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Domino Mine (Old Chief Mine), Domino Mine group, Cumero Canyon, Cox Gulch, Palmetto Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USAi
Regional Level Types
Domino Mine (Old Chief Mine)Mine
Domino Mine group- not defined -
Cumero CanyonCanyon
Cox GulchGulch
Palmetto Mining DistrictMining District
Patagonia MountainsMountain Range
Santa Cruz CountyCounty
ArizonaState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
31° 28' 19'' North , 110° 47' 16'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Patagonia890 (2017)8.1km
Kino Springs136 (2011)12.3km
Beyerville177 (2011)12.5km
Rio Rico18,962 (2011)17.9km
Nogales20,252 (2017)20.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Huachuca Mineral and Gem ClubSierra Vista, Arizona47km
Mindat Locality ID:
34145
Long-form identifier:
mindat:1:2:34145:0
GUID (UUID V4):
a7e45549-c23d-44e6-afec-10f8e6bd6d16


‡Ref.: Kunz, G.F. (1885), On remarkable copper minerals from Arizona, Annals of the New York Academy of Science: 3: 275-278.

Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 287-288; Arizona Bureau of Mines file data.

Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 9.

Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 50, 80.

Shannon, D.M. (1981), What's new in minerals, Mineralogical Record: 12: 117-118.

Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 73 (Table 4).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 159, 373.

A Ag-Pb-Cu-Au-Zn-Mo mine located in the SW ¼ sec. 35, T.22S., R.15E. about ¾ mile west of the Three-R Mine, at the west foot of the Patagonia Mountains, at an elevation of about 4,200 feet. Located in 1881 by A.J. Stockton and partners, who held it until 1885. Sold to Mr. Douglas Gray in 1885, who still owned it circa 1915.

Mineralization is pockety, argentiferous galena, partly oxidized to cerussite, minor oxidized copper minerals, and wulfenite in a quartz and gouge gangue along a strong shear zone cutting altered and leached Precambrian metamorphic rocks, intruded by Jurassic granitic intrusive.

The veins of deposits occur principally in an east-west shear zone in altered and leached diorite, and in association with the contact of the diorite and quartz or granite. Quartz monzonite crops out on a hill just north of the mine and diorite to the south. In a contact belt about 100 feet wide, between the two croppings, the rocks are very much sheared and altered. In some places the rock appears more granitic and in others dioritic, and it is probable that both varieties occur in this altered contact zone.

The ore consists largely of cerussite enveloping cores of galena. It occurs in seams and elongated masses which have a general east-west strike and steep southerly dip. A little native silver was found at 35 feet in the main shaft, and small pockets of wulfenite occur throughout the deposits. Both the cerussite and the wulfenite are beautifully crystallized.

Workings included 2 shafts at 83 and 62 feet deep (circa 1881-1885). Workings also include drifts and stopes on 2 levels (40 and 75 levels). There are also shallow pits on surface. Over 250 tons of Pb-Ag ore were mined in the late 1800's and up through 1937. The output for the group would be some 350 tons of ore averaging about 56 oz. Ag/T, 39% Pb, 1% Cu, and minor

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Cerussite
Formula: PbCO3
Description: Finely crystallized. Envelopes cores of unaltered galena.
Galena
Formula: PbS
Description: As cores of unaltered galena enveloped by cerussite.
Galena var. Silver-bearing Galena
Formula: PbS with Ag
Description: As cores of unaltered galena enveloped by cerussite.
Silver
Formula: Ag
Description: Some found at 35 feet in the main shaft.
Wulfenite
Formula: Pb(MoO4)
Description: Finely crystallized. Occurs in pockets throughout the ore.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
var. Silver-bearing Galena2.CD.10PbS with Ag
Group 5 - Nitrates and Carbonates
Cerussite5.AB.15PbCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Wulfenite7.GA.05Pb(MoO4)

List of minerals for each chemical element

CCarbon
C CerussitePbCO3
OOxygen
O CerussitePbCO3
O WulfenitePb(MoO4)
SSulfur
S GalenaPbS
S Galena var. Silver-bearing GalenaPbS with Ag
MoMolybdenum
Mo WulfenitePb(MoO4)
AgSilver
Ag SilverAg
Ag Galena var. Silver-bearing GalenaPbS with Ag
PbLead
Pb CerussitePbCO3
Pb GalenaPbS
Pb WulfenitePb(MoO4)
Pb Galena var. Silver-bearing GalenaPbS with Ag

Other Regions, Features and Areas containing this locality

Mexico
North America
North America PlateTectonic Plate

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