| Deposit ID | 10204769 |
|---|---|
| MAS/MILS ID | 0550030001 |
| Record type | Site |
| Current site name | Berkshire Mine |
| Alternate or previous names | Pioneer Mine |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -90.62403, 46.3011 (WGS84) |
| Elevation | 511 |
Political divisions (FIPS codes)
Ashland(county)
Wisconsin(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mount Whittlesey(quadrangle 1:24,000 scale)
Ironwood(quadrangle 1:100,000 scale)
Ashland(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Bad-Montreal(hydrologic unit)
Southwestern Lake Superior(hydrologic accounting unit)
Western Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Wisconsin | Ashland |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 4th Principal | 044 N | 002 W | 09 | C SESW | Wisconsin |
| Commodity | Importance |
|---|---|
| Iron | Tertiary |
| Ore Body (1) | -90.62403, 46.3011 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1922 |
| District name | Gogebic Iron District |
|---|
| Type of mineral rights | Fee Ownership |
|---|---|
| Type of mineral rights | Private Lease |
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0550030001 |
| Subject category | Comment text |
|---|---|
| Deposit | REC 020- PIONEER MINING CO. WAS A FORMER OPERATOR. ORE IS A OF HEMATITE AND MAGNETITE, WHICH WAS CONCENTRATED BY MAGNETI SEPERATION. 3871 TONS WERE SHIPPED BETWEEN 1922 AND 1924. THIS DEPOSIT WAS EVALUATED UNDER PENOKEE DEPOSIT - SEQ. NO. 055-003-0011. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 25-NOV-1983 | Eastern Field Operations Center (EFOC) | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.