| Deposit ID | 10157413 |
|---|---|
| MRDS ID | W032405 |
| MAS/MILS ID | 560070308 |
| Record type | District |
| Current site name | Bradley Peak Area (iron prospects) |
| Alternate or previous names | Iron Hill (includes), Patterson (Pattison) Basin (includes), includes St. Louis, Calcator, Red Oxide, Domingo, New Year, Boston, and Frozen Finger Lode claims, includes Midnight Iron, Grant Iron, Greeley Iron ahnd Hayes Iron placer claims, Seminoe Mountains iron prospects |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -107.05611, 42.15361 (WGS84) |
| Elevation | 2487 |
| Location accuracy | 2000(meters) |
| Relative position | Landslides on south side of Bradley Peak cover 3 to 6 sq. miles., approx. Probably within 1 mile. |
Political divisions (FIPS codes)
Carbon(county)
Wyoming(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Bradley Peak(quadrangle 1:24,000 scale)
Bairoil(quadrangle 1:100,000 scale)
Casper(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Pathfinder-Seminoe Reservoirs(hydrologic unit)
North Platte(hydrologic accounting unit)
North Platte(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Wyoming | Carbon |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 25N | 085W | 6, 7, 18 | Wyoming | |
| 6th Principal | 25N | 086W | 1, 12, 13 | Wyoming |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Magnetite | Ore |
| Jasper | Gangue |
| Result | See Bull. 50, p. 112 for assays. |
|---|
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone | ||||
| Rock type qualifier | Two series of greenstone on either side of an iron formation (jasper). | ||||
| |||||
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale | ||||
| Rock type qualifier | Cretaceous Lewis Shale is under the preCambrian greenstones that slid off Bradley Peak. | ||||
| Rock unit name | Lewis Shale | ||||
| |||||
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Chemical Sediment > Iron Formation | ||||
| Rock type qualifier | iron formation lies between two series of greenstones. | ||||
| Rock unit name | Iron Formation | ||||
| |||||
| Ore Body (1) | -107.05611, 42.15361 |
|---|
| Type of structure | Local |
|---|---|
| Structure name | Bradley Peak Thrust. Landslide. |
| General form | discontinuous |
|---|---|
| Thickness | 91.44M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| District name | Seminoe Mountains area |
|---|
| Ownership category | Private |
|---|
| Type of workings | Surface/Underground |
|---|---|
| Area | 777HA |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 560070308 | |
| USGS | Mineral Resources Data System | MRDS | W032405 | =newMRDS 10096585. Record has been merged and deleted. |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 560070383 | =newMRDS 10230373. Merged with this record and deleted. |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 560070382 | =newMRDS 10230161. Merged with this record and deleted. |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 560070384 | =newMRDS 10181924. Merged with this record and deleted. |
Osterwald and others, 1966, Mineral Resources of Wyoming: Geological Survey of Wyoming Bull. 50 [revised ed.], p. 111-112, 117.
Harrer, 1966, Wyoming iron-ore deposits: USBM IC-8315, p. 20-28.
Lovering, 1923, Iron-ore deposits of Carbon County, Wyoming: USGS Bull. 811-D, p. 219-234.
Osterwald and others, 1959, Mineral Resources of Wyoming: Geological Survey of Wyoming Bull. 50, p.101-102.
| Subject category | Comment text |
|---|---|
| Deposit | Itabiryte, a micaceous hematite, is reported "south of Bradley's Peak". [NO other information is provided]. |
| General | Rachel Barari's affiliation was incorrectly listed as USGS. ABW changed it to South Dakota Geological Survey. |
| Deposit | Bradley Peak area is included in section on Seminoe Mountains in Bull. 50, p. 111-112. |
| Deposit | 7 lode claims, 4 placer claims. |
| Deposit | "Lovering thought the iron formation a series of lenticular hot spring deposits." |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 1983-04-01 | Barari, Rachel A. | South Dakota Geological Survey | |
| Reporter | 1983-11-18 | Intermountain Field Operations Center (IFOC) | U.S. Bureau of Mines | |
| Editor | 2008-10-22 | Wilson, Anna B. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.