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Fairburn, Custer Co., South Dakota, USAi
Regional Level Types
Fairburn- not defined -
Custer Co.County
South DakotaState
USACountry

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Key
Latitude & Longitude (WGS84):
43° 38' 59'' North , 103° 3' 36'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Hermosa392 (2017)23.6km
Buffalo Gap121 (2017)26.9km
Keystone343 (2017)39.6km
Hot Springs3,532 (2017)41.3km
Green Valley928 (2017)43.0km


10 miles east of Fairburn, large eliptical area extending north into Pennington County and south to near Orella, Crawford County, Nebraska. The region is best known as a collecting area for the well-known "Fairburn Agate". Outcrops of the Pierre Shale directly east of Fairburn expose concretions that sometimes contain calcite and golden barite, better known from the Elk Creek region 50-60 km to the north.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

5 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: E. L. Clopton collection
Calcite
Formula: CaCO3
Reference: E. L. Clopton collection
Copper ?
Formula: Cu
Description: 6 miles west of town.
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Microcline
Formula: K(AlSi3O8)
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Quartz
Formula: SiO2
Reference: [Clark, 1993 - "Hey's Mineral Index"]
Quartz var: Agate
Reference: [Clark, 1993 - "Hey's Mineral Index"]
Quartz var: Chalcedony
Formula: SiO2
Reference: [Clark, 1993 - "Hey's Mineral Index"]
Quartz var: Fairburn Agate
Formula: SiO2
Reference: [Clark, 1993 - "Hey's Mineral Index"]
Quartz var: Fortification Agate
Formula: SiO2
Quartz var: Jasper
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper ?1.AA.05Cu
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Fairburn Agate4.DA.05SiO2
var: Fortification Agate4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
Microcline9.FA.30K(AlSi3O8)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper ?1.1.1.3Cu
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Quartz
var: Agate
-SiO2
var: Chalcedony-SiO2
var: Fairburn Agate-SiO2
var: Fortification Agate-SiO2
var: Jasper-SiO2

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O Quartz (var: Fairburn Agate)SiO2
O Quartz (var: Fortification Agate)SiO2
O MicroclineK(AlSi3O8)
O QuartzSiO2
O CalciteCaCO3
O BaryteBaSO4
O Quartz (var: Chalcedony)SiO2
AlAluminium
Al MicroclineK(AlSi3O8)
SiSilicon
Si Quartz (var: Fairburn Agate)SiO2
Si Quartz (var: Fortification Agate)SiO2
Si MicroclineK(AlSi3O8)
Si QuartzSiO2
Si Quartz (var: Chalcedony)SiO2
SSulfur
S BaryteBaSO4
KPotassium
K MicroclineK(AlSi3O8)
CaCalcium
Ca CalciteCaCO3
CuCopper
Cu CopperCu
BaBarium
Ba BaryteBaSO4

Localities in this Region


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