, DEER LODGE NATL. FOREST, 1953.
MBMG BULL 100, P. 9.
USBM RI 6611, P. 59, 63-4.
USBM RI 6611, P. 65
USBM R1 6611; P. 65.
| Subject category | Comment text |
|---|---|
| Deposit | WEAKLY MINERALIZED FAULT BREECIA WAS MINED FOR CU, PB, AG, AU. THE RETORT MEMBER IS ABOUT 12 FT THICK AND CONSISTS OF INTERBEDDED LAYERS OF PHOSPHORITE, PHOSPHATIC MUDSTONE, AND CALCAREOUS MUDSTONE. IT IS EXPOSED FOR A STRIKE LENGTH OF 150 FT UNDERGROUND, AND CAN BE TRACED ON THE SURFACE FOR A DISTANCE OF 5 MI N. THE MINING SECTION LIES BETWEEN A CHERTY HANGING WALL AND A MUDSTONE FOOTWALL. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1974 | Unknown | U.S. Geological Survey | |
| Updater | 01-OCT-1982 | Wise, Kristine K. (Elliott, James E.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.