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Olivette and Annette Mines (Olivette Mine; Olive Mine; New Olivette Mine; Corda Brothers group; Corda group), Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USAi
Regional Level Types
Olivette and Annette Mines (Olivette Mine; Olive Mine; New Olivette Mine; Corda Brothers group; Corda group)Group of Mines
Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District)Mining District
Sierrita MountainsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 57' 45'' North , 111° 5' 45'' West
Latitude & Longitude (decimal):
Locality type:
Group of Mines
Nearest Settlements:
PlacePopulationDistance
Sahuarita25,707 (2017)13.2km
Green Valley21,391 (2011)15.4km
East Sahuarita1,622 (2006)15.9km
Summit5,372 (2011)17.9km
Valencia West9,355 (2011)19.0km


‡Ref.: Ransome, F.L. (1922) Ore deposits of the Sierrita Mountains, Pima County, Arizona, in Contributions to Economic Geology (Short Papers and Preliminary Reports), 1921 - Part I.--Metals and Nonmetals except Fuels: U.S. Geological Survey Bulletin 725J: 423-424.

Mayuga, M.N. (1942) The Geology and Ore Deposits of the Helmet Peak Area, Pima County, Arizona, PhD thesis, University of Arizona.

Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, Arizona Bureau of Mines Bull. 156: 48.

Waller, H.E., Jr. (1960) The geology of the Paymaster and Olivette mining areas, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 48 p.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 136 (Table 4).

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 382.

USGS Twin Buttes Quadrangle topo map.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10039582, MRDS ID #M050370; and, Dep. ID #10109608, MRDS ID #M050371; and, Dep. ID #10234712, MAS ID #0040190347.

A former small underground Ag-Pb-Zn-Cu-Au mine located in west-central sec. 11, T.17S., R.12E., near Olive Camp, about ½ mile South of San Xavier and 4¾ miles NNW of Twin Buttes. Owned/operated at times, or in part, by the Olive Camp Mining Co.; C.M. Taylor; and, J.P. Anderson.

Mineralization is a shallow-seated fissure deposit of argentiferous sulfides and sulfosalts, oxidized near the surface with rich silver chlorides, in narrow, lensing, brecciated, quartz-gouge filled, intersecting fissure veins cutting Cretaceous sedimentary beds in the San Xavier thrust block. Pyrite is found disseminated through the quartz monzonite porphyry where it is silicified and altered. High angle reverse and normal faults are found in the San Xavier Thrust Sheet paralleling its margins. The ore body is 914.4 meters long, 1.52 meters wide.

The prevailing rock in this area is light-colored Cretaceous arkose. Granite crops out as a small mass about 300 feet W of the Olivette shaft and probably underlies the present surface at no great depth.

The principal Olivette vein strikes N.80ºE. and dips 45ºNW. Near the Olivette shaft it is intersected by the Annette vein which strikes about N.8ºW. and dips 40ºNE. These veins for the most part are rather obscure at the surface. They consist of breccia about 3 to 5 feet wide between well-defined walls. The breccia contains streaks of quartz and ore minerals, and the ore shoots ranged from a few inches to 2 or more feet in width. Pyrite is found disseminated through the quartz monzonite porphyry where it is silicified and altered.

The Olivette and Annette claims were located in 1886. They were actively worked during 1887 and productive until 1893. In 1913 the Tucson Mining Co. built a concentrator of 100 tons daily capacity at the Olive Mine but nothing is known about its operation.

Workings developing the Olivette vein include two main inclined shafts about 75 feet apart, reported to be 210 feet deep and connected o the 200 level. The deepest work is reported to be at 300 feet. There are several vertical shafts of unknown depth. Total estimated and reported production, mainly in the late 1800's and early 1900's by 'chloriders', has been some 10,000 tons of ore averaging about 10 oz. Ag/T, 5% Pb, 1% Zn and minor Cu & Au. Total production from the property is reported to have been about $750,000 in silver. Some of the ore is reported to have contained from 100 to 300 ounces of silver per ton and more than 20% Pb.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Bornite
Formula: Cu5FeS4
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
Bornite var: Argentiferous Bornite
Formula: (Cu,Ag)5FeS4
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
Chalcocite
Formula: Cu2S
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
Chalcopyrite
Formula: CuFeS2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
Chlorargyrite
Formula: AgCl
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D. (1950): 48; 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: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
Pyrite
Formula: FeS2
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
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: 136 (Table 4); Ransome (1922): 423-424; Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Arizona Bureau of Mines file data.
'Tetrahedrite'
Formula: Cu6(Cu4X2)Sb4S13
Reference: Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Arizona Bureau of Mines file data..
'Tetrahedrite var: Argentian Tetrahedrite'
Formula: (Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
Reference: Wilson, E.D., et al (1950), Arizona zinc and lead deposits, part I, AZ Bur. Mines Bull. 156: 48; Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 136 (Table 4); Ransome (1922): 423-424; Arizona Bureau of Mines file data..

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
var: Argentiferous Bornite2.BA.15(Cu,Ag)5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
'Tetrahedrite'2.GB.05Cu6(Cu4X2)Sb4S13
'var: Argentian Tetrahedrite'2.GB.05(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
Chlorargyrite3.AA.15AgCl

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
'Tetrahedrite'3.3.6.1Cu6(Cu4X2)Sb4S13
Group 9 - NORMAL HALIDES
AX
Chlorargyrite9.1.4.1AgCl
Unclassified Minerals, Mixtures, etc.
Bornite
var: Argentiferous Bornite
-(Cu,Ag)5FeS4
'Tetrahedrite
var: Argentian Tetrahedrite'
-(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13

List of minerals for each chemical element

SSulfur
S Bornite (var: Argentiferous Bornite)(Cu,Ag)5FeS4
S ChalcopyriteCuFeS2
S ChalcociteCu2S
S GalenaPbS
S SphaleriteZnS
S PyriteFeS2
S Tetrahedrite (var: Argentian Tetrahedrite)(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
S BorniteCu5FeS4
S TetrahedriteCu6(Cu4X2)Sb4S13
ClChlorine
Cl ChlorargyriteAgCl
FeIron
Fe Bornite (var: Argentiferous Bornite)(Cu,Ag)5FeS4
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
Fe Tetrahedrite (var: Argentian Tetrahedrite)(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
Fe BorniteCu5FeS4
CuCopper
Cu Bornite (var: Argentiferous Bornite)(Cu,Ag)5FeS4
Cu ChalcopyriteCuFeS2
Cu ChalcociteCu2S
Cu Tetrahedrite (var: Argentian Tetrahedrite)(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
Cu BorniteCu5FeS4
Cu TetrahedriteCu6(Cu4X2)Sb4S13
ZnZinc
Zn SphaleriteZnS
Zn Tetrahedrite (var: Argentian Tetrahedrite)(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
AgSilver
Ag Bornite (var: Argentiferous Bornite)(Cu,Ag)5FeS4
Ag ChlorargyriteAgCl
Ag Tetrahedrite (var: Argentian Tetrahedrite)(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
SbAntimony
Sb Tetrahedrite (var: Argentian Tetrahedrite)(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
Sb TetrahedriteCu6(Cu4X2)Sb4S13
PbLead
Pb GalenaPbS

Other Databases

USGS MRDS Record:10039582

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

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