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Giant Mine (Giant Tungsten prospect; Grand Mountain Mine; Grand Mountain claim; Giant Mine; Giant Nos. 3-10), Baboquivari Mining District, Baboquivari Mountains, Pima Co., Arizona, USAi
Regional Level Types
Giant Mine (Giant Tungsten prospect; Grand Mountain Mine; Grand Mountain claim; Giant Mine; Giant Nos. 3-10)Mine
Baboquivari Mining DistrictMining District
Baboquivari MountainsMountain Range
Pima Co.County
ArizonaState
USACountry

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Key
Latitude & Longitude (WGS84):
31° 43' 59'' North , 111° 40' 0'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
South Komelik111 (2011)10.1km
San Miguel197 (2011)17.3km
Topawa299 (2011)17.5km
Ali Chukson132 (2011)23.7km
Sells2,495 (2011)28.4km


Ref.: Dale, V.B., Stewart, L.A., and McKinney, W.A. (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Counties., Arizona, U.S. Bureau of Mines Report of Investigation 5650: 78-81.

Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 108 (Table 4).

MRDS database Dep. ID file #10009824, MRDS ID #D003057; and, Dep. ID #10039530, MRDS ID #M050227.

A former small surface W-Cu-Ag-Mo mine located in sec. 19 and North-central sec. 30, T.20S., R.7E., and secs. 24 & 25, T20S, R6E (protracted), about 2,000 feet NE of Chuivaya Well. Discovered 1951 by Mr. William H. Coplen. Owned at times, or in part, by Coplen; Shannon Mines, Inc.; and the Cinderra Mining & Engineering Co., Inc.

Mineralization is irrgular, disconnected quartz lenses with spotty scheelite and minor copper oxides in badly faulted Laramide quartzitic beds. Local skarn minerals and narrow aplite dikes. The ore strikes N-S and dips E to W. The quartzite bed is 4-6 feet thick. The scheelite occurs in discontinuous lenses.

The zoisite-bearing quartzite bed averaged 0.30% WO3 & 0.56% Mo03. The Grand Mountain claim averaged 0.19% WO3 & 0.04% Mo03. Ca-Al silicates inhibit magnetic separation of concentrates.

Workings include numerous open cuts and pits. Some 20 tons of low-grade copper-silver ore and about 50 tons of tungsten ore were produced in 1957.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 108 (Table 4); Dale, et al (1960): 78-81.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: MRDS database Dep. ID file #10039530, MRDS ID #M050227.
Molybdenite
Formula: MoS2
Reference: MRDS database Dep. ID file #10009824, MRDS ID #D003057.
Powellite
Formula: Ca(MoO4)
Reference: MRDS database Dep. ID file #10039530, MRDS ID #M050227.
Scheelite
Formula: Ca(WO4)
Description: Spotty.
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 108 (Table 4); Dale, et al (1960): 78-81.
Zoisite
Formula: Ca2Al3[Si2O7][SiO4]O(OH)
Reference: Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 108 (Table 4); Dale, et al (1960): 78-81.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Powellite7.GA.05Ca(MoO4)
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Zoisite9.BG.10Ca2Al3[Si2O7][SiO4]O(OH)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Scheelite48.1.2.1Ca(WO4)
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Zoisite58.2.1b.1Ca2Al3[Si2O7][SiO4]O(OH)

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
H MalachiteCu2(CO3)(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O ScheeliteCa(WO4)
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
O MalachiteCu2(CO3)(OH)2
O PowelliteCa(MoO4)
AlAluminium
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
SiSilicon
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
SSulfur
S MolybdeniteMoS2
CaCalcium
Ca ScheeliteCa(WO4)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Ca PowelliteCa(MoO4)
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu MalachiteCu2(CO3)(OH)2
MoMolybdenum
Mo MolybdeniteMoS2
Mo PowelliteCa(MoO4)
WTungsten
W ScheeliteCa(WO4)

Other Databases

USGS MRDS Record:10039530

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate
USA

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