| Deposit ID | 10138591 |
|---|---|
| MRDS ID | M005468 |
| MAS/MILS ID | 0060070185 |
| Record type | Site |
| Current site name | Little Hope and Mary Jane Claims |
| Related records | 10028482 |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -121.44495, 39.79627 (WGS84) |
| Elevation | 695 |
| Location accuracy | 500(meters) |
Political divisions (FIPS codes)
Butte(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pulga(quadrangle 1:24,000 scale)
Chico(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
North Fork Feather(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
Federal lands
Plumas National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | Butte |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 022 N | 005 E | 05 | NW | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Unknown |
| Serpentine | Unknown |
| Talc | Unknown |
| Main Entrance (1) | -121.44495, 39.79627 |
|---|
| Strike | N80E | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 00S | ||||||||||||||||||||||||
| Thickness | 0M | ||||||||||||||||||||||||
| Length | 0M | ||||||||||||||||||||||||
| Width | 2.1M | ||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||
| |||||||||||||||||||||||||
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1942 |
| Year of first production | 1942 |
| District name | Big Bar Mountain |
|---|
| Type of mineral rights | Located Claim |
|---|
| Type | Owner-Operator |
|---|---|
| Owner | J. H. Brassell-1944 |
| Interest | 100 |
| Home office | California |
| Year | 1976 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060070185 | |
| USGS | Mineral Resources Data System | MRDS | M005468 | MAS references MRDS |
RYNEARSON,G.A,1953,CDM AND G BULL134,PT.3,CHAP.5,P.276
| Subject category | Comment text |
|---|---|
| Deposit | MUCH OF THE COUNTRY ROCK IS HIGHLY FRACTURED,AND THE MAIN WO ARE POSSIBLE IN A LANDSLIDE BLOCK. CHROME AVERAGING 41.15 PERCENT, AND 11.18 PERCENT FE, RATIO OF CR:FE=2.52 TO 1. PROBABLY CAME FROM THE LITTLE HOPE CLAIM, AND CHROME AVERAGING 36.83 PERCENT CR2 D 12.78 PERCENT FE PROBABLY CAME FROM THE MARY JANE CLAIM. INSUFFICIENT DATA FOR MATRIX CALCULATIONS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 22-MAY-1986 | Unknown | 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.