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Unnamed copper deposit (12), Oracle Junction area, Owl Head Mining District, Tortolita Mountains, Pinal County, Arizona, USAi
Regional Level Types
Unnamed copper deposit (12)Deposit
Oracle Junction areaArea
Owl Head Mining DistrictMining District
Tortolita MountainsMountain Range
Pinal CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
32° 34' 35'' North , 111° 1' 8'' West
Latitude & Longitude (decimal):
32.57639,-111.01889
GeoHash:
G#: 9tc13dqe0
GRN:
N22W67
Type:
Deposit
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Catalina7,569 (2011)12.1km
Saddle Brooke9,614 (2017)14.4km
Tortolita4,274 (2006)18.5km
Oro Valley43,565 (2017)21.2km
Oracle3,686 (2011)23.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Old Pueblo Lapidary ClubTucson, Arizona40km
Tucson Gem and Mineral SocietyTucson, Arizona40km
Mindat Locality ID:
130511
Long-form identifier:
mindat:1:2:130511:4
GUID (UUID V4):
0


A Cu occurrence located in sec. 8, T10S, R13E, about 6 miles ESE of Owl Head Buttes and about 5 miles W of Oracle Junction, on private land.

Mineralization is in a shear zone(s) hosted in Samaniego Quartz Monzonite. Massive quartz veins occur; probably gash veins with light pyrite - chalcopyrite, now oxidized. The ore zone strikes N30-40E, dips vertically to 55E, and is 30.48 meters wide. Gold possibly occurs but is not coarse enough to see. Strong shearing of quartz monzonite at vein edges. Alteration is sericitic. Ore control was shear zones.

Workings include a 15 foot adit and a 50 foot deep shaft.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘvar. Specularite4.CB.05Fe2O3
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

List of minerals for each chemical element

HHydrogen
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ HematiteFe2O3
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ HematiteFe2O3
Feⓘ Hematite var. SpeculariteFe2O3
CuCopper
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

Other Databases

Link to USGS MRDS:10039970

Other Regions, Features and Areas containing this locality

Mexico
North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Banks, N.G., Field Exam.
MRDS database Dep. ID #10039970, MRDS ID #M051189.
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