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⇱ Sky Lode Occurrence, Unorganized mining district [1], Custer County, South Dakota, USA

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Sky Lode Occurrence, Unorganized mining district [1], Custer County, South Dakota, USAi
Regional Level Types
Sky Lode OccurrenceOccurrence
Unorganized mining district [1]Mining District
Custer CountyCounty
South DakotaState
USACountry

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Latitude & Longitude (WGS84):
43° 50' 50'' North , 103° 37' 22'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Custer1,952 (2017)9.2km
Hill City995 (2017)10.2km
Keystone343 (2017)17.2km
Pringle109 (2017)26.6km
Johnson Siding659 (2017)30.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Western Dakota Gem & Mineral SocietyRapid City, South Dakota41km
Mindat Locality ID:
121406
Long-form identifier:
mindat:1:2:121406:5
GUID (UUID V4):
0


REF:USBM INFO CIRC 7707, P. 82
Deposit:: REDDEN,J.A.,1968,USGS PROF. PAPER 297-F,P 376
Commodities (Major) - Lithium, Feldspar; (Trace) - Mica
Development Status: Occurrence
Host Rock: Granite, Pegmatite

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

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'K Feldspar'
ⓘ 'Mica Group'
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Quartz
Formula: SiO2
ⓘ Spodumene
Formula: LiAlSi2O6
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Mica Group'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Liⓘ SpodumeneLiAlSi2O6
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ SpodumeneLiAlSi2O6
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SpodumeneLiAlSi2O6
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SpodumeneLiAlSi2O6
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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