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Mary G Mine (Mary E Mine; Princess claim; Princess group), Cerro Colorado District, Cerro Colorado Mts, Pima Co., Arizona, USAi
Regional Level Types
Mary G Mine (Mary E Mine; Princess claim; Princess group)Mine
Cerro Colorado DistrictMining District
Cerro Colorado MtsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 40' 21'' North , 111° 18' 57'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Arivaca695 (2011)11.0km
Amado295 (2011)24.1km
Arivaca Junction1,090 (2011)24.8km
Tubac1,191 (2011)26.4km
Tumacacori-Carmen393 (2015)27.4km


‡Ref.: Davis, R.E. (1955), Geology of the Mary G Mine area, Pima County, Arizona, University of Arizona Masters of Science thesis.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 114 (Table 4).

Niemuth, N.J. (1987), Arizona Mineral Development 1984-1986, Arizona Department of Mines & Mineral Resources Directory 29, 46 pp.

Arizona Bureau of Mines file data.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 175, 233.

MRDS database Dep. ID file #10048097, MRDS ID #M800085; and, Dep. ID #10113512, MAS ID #0040190311.

A former small underground Ag-Au-Pb-Cu-Zn-Hg mine located in East-central sec. 21, T.20S., R.10E, 100 yards from the eastern edge of section 21 and 3 miles of Cerro Colorado Peak. Operated 1890-1950. This mine was open 1928-1950, with the exception of 1931, 1933, 1936, 1938, 1939, & 1945. Discovered 1890 by Clark. Owned by H.G. Worsley. Operated at times, or in part, by the Mary Leasing Co.; Ayers; Goodsill & Carry Brothers; Workman; Worsley; Bledsoe; Turner; Mary G. Mining Co.; and, L.A. Roberts (1949-1950); the Battle Ax Mining Co. (1986); and the Acme Mining & Devedlopment (1951).

Mineralization is a vein deposit with irregular, lensing, drusy, and milky, partly oxidized quartz veins containing stringers and veinlets of sulfides, copper carbonates and mercurian tetrahedrite with minor barite and calcite along a fault zone in Laramide (?) propylitized andesite porphyry. Ore depth to bottom is 41.15 meters. Ore control was veins adjacent to fault intersections, NE-trending main fault at N10E, dipping 45W. Alteration includes partial ozidation, propylitic, and drusy quartz. Cinnabar is present as specks. The ore shoot was controlled by fault intersection. Faults cutting the main fault include N40E and N60W and have a northerly dip. Geologically similar to the Cerro Colorado Mine.

Workings include a shaft(s). A surface drilling project and pilot mill test were conducted. Operated intermittently from the late 1880's to 1950, producing some 800 tons of ore averaging about 60 oz. Ag/T, 1.5% Pb, 0.7% Cu and minor Au & Zn.

Regions containing this locality

North America PlateTectonic Plate
Sonoran Desert, North AmericaDesert

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: MRDS database Dep. ID file #10048097, MRDS ID #M800085.
Baryte
Formula: BaSO4
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Calcite
Formula: CaCO3
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Cinnabar
Formula: HgS
Description: Tiny crystals & scales lining cavities in quartz.
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 175; Davis, R.E. (1955), Geology of the Mary G Mine area, Pima Co., AZ, Univ. AZ Masters of Science thesis; Arizona Bureau of Mines file data.
Galena
Formula: PbS
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Goethite
Formula: α-Fe3+O(OH)
Reference: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 233.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: MRDS database Dep. ID file #10048097, MRDS ID #M800085.
'Mercurian Tetrahedrite'
Formula: (Cu,Hg)12Sb4S13
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Quartz
Formula: SiO2
Description: Drusy.
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Quartz var: Milky Quartz
Formula: SiO2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Silver
Formula: Ag
Reference: MRDS database Dep. ID file #10048097, MRDS ID #M800085.
Sphalerite
Formula: ZnS
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.
Tetrahedrite
Formula: Cu6Cu4(Fe2+,Zn)2Sb4S12S
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 114 (Table 4); Arizona Bureau of Mines file data.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Cinnabar2.CD.15aHgS
Galena2.CD.10PbS
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6Cu4(Fe2+,Zn)2Sb4S12S
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Quartz4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
'Mercurian Tetrahedrite'-(Cu,Hg)12Sb4S13

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Cinnabar2.8.14.1HgS
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6Cu4(Fe2+,Zn)2Sb4S12S
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Mercurian Tetrahedrite'-(Cu,Hg)12Sb4S13
Quartz
var: Milky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H MalachiteCu2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O QuartzSiO2
O Quartz (var: Milky Quartz)SiO2
O BaryteBaSO4
O CalciteCaCO3
O Goethiteα-Fe3+O(OH)
O AnglesitePbSO4
O MalachiteCu2(CO3)(OH)2
SiSilicon
Si QuartzSiO2
Si Quartz (var: Milky Quartz)SiO2
SSulfur
S GalenaPbS
S SphaleriteZnS
S Mercurian Tetrahedrite(Cu,Hg)12Sb4S13
S BaryteBaSO4
S CinnabarHgS
S AnglesitePbSO4
S TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
CaCalcium
Ca CalciteCaCO3
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
CuCopper
Cu Mercurian Tetrahedrite(Cu,Hg)12Sb4S13
Cu MalachiteCu2(CO3)(OH)2
Cu TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
AgSilver
Ag SilverAg
SbAntimony
Sb Mercurian Tetrahedrite(Cu,Hg)12Sb4S13
Sb TetrahedriteCu6Cu4(Fe2+,Zn)2Sb4S12S
BaBarium
Ba BaryteBaSO4
HgMercury
Hg Mercurian Tetrahedrite(Cu,Hg)12Sb4S13
Hg CinnabarHgS
PbLead
Pb GalenaPbS
Pb AnglesitePbSO4
USGS MRDS Record:10048097
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