Manhattan

Producer in Napa county in California, United States with commodity Mercury
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10040777
MRDS ID M055647
Record type Site
Current site name Manhattan

Geographic coordinates

Geographic coordinates: -122.36606, 38.8421 (WGS84)
Elevation 610
Relative position 20 MI SE OF LOWER LAKE

Site location context

Political divisions (FIPS codes)

Napa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Knoxville(quadrangle 1:24,000 scale)

Healdsburg(quadrangle 1:100,000 scale)

Santa Rosa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Cache(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Napa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011N;012N 004W;005W 06;36 California

Comments on the location information

  • LOCATED ON ADIT

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Mercury Ore
Metacinnabar Ore
Chalcedony Gangue
Pyrite Gangue
Stibnite Gangue
Sulfur Gangue

Alteration

  • (Local) Silicification Of Fault Zones And Tuff, Bleaching And Kaolinization Of Basalt

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -122.36606, 38.8421

Economic information

Geologic structures

Type of structure Local
Structure description Serpentine - Basalt Contact

Ore body information

  • General form IRREGULAR
    Length 1609.3M
    Width 30.48M

Comments on the geologic information

  • VOLCANICS OVERLAIN BY HOT SPRINGS DEPOSITS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1865
Production years 1863 - 1877, 1892 - 1905, 1916, 1927, 1932 - 1933, 1936 - 1945

Mining district

District name Knoxville

Ownership information

  • Type Owner
    Owner R. B. Knox

Production statistics

  • Year 1960
    Period To 1960
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^32-50 Lb/Ton Hand Cobbed
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 18520g/mt

Reference information

Bibliographic references

  • Deposit

    HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    AVERITT, P., 1945, QUICKSILVER DEPOSITS OF THE KNOXVILLE DISTRICT, NAPA, YOLO, AND LAKE COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 41, P. 65 - 87

  • Deposit

    FORSTNER, W., 1908, THE QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. STATE MIN. BUREAU BULL. V. 27, 207 P.

  • Deposit

    5) BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.

  • Deposit

    6) DAVIS, F.F., 1948, MINES AND MINERAL RESOURCES OF NAPA COUNTY CALIF.: CJMG, V. 44, P. 176-183

  • Deposit

    7) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486

  • Production

    USBM DATA

General comments

Subject category Comment text
Deposit Discovery Year: 1860'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

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