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Iron Reef Prospect

Past Producer in Graham county in Arizona, United States with commodities Lead, Silver, Zinc, Copper, Manganese, Gold, Iron
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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. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10027133
MRDS ID M002202
Record type Site
Current site name Iron Reef Prospect
Alternate or previous names Landsman Group

Geographic coordinates

Geographic coordinates: -110.32539, 32.9701 (WGS84)
Elevation 1600
Relative position 2 MILES NE OF ARAVAIPA

Site location context

Political divisions (FIPS codes)

Graham(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cobre Grande Mountain(quadrangle 1:24,000 scale)

Mammoth(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Pedro(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado 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 Graham

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 005S 020E 29 Arizona

Commodities

Commodity Importance
Lead Primary
Silver Primary
Zinc Critical Primary
Copper Secondary
Manganese Critical Secondary
Gold Tertiary
Iron Tertiary

Materials information

Materials Type of material
Actinolite Ore
Chalcopyrite Ore
Covellite Ore
Cuprite Ore
Galena Ore
Magnetite Ore
Malachite Ore
Pyrite Ore
Specularite Ore
Epidote Gangue
Garnet Gangue
Quartz Gangue

Analytical data

Result ASSAYS 1 % CU, LITTLE GOLD

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -110.32539, 32.9701
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fracturing Transverse To Bedding. Landsman Camp Fault.

Ore body information

  • General form IRREGULAR
    Strike N W
    Dip SW
  • General form IRREGULAR
    Dip SW

Controls for ore emplacement

  • Bedding, Fractures Of Limestone, Shattered Rhyolite Dikes, Some Mineralization In Schist

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Aravaipa District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Frank Landsmen
    First year 1925

Comments on development

  • COMPACT GROUP OF 37 UNPATENTED CLAIMS (1925), NO ORE HAS BEEN SHIPPED.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 37 UNPATENTED CLAIMS WITHIN THE GROUP ( 1943 ). ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1979 Johnson, Kris H. (Creasey, S.C.) 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.