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  3. Mineral Resource Data System (MRDS)

Sherwood Mine

Producer in Pima county in Arizona, United States with commodities Copper, Silver, Gold
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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. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10026912
MRDS ID M001017
Record type Site
Current site name Sherwood Mine
Alternate or previous names Reilly Lode, Green
Related records 10234726

Geographic coordinates

Geographic coordinates: -111.86432, 31.99706 (WGS84)
Elevation 945
Relative position 6 MILES N OF SELLS

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sells East(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon Wash(hydrologic unit)

Rio Sonoyta(hydrologic accounting unit)

Sonora(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 016S 005E 31 Arizona

Comments on the location information

  • NE 1/4 SECTION 31 . PAPAGO INDIAN RESERVATION

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Pyrite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -111.86432, 31.99706
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault Zone Cutting Laramide Dioritic To Quartz Monzonitic Intrusive.

Ore body information

  • General form SPOTTY

Controls for ore emplacement

  • Vein Along Fault Zone, High Silver Values In Oxidized Zone

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Production statistics

  • Year 1927
    Period 1917 - 1927
    Accuracy Estimate
    Description Cp_Grade: ^10 % Cu, 37 Oz Ag/Ton, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Silver Silver 1045g/mt
    Ore Copper Copper 10wt-pct
  • Year 1953
    Period 1952 - 1953
    Accuracy Estimate
    Description Cp_Grade: ^10 % Cu, 37 Oz Ag/Ton, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 10wt-pct
    Minor Ore Silver Silver 1045g/mt

Comments on the production information

  • A "FEW TENS OF TONS" PRODUCED DURING 1917 - 1927 , 1952 - 1953 . SPORADIC PRODUCTION.

Comments on the workings information

  • SHAFT WORKINGS

Comments on development

  • OPERAOTRS INCLUDED DELVA MINING CO., H.P. DUFFY, N.W. LEONARD

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 112

  • Production

    ABM BULLETIN 189 , P. 112

General comments

Subject category Comment text
Deposit PARTLY OXIDIZED

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.