| Deposit ID | 10162972 |
|---|---|
| MRDS ID | M007302 |
| MAS/MILS ID | 0060170017 |
| Record type | Site |
| Current site name | Joerger Mine |
| Alternate or previous names | Joerger Property |
| Related records | 10029630 |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -121.07273, 38.6752 (WGS84) |
| Elevation | 274 |
| Location accuracy | 500(meters) |
Political divisions (FIPS codes)
El Dorado(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Clarksville(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 | 010 N | 008 E | 35 | SW | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Unknown |
| Olivine | Unknown |
| Pyroxene | Unknown |
| Serpentine | Unknown |
| Trench (1) | Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains) |
|---|
| Strike | N42E | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 80N | ||||||||||||||||||||||||||||||||
| Length | 46M | ||||||||||||||||||||||||||||||||
| Width | 18M | ||||||||||||||||||||||||||||||||
| Area | 1HA | ||||||||||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1918 |
| District name | Clarksville |
|---|
| Type of mineral rights | Patented |
|---|---|
| Type of mineral rights | Private Lease |
| Type of mineral rights | Minerals Only |
| Ownership category | Private |
|---|
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1951 | |||||||||||||||||||||
| Indicated | 3000mt ore | |||||||||||||||||||||
| Demonstrated | 3000mt ore | |||||||||||||||||||||
| Inferred | 7500mt ore | |||||||||||||||||||||
| Total resources | 15000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060170017 | |
| USGS | Mineral Resources Data System | MRDS | M007302 | MAS references MRDS |
CALIF JOUR OF MINES & GEOL V52 NO4 P387,CLARK AND CARLSON,19
CDM AND G BULL 134 PT3 SIERRA NEVADA CHAP4,P126,CATGR,195
COOPERATIVE WAR MINERALS INVEST IN CALIF UNPUBL REPORT,TALIA
918
| Subject category | Comment text |
|---|---|
| Deposit | ORE BODIES CUT OFF BY DIORITE DIKE RESERVES ESTIM 300 TON/FT DEPTH 10-15000 TONS 8% CR2O3.REC HOUSING DEVELOPMENT WITH IN 1 MILEOF MINE. ISUFFICIENT RESERVES DEVELOPED FOR COSTING E=S102 08.36,CR2O3 43.85,FEO 13.39,TOTAL FE 19.30,AL203 09.4 2.44,CR/FE 2.00 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | 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.