Pacific Mine

Producer in Mono county in California, United States with commodity Talc-Soapstone
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10069781
MRDS ID W007464
Record type Site
Current site name Pacific Mine

Geographic coordinates

Geographic coordinates: -118.33427, 37.63327 (WGS84)
Relative position 16 MILES N. OF LAWS

Site location context

Political divisions (FIPS codes)

Mono(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

White Mountain Peak(quadrangle 1:24,000 scale)

Benton Range(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Crowley Lake(hydrologic unit)

Mono-Owens Lakes(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Inyo National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

White Mountains Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mono

Commodities

Commodity Importance
Talc-Soapstone Primary

Materials information

Materials Type of material
Pyrophyllite Ore
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Rock unit name Precret Volcanic Rocks
    Rock description Precret Volcanic Rocks
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -118.33427, 37.63327

Economic information

Ore body information

  • General form LENS
    Strike NW
    Dip SW

Comments on the geologic information

  • PYROPHYLLITE SCHIST IN SILICIFIED ZONES IN PRE CRET. VOLCANIC AND SEDIMENTARY ROCKS.

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Large
Significant No
Year of first production 1945

Ownership information

  • Type Operator
    Owner Huntley Industrial Minerals, Inc.

Workings at the site

  • Type of workings Surface
    Overall width 45.72M

Comments on the workings information

  • DEPOSIT EXTENDS SEVERAL HUNDRED FT

Reference information

Bibliographic references

  • Deposit

    WRIGHT, L. A., 1957, PYROPHYLLITE, IN MINERAL COMMODITIES OF CALIFORNIA: CALIF. DIV. OF MINES BULL. 176, P. 455 - 458

General comments

Subject category Comment text
Deposit GEOLOGY OF DEPOSIT AND REGION ARE UNSTUDIED

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1959 Espenshade, Gilbert H. 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.