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  3. Mineral Resource Data System (MRDS)

Union Mine

Occurrence in Santa Cruz county in Arizona, United States with commodities Silver, Lead
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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. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10039624
MRDS ID M050518
Record type Site
Current site name Union Mine
Related records 10113800

Geographic coordinates

Geographic coordinates: -111.2693, 31.39542 (WGS84)
Elevation 1143

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 023S 010E 25 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Silver Primary
Lead Primary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Minor

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Warsaw Quartz Monzonite; Sidewinder Quartz Monzonite
    Rock description Warsaw Quartz Monzonite;;Sidewinder Quartz Monzonite
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -111.2693, 31.39542
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Nw-And-Ne-Trending Fault Zones, Block Faulting
Type of structure Local
Structure description Cret

Comments on the geologic information

  • EQUIGRANULAR LEUCO-QUARTZ MONZONITE AND MAFIC-RICH QUARTZ MONZONITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Oro Blanco District

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    USBM FILE DATA - CLUSTER #34 - UNION MINE.

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Johnson, Maureen G. U.S. Geological Survey
Updater 01-MAY-1982 Laraba, Peter (Calder, Susan R.) 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.