Plymouth Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Gold, Silver
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10109811
MRDS ID M800031
Record type Site
Current site name Plymouth Mine

Geographic coordinates

Geographic coordinates: -112.59436, 34.51338 (WGS84)
Elevation 1768
Relative position 6 MILES NE OF SKULL VALLEY, ARIZONA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Iron Springs(quadrangle 1:24,000 scale)

Prescott(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Maria(hydrologic unit)

Bill Williams(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Prescott 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 Arizona Yavapai

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 013N 003W 08 SW Arizona

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitization, Argillization

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Metamorphic Rock > Amphibolite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Amphibolite

Nearby scientific data

(1) -112.59436, 34.51338

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Precambrian Rocks= N20e To N20w, Steep West Dip
Type of structure Local
Structure description Copper Basin Stock E Longate Nne To Ssw, Dike Trends N 45 W

Ore body information

  • General form TABULAR
    Strike N 40 TO 60 W
    Dip 70 TO 80 NE

Controls for ore emplacement

  • Ore Found In Massive Late Cretaceous Dike In Addition To Disseminated Ore

Comments on the geologic information

  • PRECAMBRIAN VEIN IN PRECAMBRIAN ROCKS, ACCORDING TO JOHNSTON, 1955

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1937
Year of last production 1937

Mining district

District name Finch District

Ownership information

  • Type Operator
    Owner Plymouth Mg. Co.

Reference information

Bibliographic references

  • Deposit

    ECON GEOL. V. 56, P. 916-940

  • Deposit

    JOHNSTON, W.P., 1955 P.H.D., COPPER BASIN DEPOSITS, UNIV. OF UTAH, 130 PGS

  • Deposit

    CHRISTMAN, J., 1978, M.S. COPPER BASIN DISTRICT, UNIV OF ARIZONA, 78 PGS

  • Deposit

    ABGMT-USBM FILE DATA

General comments

Subject category Comment text
Deposit 3RD IGNEOUS UNIT AGE-LATE CRETACEOUS 3RD IGNEOUS UNIT NAME-"COPPER BASIN STOCK" (INFORMAL)-QUARTZ LATITE PORPHYRY DIKE ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 Laraba, Peter (Dewitt, Ed) Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

Authoritative Arizona resources

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