| Deposit ID | 10014910 |
|---|---|
| MRDS ID | D012018 |
| Record type | Site |
| Current site name | Balmount Atlanta Tunnel |
| Alternate or previous names | Silver King Coalition Group, United Park City Mines, Balmount-Atlanta Tunnel |
| Geographic coordinates: | -111.54106, 40.61633 (WGS84) |
|---|---|
| Elevation | 2880 |
| Relative position | 1000 FT N13W FROM JUPITER HILL |
Political divisions (FIPS codes)
Summit(county)
Utah(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Brighton(quadrangle 1:24,000 scale)
Salt Lake City(quadrangle 1:100,000 scale)
Salt Lake City(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Weber(hydrologic unit)
Weber(hydrologic accounting unit)
Great Salt Lake(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Utah | Summit |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Salt Lake | 002S | 004E | 30 | SE OF SE OF NW | Utah |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Silver | Primary |
| Zinc Critical | Primary |
| Gold | Secondary |
| Copper | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Pyrite | Unknown |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
| Rock unit name | Crescent Dike | ||||||
| Rock description | Crescent Dike | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Rock unit name | Thaynes Formation;Ankareh Formation |
| Rock description | Thaynes Formation;Ankareh Formation |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | Alluvium and colluvium |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Uinta-Cottonwood Arch, Sevier Overthrust Belt, Iron Hollow Syncline |
| Type of structure | Local |
| Structure description | Northeast Striking Crescent Fault Zone |
| General form | VEIN |
|---|
| General form | VEIN |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1875 |
| District name | Park City District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | United Park City Mines Co. |
| Type of workings | Surface/Underground |
|---|---|
| Length | 365.76M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D012018 |
ERICKSON, A.J., (EDITOR), 1968, PARK CITY DISTRICT, UTAH: GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 22, UTAH GEOLOGICAL SOCIETY.
BUTLER, B.S., LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 111, 672 PP.
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: LATE 1800'S |
| Deposit | BALMOUNT SHAFT AREA, OTHERWISE KNOWN AS THE SILVER HILL SHAFT AREA, PRODUCED 811,382 TONS OF ORE GRADING .019 OZ/TON AU, 7.50 OZ/TON AG, 11.33% PB, 6.01% ZN, AND .19% CU. SOME OF THIS PRODUCTION MAY HAVE COME FROM THE BALMOUNT-ATLANTA TUNNEL. ; INFO.SRC : 1 PUB LIT |
| Deposit | SEVERAL EAST-WEST STRIKING FISSURES ARE EXPOSED IN THE TUNNEL. ONE FISSURE, LOCATED 700 FT FROM THE PORTAL, SHOWED GOOD STAINING AND SOME MINERALIZATION. AS OF 1903 NO ORE HAD BEEN FOUND. DEVELOPMENT MAY HAVE BEEN DONE HERE DURING THE ACTIVITY AT THE ADJACENT SILVER HILL SHAFT. PRESUMABLY BOTH VEIN AND REPLACEMENT TYPES OF MINERALIZATION ARE PRESENT, REPLACEMENTS BEING LOCATED IN THE THAYNES FORMATION |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1984 | Shubat, Michael A. | Utah Geological and Mineral Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.