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

Theniss & Adams

Producer in Placer county in California, United States with commodity Gold
Map
XML
JSON
KML
C
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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Ownership information
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10109298
MRDS ID M012279
Record type Site
Current site name Theniss & Adams
Related records 10164148

Geographic coordinates

Geographic coordinates: -120.91936, 39.09183 (WGS84)
Elevation 366
Relative position ON WEST SIDE N. FORK OF AMERICAN RIVER, JUST ABOVE BRIDGE ON STAGE ROAD FROM COLFAX TO IOWA HILL.

Site location context

Political divisions (FIPS codes)

Placer(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Colfax(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

USBR(Federal land areas administered by USBR)

Geographic areas

Country State County
United States California Placer

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 014N 009E 01 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

(1) -120.91936, 39.09183
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: PLACER - GRAVEL BARS ALONG RIVER; GRAVEL IS LOOSE AND ABOUT 6 FT. DEEP.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Colfax

Ownership information

  • Type Owner
    Owner Martin Theniss And P. C. Adams
    First year 1935

Comments on the production information

  • IN 1915-16 IT WAS REPORTED 2 MEN WORKING SAVE ABOUT $16 IN GOLD PER WEEK.

Comments on the workings information

  • GRAVEL HOT WORKED TO BEDROCK; IS WASHED IN HAND ROCKER WITH FINE GOLD CAUGHT ON AN OLD CARPET. PROBABLY FINEST ESCAPES.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 32, NO. 1, 1936, P. 95

  • Deposit

    USGS FOLIO 66

  • Deposit

    DOM 15TH REPORT STATE MINERALOGIST, P. 384

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.