| Deposit ID | 10163017 |
|---|---|
| MAS/MILS ID | 0060170030 |
| Record type | Site |
| Current site name | Steele |
| Related records | 10030390 |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -121.07823, 38.76819 (WGS84) |
| Elevation | 220 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
El Dorado(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pilot Hill(quadrangle 1:24,000 scale)
Sacramento(quadrangle 1:100,000 scale)
Sacramento(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
South Fork American(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | El Dorado |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 011 N | 008 E | 34 | NWNENW | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Unknown |
| Magnetite | Unknown |
| Olivine | Unknown |
| Pyroxene | Unknown |
| Serpentine | Unknown |
| Main Entrance (1) | -121.07823, 38.76819 |
|---|
| Strike | N45E | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 75E | ||||||||||||||||||||||||||||||||||
| Thickness | 15M | ||||||||||||||||||||||||||||||||||
| Length | 90M | ||||||||||||||||||||||||||||||||||
| Width | 30M | ||||||||||||||||||||||||||||||||||
| Area | 5HA | ||||||||||||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1914 |
| District name | Pilot Hill Area |
|---|
| Type of mineral rights | Patented |
|---|---|
| Type of mineral rights | Minerals Only |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Dobbas, A. B. (Surface Rights) |
| Interest | 100 |
| Home office | California |
| Year | 1976 |
| Type | Owner |
|---|---|
| Owner | M. L Harr Et Al,1976,Owner Of Mineral Rights |
| Interest | 100 |
| Home office | California |
| Year | 1976 |
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1918 | |||||||||||||||||||||
| Inferred | 2000mt ore | |||||||||||||||||||||
| Total resources | 6000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060170030 | |
| USGS | Mineral Resources Data System | MRDS | M008461 | MAS references MRDS |
COOP WAR MINERALS INVESTIG. EL DORADO CO.NO. 18,1918, TALIA
CATER,CALIF.DIV MINES BULL 134,PT 3,CH 4, PP 148-150, 1951
PART OF PILLIKIN MINE
| Subject category | Comment text |
|---|---|
| Deposit | CATER ESTIMATES THAT REMAINING ORE AVERAGES NO MORE THAN 10 T CR2O3. CR/FE RATIO UNKNOWN,BUT CLOSE TO 1.6 TO 1 ESTIMATED RESERVES FROM RECORD 701 -INSUFFICIENT RESOURCE FO ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 06.06,CR2O3 34.71,FEO 12.34,TOTAL FE 21.96,AL203 11.19,MGO CR/FE 1.39.DISSEMINATED ORE=S102 11.38,CR2O3 31.06,FEO 14.69 FE 24.12,AL203 06.63,MGO 13.02,CR/FE 1.13. |
| General | MAS had this site linked to an old MRDS site which was a gold placer. Causey deleted the link. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-84 | Wetzel, Nicholas | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.