Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Pentland Mine (Arizona Copper property), Big Bug Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USAi
Regional Level Types
Pentland Mine (Arizona Copper property)Mine
Big Bug Mining DistrictMining District
Bradshaw Mountains (Bradshaw Range)Mountain Range
Yavapai CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
34° 25' 27'' North , 112° 16' 13'' West
Latitude & Longitude (decimal):
34.42417,-112.27028
GeoHash:
G#: 9w05v4xr2
GRN:
N23W67
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Mayer1,497 (2011)4.3km
Dewey-Humboldt3,894 (2011)12.0km
Spring Valley1,148 (2011)13.5km
Cordes Lakes2,633 (2011)20.0km
Prescott Valley42,197 (2017)21.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Prescott Gem & Mineral ClubPrescott Valley, Arizona21km
Black Canyon City Rock ClubBlack Canyon City, Arizona41km
Mingus Gem & Mineral ClubCottonwood, Arizona42km
Verde River RockhoundsCottonwood, Arizona42km
Mindat Locality ID:
52624
Long-form identifier:
mindat:1:2:52624:6
GUID (UUID V4):
0


An underground Cu-Ag-Pb mine/prospect located NW of Mayer.

Host rock is chlorite schist.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
Description: Occurs in schist.
ⓘ Pyrite
Formula: FeS2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
AsArsenic
Asⓘ ArsenopyriteFeAsS

Other Regions, Features and Areas containing this locality

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

USGS Poland Junction Quadrangle map.
MRDS database Dep. ID #10283866, MAS ID #040251000.
Arizona Mining Journal (1918) January, 1918: 24.
Arizona Mining Journal (1918) June, 1918: 44.
Yavapai Magazine (1918) March, 1918: 5 (Sharlot Hall Museum, Prescott, AZ).
Lindgren, W. (1926), Ore deposits of the Jerome and Bradshaw Mountains quadrangles, Arizona, USGS Bull. 782: 141.
Webb, W.F. (1979) Precambrian Geology and Ore Deposits near Poland Junction. M.S. thesis, University of Arizona.
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