| Deposit ID | 10106528 |
|---|---|
| MRDS ID | X025376 |
| Record type | Site |
| Current site name | Gold Crown |
| Alternate or previous names | Wonder |
| Related records | 10262298 |
| Geographic coordinates: | -120.84297, 39.46489 (WGS84) |
|---|---|
| Relative position | 0.25 MI SOUTH OF ALLEGHANY |
Political divisions (FIPS codes)
Sierra(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Alleghany(quadrangle 1:24,000 scale)
Truckee(quadrangle 1:100,000 scale)
Chico(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Yuba(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
Federal lands
Tahoe National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | Sierra |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 019N}018N | 010E}010E | 34}03 | S2 OF SW4 (34); N2 OF NW4 (03) | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Platinum Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Siderite | Gangue |
| Result | PT DETECTED IN GOLD SAMPLES TO AS MUCH AS 60.7 PPM (AVERAGE 19.1 PPM) |
|---|
| Model code | 273 |
|---|---|
| USGS model code | 36a |
| Deposit model name | Low-sulfide Au-quartz vein |
| Mark3 model number | 27 |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| Rock unit name | Kanaka Formation;Kanaka Formation |
| Rock description | Kanaka Formation;Kanaka Formation |
| (1) | -120.84297, 39.46489 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Melones Fault Zone |
| Type of structure | Local |
| Structure description | Fault |
| General form | VEIN |
|---|---|
| Strike | N20W |
| Dip | 45-60 SW |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Alleghany District |
|---|
| Ownership category | National Forest |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | X025376 |
MCCULLOCH, W.C., OESTERLING, W.A., SPURCK, W.H., AND TISCHLER, M.S., 1964, MINERALS FOR INDUSTRY, NORTHERN CALIFORNIA: SUMMARY OF GEOLOGICAL SURVEY OF 1955-1961: SOUTHERN PACIFIC COMPANY, V. 2, P. 36.
J.K. BOHLKE, 1982, WRITTEN COMMUN. TO N.J PAGE, U.S. GEOLOGICAL SURVEY
MCCULLOCH AND OTHERS (1964)
| Subject category | Comment text |
|---|---|
| Deposit | TWO OTHER SMALL VEINS ON PROPERTY STRIKE N20W, DIP 45-60SW, AND N22W, DIP 50 SW. BOTH CONTAIN AN UNUSUALLY LARGE AMOUNT OF CALCITE AND SIDERITE. ORE SHOOTS ARE ASSOCIATED WITH CARBONATE WALLROCK ALTERATION |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAR-1979 | Hayden, F. (Albers, J.) | U.S. Geological Survey | |
| Updater | 01-AUG-1993 | Peterson, Jocelyn A. | U.S. Geological Survey |
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.