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Renfro Group

Producer in Gila county in Arizona, United States with commodities Copper, Silver, 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. Geologic structures
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10109792
MRDS ID M241244
Record type Site
Current site name Renfro Group
Alternate or previous names Roman Eagle Shaft
Related records 10209684, 10258055

Geographic coordinates

Geographic coordinates: -110.87819, 33.14759 (WGS84)
Elevation 1036
Relative position 1 MILE NNW OF MANHATTAN MOUNTAIN (4417 FT), DRIPPING SPRINGS MOUNTAINS.

Site location context

Political divisions (FIPS codes)

Gila(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hot Tamale Peak(quadrangle 1:24,000 scale)

Globe(quadrangle 1:100,000 scale)

Mesa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Gila(hydrologic unit)

Middle Gila(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Gila

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 003S 014E 25 NW OF NW Arizona

Comments on the location information

  • 0.25 MILE E OF GILA-PINAL COUNTY BOUNDARY, 1.25 MILES E OF TROY RANCH. ; INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary

Materials information

Materials Type of material
Chrysocolla Ore
Cuprite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Rock unit name Mescal Limestone
    Rock description Mescal Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -110.87819, 33.14759
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Ew Rhyodacite Porphyry Dikes -Ew Faults
Type of structure Local
Structure description Quartzite And Limestone Overlies Diabase, Fractures Northwesterly, One Being N75w

Controls for ore emplacement

  • Diabase-Limestone Contact, Diabase Underlies Limestone, Also Along Small Fault Fissures

Comments on the geologic information

  • LCRET RATTLER GRANODIORITE INTRUSION IS 1/8 MILE W OF MINE, AND MINERALIZATION AND/OR FISSURING IS PROBABLY RELATED TO THIS INTRUSION. RHYODACITE POSTDATES INTRUSION, DOWNTHROWN SIDE IS THE SOUTHERN SIDE ON MOST OF THE FRACTURES IN THE AREA.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1913
Year of last production 1918

Mining district

District name Dripping Springs District

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Underground
    Length 762M

Comments on the workings information

  • MAIN TUNNEL 1600 FT. LONG, DEPTH 600 FT (MINES HANDBOOK, 1922) ADMR REPORT (1907) DESCRIBES VARIOUS SMALL SHAFTS; 220 FT OF WORKINGS ON THE GOLDEN EAGLE, A 150 FT TUNNEL, AND A 43 FT. SHAFT IN GRANITE.

Comments on development

  • PINAL DEVELOPMENT COMPANY AND F. M. POOL WERE PAST OPERATORS. 47 CLAIMS IN 1922.

Reference information

Bibliographic references

  • Deposit

    ADMR RENFRO GROUP FILE.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    USGS GEOLOGIC QUADRANGLE GQ-10218, 1971.

  • Deposit

    REED, W. H., MINES HANDBOOK, VOLUME XV, 1922, P. 364.

General comments

Subject category Comment text
Deposit 15 FT THICK ORE HORIZON ON LIMESTONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1982 Gest, Don E. Arizona Bureau of Geology and Mineral Technology

Beyond USGS

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

Maps centered on this site

Authoritative Arizona resources

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