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  3. Mineral Resource Data System (MRDS)

Crown Claims Nos. 1 & 2

Producer in Pima county in Arizona, United States with commodities Lead, Zinc, Silver, 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10026775
MRDS ID M000205
Record type Site
Current site name Crown Claims Nos. 1 & 2
Related records 10137764

Geographic coordinates

Geographic coordinates: -110.74596, 31.93373 (WGS84)
Elevation 1207
Relative position 25 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

Mount Fagan(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 017S 016E 30 Arizona

Comments on the location information

  • N CENTER SECTION 30.

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Secondary

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 Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -110.74596, 31.93373
ListMap

Economic information

Ore body information

  • General form SPOTTY

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1947
Year of last production 1945

Mining district

District name Helvetia-Rosemont District

Production statistics

  • Year 1948
    Period 1947 - 1948
    Accuracy Estimate
    Description Cp_Grade: ^10 % Pb, 6 % Zn, 8 Oz. Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 226g/mt
    Major Ore Zinc Zinc 6wt-pct
    Major Ore Lead Lead 10wt-pct

Comments on the workings information

  • SHALLOW WORKINGS TYPE UNKNOWN.

Comments on development

  • OPERATORS INCLUDED JOSEPH CARDIELLE

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 124

  • Production

    ABM BULLETIN 189 , P. 124 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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.