Florentia Mine

Producer in Yavapai county in Arizona, United States with commodities Copper, Silver, Gold
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 10088894
MRDS ID M800342
Record type Site
Current site name Florentia Mine
Alternate or previous names Florencia Mine-Florencia Claim

Geographic coordinates

Geographic coordinates: -112.11296, 34.75004 (WGS84)
Elevation 1463
Location accuracy 100(meters)
Relative position JUST WITHIN THE JEROME CORPOARTE BDY OR CITY LIMITS. LOCATED JUST DOWNHILL AND TO THE NORTHEAST OF THE MAIN BUSINESS DISTRICT OF JEROME, ARIZONA

Site location context

Political divisions (FIPS codes)

Yavapai(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Clarkdale(quadrangle 1:24,000 scale)

Prescott(quadrangle 1:100,000 scale)

Prescott(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Verde(hydrologic unit)

Verde(hydrologic accounting unit)

Salt(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 016N 002E 23 CENTER OF W2 Arizona

Comments on the location information

  • THE FLORENTIA IS A SURFACE CLAIM THROUGH WHICH MATERIAL FROM THE UNITED VERDE EXT WAS REMOVED. THE FLORENTIA CLAIM IS THE SOUTHEASTERN MOST OF THE UNITED VERDE EXTENSION GROUP OF 4 CLAIMS. THE ORE REMOVED MAY HAVE BEEN TAKEN OUT THE AUBREY OR EDITH SHAFT, OR OUT THE COLUMBIA SHAFT.

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Chlorite Gangue
Pyrite Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Chloritization, Sericitization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Paleoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Deception Rhyolite, Quartz Porphyry;Grapevine Gulch Formation
    Rock description Deception Rhyolite, Quartz Porphyry;Grapevine Gulch Formation
    Stratigraphic age (youngest) Proterozoic
    Chronological age 1820
    Dating method U-Pb (zircon)
    Type of media Zircon

Nearby scientific data

(1) -112.11296, 34.75004

Economic information

Geologic structures

Type of structure Regional
Structure description Foliation In Metavolcanic Rocks Trends N10w To N40w
Type of structure Local
Structure description Massive Sulfide Lenses Elongate Parallel To Bedding In Metavolcanic Rocks

Ore body information

  • General form LENS

Controls for ore emplacement

  • Stratigraphy, Igneous Activity

Comments on the geologic information

  • DEPOSIT IS MASSIVE SULFIDE LESN IN METARHYOLITE OR NEAR CONTACT OF METARHYOLITE AND GABBRO

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1943
Year of last production 1949

Mining district

District name Verde District

Ownership information

  • Type Operator
    Owner Benites And D'Arcy
    First year 1949

Reference information

Bibliographic references

  • Deposit

    AZ DEPT MINERAL RESOURCES FILE DATA (CLAIM MAPS)

  • Deposit

    USBM-ABGMT FILE DATA

  • Deposit

    USBM FEDERAL MINE MAP REPOSITORY, REEL 4046-178

General comments

Subject category Comment text
Deposit ORE MINED MAY HAVE COME FROM UNITE VERDE EXTENTION MINE. IF SO, THEN DIMENSIONAL DATA ARE SIMILAR TO THE U.V.X.
Deposit ORE PROBABLY TAKEN FROM U.V.X. WORKINGS. SEE U.V.X. FOR DETAILED DATA. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-81 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.