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Ostrich Mine

Past Producer in Santa Cruz county in Arizona, United States with commodities Gold, Silver, Copper, Lead, Zinc
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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. 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. Land status
  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 10039537
MRDS ID M050241
Record type Site
Current site name Ostrich Mine
Alternate or previous names Bartlett, Skunk, Gold Pen
Related records 10113788

Geographic coordinates

Geographic coordinates: -111.30875, 31.4918 (WGS84)
Elevation 1356
Relative position 1.75 MILES WSW OF ORO BLANCO RANCH.

Site location context

Political divisions (FIPS codes)

Santa Cruz(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bartlett Mountain(quadrangle 1:24,000 scale)

Atascosa Mountains(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rio De La Concepcion(hydrologic unit)

Rio De La Concepcion(hydrologic accounting unit)

Sonora(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 Santa Cruz

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 022S 010E 22,27 SE OF SE OF SW (22); CENTER OF N2 OF N2 (27) Arizona

Comments on the location information

  • ADJACENT ON SE TO YELLOW JACKET CLAIMS. ; INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Comments on the commodity information

  • VALUES ARE ERRATIC & GENERAL TENOR IS LOW.

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue

Alteration

  • (Local) Iron & Copper Staining On Quartz

Analytical data

Result 28 CHANNEL SAMPLES IN 1935-1940 BY RFC INDICATE 0.2% AU. ACROSS 4.2' VEIN WIDTH.

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff > Welded Tuff
    Rock unit name Cobre Ridge Tuff
    Rock description Cobre Ridge Tuff
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -111.30875, 31.4918
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Block Faulting.
Type of structure Local
Structure description Nw Faults

Ore body information

  • General form NARROW, IRREGULAR, LENSING
    Strike N33W
    Dip 50 NE
    Width 1.22M
  • General form NARROW, IRREGULAR, LENSING
    Dip 50 NE

Controls for ore emplacement

  • Narrow, Irregular, Lensing Quartz-Fissure Veins Along Nw-Trending Fault Zone In Welded Tuff

Comments on the geologic information

  • CONSIDERABLE GOUGE. SLIGHT MINERALIZATION ALONG NW FAULT ZONE BETWEEN OSTRICH AND YELLOW JACKET - AND VICINITY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1870
Discoverer Spaniards
Year of first production 1873

Mining district

District name Yellow Jacket District

Land status

Ownership category National Forest

Comments on the production information

  • WORKED BY SPANIEARDS IN 1700. WORKED MAINLY IN THE 1870'S AND 1880'S; SOME MINOR OPERATION SINCE THEN. ESTIMATED PRODUCTION IS SEVERAL HUNDRED TONS OF AU-AG ORE.

Workings at the site

  • Type of workings Underground
    Length 216.41M
    Overall depth 18.29M

Comments on the workings information

  • SHAFT OPERATIONS, WORKINGS NOW CAVED

Reference information

Bibliographic references

  • Deposit

    KNIGHT, L.H., JR., 1970, ORO BLANCO DISTRICT: UNIV. ARIZ. PH.D. THESIS.

  • Deposit

    USBM FILES, OSTRICH MINE.

  • Deposit

    ABM BULL 191, P. 68.

  • Deposit

    RFC B0536

  • Other Database

    CIMRI

  • Production

    CONSV - M000225

General comments

Subject category Comment text
Deposit ORE MINERALS LARGELY OXIDIZED; CONSIDERABLE GOUGE VEIN IS BLUISH GRAY QUARTZ FRAGMENTS IN SHEAR ZONE AND CLAY ALTERED TUFF.
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD M241485 OF W. GERE WHICH HAS BEEN DELETED FROM MAIN MRDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-FEB-1994 Orris, Greta J. 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.