1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Double-A Prospect

Producer in Trinity county in California, United States with commodity Manganese
Map
XML
JSON
KML
D
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10033686
MRDS ID M020320
Record type Site
Current site name Double-A Prospect
Related records 10263508

Geographic coordinates

Geographic coordinates: -123.27778, 40.20318 (WGS84)
Relative position ON THE W. SIDE OF HORSE RIDGE NEAR THE HEAD OF THE FIRST LARGE CANYON N. W. OF BARRY CREEK, A TRIBUTARY OF MAD RIVER. ABOUT 1 MI. N. E. OF MAD RIVER ROAD, 74 MI. FROM RAILROAD AT ALTON.

Site location context

Political divisions (FIPS codes)

Trinity(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shannon Butte(quadrangle 1:24,000 scale)

Garberville(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mad-Redwood(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Six Rivers National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 003S 008E 16 California

Comments on the location information

  • LOCATED IN CENTER SECTION 16

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Bementite Ore
Hausmannite Ore
Rhodochrosite Ore

Analytical data

Result AVERAGE GRADE 35 PERCENT MANGANESE

Nearby scientific data

(1) -123.27778, 40.20318
ListMap

Economic information

Ore body information

  • Thickness 0.61M

Comments on the geologic information

  • GEOL.DESC: MANGANESE ORE OCCURS IN THIN-BEDDED SHALY RED CHERT, STRIKING N. TO N. 30 W. AND DIPPING 35 TO 55 E. ORE BEDS ARE FAULTED AND FOLDED, SO RELATIONS AND CONTINUITY ARE OBSCURE. MAXIMUM THICKNESS IS 2 FT. ORE IS A BANDED MIXTURE OF COARSE-GRAINED RHODOCHROSITE, HAUSMANNITE, MANGANIFEROUS CHERT AND BEMENTITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 PP. 314 - 315

  • Deposit

    D.O.M. BULL. 125 1943 P. 198

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; Albers, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.