Santo Nino Mine

Past Producer in Santa Cruz county in Arizona, United States with commodities Copper, Silver, Molybdenum, Gold, Lead, Zinc

Geologic information

Identification information

Deposit ID 10026908
MRDS ID M000982
MAS/MILS ID 0040230350
Record type Site
Current site name Santo Nino Mine
Alternate or previous names Santa Maria Molybdenum, Brooks
Included sites North Santo Wind, North Santo Nino

Geographic coordinates

Geographic coordinates: -110.71873, 31.36097 (WGS84)
Elevation 1829
Relative position 2.5 MI SW OF DUQUESNE.
(click for info)

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 024S 016E 09 NE OF NW Arizona

Comments on the location information

  • NE SLOPES OF MT WASHINGTON, ON SOUTHERN TRIBUTARY OF SAN ANTONIO CANYON. INFO FROM LAND.ST :01, 41? 1979
  • Latitude/longitude updated using Google Earth and Earthpoint. Earthpoint shows surveyed (patented?) claims and point selected near working visible in approximately middle of claim block. There are 5 claims in general NE trend extending into sections 4 and 8.

Commodities

Commodity Importance
Copper Primary
Silver Primary
Molybdenum Secondary
Gold Secondary
Lead Tertiary
Zinc Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Molybdenite Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Intensely Feldspathized Zones Related To N-S Jointing And Ne Fractures

Analytical data

Result SEE KUCK 1978 FOR DETAILED CHEMICAL ANALYSIS OF ORE

Host and associated rocks

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

Nearby scientific data

(1) -110.71873, 31.36097

Geologic structures

Type Description Terms
Regional Ore Regionally Occurs As Veinlike Replacements Of Quartz Monzonite Mass That Forms Backbone Of Patagonia Range
Local Fissures & Joints

Ore body information

  • General form LENTICULAR
    Strike N45-60E
    Dip 80W-VERTICAL
    Thickness 60.96M
    Width 1.83M
    Length 91.44M

Controls for ore emplacement

  • Quartz Veins In Feldspathoid Zone In Granodiorite

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1908
Discoverer Dennis Coughlin
Discovery method Ore-Mineral In Place
Year of first production 1912
Year of last production 1955

Mining district

District name Patagonia District

Land status

Area name Coronado National Forest

Ownership information

  • Type Operator
    Owner Utah Construction And Mining Co., Utah International
    First year 1970
    Last year 1975
  • Type Owner
    Owner Southern Copper Mining Co.
    First year 1959
  • Type Unknown
    Owner Haralina Mg Co; Miami Copper Co; Southern Copper Mines
    Year 1975
  • Type Unknown
    Owner Beyerle Santo Nino Mining Co; Young And Gardner; Canute
    Year 1975

Production statistics

  • Year 1955
    Period 1900-1955
    Accuracy Accurate
    Description Cp_Grade: ^7% Cu, 1 Oz/T Ag, 1% Mos2, Minor Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 28g/mt
    Ore Copper Copper 7wt-pct
    MoS2 Ore Molybdenum Molybdenum 1wt-pct

Comments on the production information

  • WORKED SPORADICALLY FROM EARLY 1900'S-1955

Comments on development

  • PREVIOUS OWNERS/OPERATORS INCLUDE MIAMI COPPER CO, SOUTHERN COPPER MINES CO, BEYERLE (1927) SANTO NINO MINING CO (1926-1931), YOUNG & GARDNER (1943), SANTO NINO LESSEES (1954-1955), HAVALENA MINING CO (191 0-1912), A. DE LA OSSA (1958), W.S. TALCOTT (1959), 5 PATENTED CLAIMS

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M000982

Bibliographic references

  • Deposit

    KEITH, 1975, ABM BULL 191.

  • Deposit

    KUPFER, 1965, USGS BULL 1182-E.

  • Deposit

    KUCK, 1978, PH.D. THESIS, UNIV OF AZ.

  • Deposit

    SIMONS, 1974, USGS MAP I-762.

  • Deposit

    ABGMT FILE DATA, STANTON B. KEITH.

  • Deposit

    SCHRADER, 1915, USGS BULL 582.

  • Deposit

    ABGMT-USBM FILE DATA.

  • Deposit

    ADMR FILE DATA, SANTO NINO MINE.

  • Deposit

    ABGMT CLIPPINGS FILES, SANTO NINO MINE.

  • Deposit

    TENNEY, 1927-29, HISTORY OF MINING IN AZ, ABM, P.299-300 & 11) USBM FILES, SANTO NINO MINE.

  • Deposit

    U.S. Bureau of Mines CORONADO NATIONAL FOREST REPORT

  • Other Database

    CIMRI

  • Production

    KEITH, 1975

General comments

Subject category Comment text
Deposit THIS REPORT WAS TAKEN FROM RECORD M000982 OF JAN WILT IN MOLYBDENUM FILE, CONTACT PERSON T.G. THEODORE, USGS. THIS RECORD ALSO CONTAINS DATA FROM DUPLICATE RECORD D000345 OF ROBERT U. KING WHICH HAS BEEN DELETED FROM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1983 Peterson, Jocelyn A. U.S. Geological Survey
Updater 01-APR-1982 Calder, Susan R. Arizona Bureau of Geology and Mineral Technology
Updater 25-MAY-1995 Orris, Greta J. U.S. Geological Survey
Editor 04-JUN-2009 Causey, J. Douglas U.S. Geological Survey Combined information from duplicate MAS record 0040230350 and modified location slightly.