Henrietta Prospect

Occurrence in Pima county in Arizona, United States with commodities Gold, Silver, Copper
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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10095421
MRDS ID M050029
Record type Site
Current site name Henrietta Prospect
Related records 10283284

Geographic coordinates

Geographic coordinates: -110.79374, 31.88568 (WGS84)
Elevation 1170
Relative position 28 MILES SE OF TUCSON

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Corona De Tucson(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Santa Cruz(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 18S 15E 10 Arizona

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Rhyolite Dikes 26 +-2my Rhyolite Porph.;Diabase Dikes Diabase
    Rock description Rhyolite Dikes 26 +-2my Rhyolite Porph.;Diabase Dikes Diabase
    Stratigraphic age (youngest) Paleocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -110.79374, 31.88568

Economic information

Geologic structures

Type of structure Regional
Structure description Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N.
Type of structure Local
Structure description Thrust And Normal Faulting - Fracture Zones.

Ore body information

  • General form TABULAR
    Dip 60 NW
    Thickness 9.14M

Controls for ore emplacement

  • Dike Swarm?

Comments on the geologic information

  • GEOL.DESC: AGE OF MINERALIZATION BELIEVED TO BE THAT OF THE QUARTZ LATITE INTRUSIVE OF DREWES-1971REG.COM: STRUCTURE IN DISTRICT IS THRUST FAULTING - HIGH ANGLE NORMAL FAULTING AND FOLDING.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1905

Mining district

District name Helvetia-Rosemont District

Land status

Ownership category Private

Comments on the workings information

  • DISTRICT IS POSSIBLY NEW PORPH. COPPER DEPOSIT.

Comments on development

  • ANACONDA REPORTS ROSEMONT-HELVETIA INTRUSIVE QUARTZ LATITE AS POTENTIAL PORPH. COPPER DEPOSIT IN 1971.

Reference information

Bibliographic references

  • Deposit

    SCHRADER, F. C., 1915 USGS BULL. 582

  • Deposit

    ARIZONA BUREAU OF MINES 1971 FIELDNOTES V. 1 NO. 2

  • Deposit

    DREWES, H. 1971 USGS MAP I-613 (SAHUARITA QUAD)

  • Deposit

    1909 RECON F.C. SCHRADER U.S.G.S. BULL. 582

  • Deposit

    1971 DIREXPL ANACONDA- POSSIBLE NEW PORPH. COPPER DEPOSIT.

  • Deposit

    1971 GEOLMAP H. DREWES USGS MAP I-613

General comments

Subject category Comment text
Deposit LODE CONSISTS OF 3 PARALLEL QUARTZ VEINS SEPARATED BY GRANITE "HORSES". SCHRADER-1915.
Deposit THE STRATIGRAPHIC UNITS USED ARE THOSE OF H. DREWES - 1971 USGS MAP I-613 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Keith, William J. U.S. Geological Survey

Beyond USGS

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

Authoritative Arizona resources

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