Morgan Mine Group

Producer in Pima county in Arizona, United States with commodities Gold, Silver, Lead, Copper

Geologic information

Identification information

Deposit ID 10108961
MRDS ID M000029
Record type Site
Current site name Morgan Mine Group
Alternate or previous names Cube Iron
Related records 10258894

Geographic coordinates

Geographic coordinates: -112.14183, 32.11261 (WGS84)
Elevation 963
Relative position 3 1/2 MILES SW OF QUIJOTOA TRADING POST
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Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 015S 002E 23 Arizona

Comments on the location information

  • N CENTER SECTION 23 . PAPAGO INDIAN RESERVATION

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Copper Secondary

Materials information

Materials Type of material
Hematite Gangue

Alteration

  • (Local) Quartz Diorite Wallrock Altered To Calcite And Sericite

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -112.14183, 32.11261

Ore body information

  • General form LENTICULAR LENSES
    Strike N W
    Dip 65 NE
    Width 1.22M
    Length 9.14M

Controls for ore emplacement

  • Gold Occurs Chiefly Within Cementing Calcite And Hematite Of The Gouge, In Places Is Associated With Manganese

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1917
Year of last production 1937

Production statistics

  • Year 1935
    Period 1931 - 1935
    Material ORE
    Accuracy Estimate
    Description Cp_Grade: ^0.5 Oz Au/Ton, 0.5 Oz Ag/Ton, Minor Pb, Cu.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 16g/mt
    Minor Ore Gold Gold 16g/mt

Workings at the site

  • Type of workings Surface/Underground
    Length 152.4M
    Overall depth 91.44M

Comments on the workings information

  • INCLINED SHAFT AND SMALL PITS.

Comments on development

  • OPERATORS INCLUDED STEPHANUS MINES, LARRYMADE MINES, STEPH-HARTFORD

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M000029
U.S. Bureau of Mines Minerals Availability System MAS 0040190324

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 141 .

  • Deposit

    WILSON, E. D., CUNNINGHAM, J. B., AND BUTLER, G. M., 1934 , ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137 , P. 179 .

  • Production

    ABM BULLETIN 189 , P. 141 .

General comments

Subject category Comment text
Deposit VEIN IS IN LENTICULAR MASSES, FROM 10 TO 30 FEET LONG, 1 TO 4 FEET WIDE, WHICH FRAY OUT ABRUPTLY INTO STRINGERS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey