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Muldraugh dome, Muldraugh (Fort Knox), Meade Co., Kentucky, USA

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 37° North , 86° West (est.)
Margin of Error:~22km
Locality type:Dome
Köppen climate type:Cfa : Humid subtropical climate


Pipeline trails and stream beds one mile west of US 31W at Muldraugh. Geodes from 1 cm to 30 cm in diameter. Area is surrounded by Fort Knox. Collecting area on the flanks of Muldraugh dome, a compact geologic structure. Mineralization around the dome is unique for Kentucky geodes. Collecting permission should be obtained from the ranger (law enforcement) at Fort Knox.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Aragonite
Formula: CaCO3
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
'Bitumen'
Calcite
Formula: CaCO3
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Celestine
Formula: SrSO4
Dolomite
Formula: CaMg(CO3)2
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Dolomite var: Ferroan Dolomite
Formula: Ca(Mg,Fe)(CO3)2
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Fluorite
Formula: CaF2
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Goethite
Formula: α-Fe3+O(OH)
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Gypsum
Formula: CaSO4 · 2H2O
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Millerite
Formula: NiS
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Quartz var: Chalcedony
Formula: SiO2
Reference: Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
Strontianite
Formula: SrCO3
Sulphur
Formula: S8

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Millerite2.CC.20NiS
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Aragonite'5.AB.15CaCO3
'Calcite'5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
var: Ferroan Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Celestine'7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
var: Selenite7.CD.40CaSO4 · 2H2O
Unclassified Minerals, Rocks, etc.
'Bitumen'-
Limonite-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Millerite2.8.16.1NiS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Strontianite14.1.3.3SrCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Aragonite-CaCO3
'Bitumen'-
Dolomite
var: Ferroan Dolomite
-Ca(Mg,Fe)(CO3)2
Gypsum
var: Selenite
-CaSO4 · 2H2O
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H Limonite(Fe,O,OH,H2O)
H Gypsum (var: Selenite)CaSO4 · 2H2O
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
C StrontianiteSrCO3
OOxygen
O AragoniteCaCO3
O CalciteCaCO3
O CelestineSrSO4
O Quartz (var: Chalcedony)SiO2
O DolomiteCaMg(CO3)2
O Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O Limonite(Fe,O,OH,H2O)
O QuartzSiO2
O Gypsum (var: Selenite)CaSO4 · 2H2O
O StrontianiteSrCO3
FFluorine
F FluoriteCaF2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si QuartzSiO2
SSulfur
S CelestineSrSO4
S GypsumCaSO4 · 2H2O
S MilleriteNiS
S PyriteFeS2
S Gypsum (var: Selenite)CaSO4 · 2H2O
S SulphurS8
CaCalcium
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
Ca Gypsum (var: Selenite)CaSO4 · 2H2O
FeIron
Fe Dolomite (var: Ferroan Dolomite)Ca(Mg,Fe)(CO3)2
Fe Goethiteα-Fe3+O(OH)
Fe Limonite(Fe,O,OH,H2O)
Fe PyriteFeS2
NiNickel
Ni MilleriteNiS
SrStrontium
Sr CelestineSrSO4
Sr StrontianiteSrCO3

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