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Downey & Gallen occurrence, Galen Mining District, Black Mountains, Mohave County, Arizona, USAi
Regional Level Types
Downey & Gallen occurrenceProspect
Galen Mining DistrictMining District
Black MountainsMountain Range
Mohave CountyCounty
ArizonaState
USACountry

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Latitude & Longitude (WGS84):
35° 43' 23'' North , 114° 33' 12'' West
Latitude & Longitude (decimal):
35.72307,-114.55360
GeoHash:
G#: 9qqe1r0tg
GRN:
N24W67
Type:
Prospect
Köppen climate type:
BWh : Hot deserts climate
Nearest Settlements:
PlacePopulationDistance
White Hills323 (2011)14.2km
Dolan Springs2,033 (2011)29.2km
Boulder City15,551 (2017)37.9km
Searchlight539 (2011)43.8km
Chloride271 (2011)46.9km
Mindat Locality ID:
106196
Long-form identifier:
mindat:1:2:106196:6
GUID (UUID V4):
0
Other/historical names associated with this locality:
D&G Mining Company; Black Mountain prospect


A Mo-Cu occurrence/prospect located in T27N, R21W, G&SRM, 1 mile S of the Pope Mine, on private land. The USGS MRDS database accuracy for this locality is not stated.

Mineralization is a quartz-sericite vein deposit hosted in gneiss. Local alteration includes sericitic and phyllic alteration. Associated rocks include Late Cretaceous plutonic rocks. Local rocks include Middle Miocene to Oligocene sedimentary rocks.

Workings include exploratory activities including geophysics & drilling by Bear Creek, etc.; New Jersey Zinc Company; geochemical surveys.

Analytical data results: Large geochemical anomaly.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


4 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:

ⓘ Chalcocite
Formula: Cu2S
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Description: As gangue in a quartz-sericite vein.
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Description: As gangue in a quartz-sericite vein.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘMolybdenite2.EA.30MoS2
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ⓘ MuscoviteKAl2(AlSi3O10)(OH)2
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
SSulfur
Sⓘ ChalcociteCu2S
Sⓘ MolybdeniteMoS2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CuCopper
Cuⓘ ChalcociteCu2S
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
MoMolybdenum
Moⓘ MolybdeniteMoS2

Other Databases

Link to USGS MRDS:10037086

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

Arizona Bureau of Geology file data.
USGS MRDS ID #M030369.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
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