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Deniston Peak

Past Producer in San Mateo county in California, United States with commodity Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10035138
MRDS ID M022307
Record type Site
Current site name Deniston Peak
Alternate or previous names Dennison Creek

Geographic coordinates

Geographic coordinates: -122.47133, 37.53574 (WGS84)
Elevation 84
Relative position 1.3 MI. S. SOUTH PEAK OF MONTARA MTN.

Site location context

Political divisions (FIPS codes)

San Mateo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Montara Mountain(quadrangle 1:24,000 scale)

San Francisco(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Coastal South(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Mateo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 005W 05 California

Comments on the location information

  • UTM EST. LOCATION EST. FROM REFERENCE. TOWNSHIP-RANGE AND SECTION UNSURVEYED.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result ASSAYED A FEW DOLLARS PER TON IN GOLD IN 1888. SPECIMENS WERE OBTAINED SHOWING FREE GOLD.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Economic information

Comments on the geologic information

  • SOURCE OF FINE GOLD ALSO FOUND DOWNSTREAM OF DENNISON CREEK. IT EMPTIES INTO HALF MOON BAY, WHERE PLACER MINING HAS BEEN CARRIED OUT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Montara Mtn.

Reference information

Bibliographic references

  • Deposit

    DAVIS, F.F., 1955, MINES & MINERAL RESOURCES OF SAN MATEO COUNTY, CALIF: CALIF. JOUR. MINES & GEOLOGY, V. 51, NO. 4, P. 412

General comments

Subject category Comment text
Deposit VEINS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Nelson, Scott C. (Albers, John, P.) 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.