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Pointing Cactus Group

Past Producer in Pinal county in Arizona, United States with commodities Manganese, Copper
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10088603
MRDS ID M050193
Record type Site
Current site name Pointing Cactus Group
Related records 10259510

Geographic coordinates

Geographic coordinates: -111.74043, 32.63232 (WGS84)
Elevation 549
Relative position APPROX. 13 MILES SW OF ELOY, ARIZ. IN NORTHERN PART OF SAWTOOTH MOUNTAINS.

Site location context

Political divisions (FIPS codes)

Pinal(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Arizona City(quadrangle 1:24,000 scale)

Casa Grande(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Santa Cruz(hydrologic unit)

Santa Cruz(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 Pinal

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 009S 006E 21,22 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1964)

Commodities

Commodity Importance
Manganese Critical Primary
Copper Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Calcite Gangue

Analytical data

Result MUCH OF THE ORE ON THESE CLAIMS CONTAINS UP TO 1.75 PCT. CU MAKING THE MN ORE MUCH LESS DESIRABLE. HIGH CU ON CLAIMS 2 AND 6. BETTER MN ORE ON CLAIM 1. HIGH MN CONTENT (42.5) ASSOCIATED WITH HIGH CU VALUES.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -111.74043, 32.63232
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting Trending Nnw.

Ore body information

  • General form VEINLETS, PODS, LENSES
    Strike N 20 TO 40 E
    Dip 65 NW TO 85 SE
    Length 60.96M
    Width 1.83M
    Depth to top 0M

Controls for ore emplacement

  • Faults In Rhyolite

Comments on the geologic information

  • GEOL.DESC: SERIES OF NE TRENDING FRACTURES CONTAINING MN MINERALS CUT RHYOLITIC ROCKS. MINERALIZATION SURROUNDS BRECCIA FRAGMENTS, WHERE PRESENT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1953
Discoverer Isaac Nichols, G.E. Grier
Year of first production 1956
Production years 1953-1956

Mining district

District name Sawtooth District

Land status

Ownership category Federal

Ownership information

  • Type Owner-Operator
    Owner Isaac Nichols, G.E. Grier

Comments on the production information

  • SOME ORE IS TOO HIGH IN CU TO MAKE IT ECONOMIC. ITEM 2 IS THIS TYPE.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 9.14M

Comments on the workings information

  • ON CLAIM 1: 30 FT. VERT. SHAFT. CLAIM 6: OPEN CUT CLAIM 2: OPENCUT 15 BY 4 BY 6 FT. DEEP. CLAIM 5: OPENCUT 20 BY 6 BY 14 FT. DEEP.

Comments on development

  • MINES INACTIVE IN 1956 ; ECON.COM: GOOD ROAD ACCESS EXCEPT LAST 3 MILES WHICH ARE PRIMITIVE TRUCK TRAIL.

Reference information

Bibliographic references

  • Deposit

    FARNHAM, L.L., STEWART, L.A., DELONG, C.W., 1961, U.S. BUREAU MINES I.C. 7990

  • Deposit

    1961 COMPILE U.S. BUREAU MINES, I.C. 799

  • Production

    FARNHAM, L.L., ET.AL.

General comments

Subject category Comment text
Deposit POINTING CACTUS GROUP IS COMPRISED OF 5 ADJOINING UNPATENTED CLAIMS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1972 Bergquist, Joel R. U.S. Geological Survey

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.