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Unnamed pegmatite prospect, Sierra Estrella Mountains, Gila River Indian Reservation, Pinal County, Arizona, USAi
Regional Level Types
Unnamed pegmatite prospectProspect
Sierra Estrella MountainsMountain Range
Gila River Indian ReservationReservation
Pinal CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
32° North , 111° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~95km
GRN:
N22W68
Type:
Prospect
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Mindat Locality ID:
40721
Long-form identifier:
mindat:1:2:40721:5
GUID (UUID V4):
0


A pegmatite prospect located in the SW¼ sec. 19, T2S, R2E, on Indian Reservation land.

Mineralization is a pegmatitic quartz vein that strikes N45ºW and dips 75ºSW. It is 6 feet wide at the shaft but lenses out within 25 feet SE-ward and 50 feet NW-ward.

Workings include a prospect shaft about 20 feet deep.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: Irreg.-shaped books 3 in. thick & 4 in. wide & 6 in. long max.
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2

Other Regions, Features and Areas containing this locality

Mexico
North AmericaContinent
North America PlateTectonic Plate
USA

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

Wilson, E.D. (1969) Mineral Deposits of the Gila River Indian Reservation, Arizona. Arizona Bureau of Mines Bull. 179, 34 pp.: 22.
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