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US highway 27 roadcut, Halls Gap, Lincoln Co., Kentucky, USAi
Regional Level Types
US highway 27 roadcutRoad Cutting
Halls GapGap
Lincoln Co.County
KentuckyState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84):
37° North , 84° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~25km
Locality type:
Köppen climate type:


Halls Gap is about 5 miles south of Stanford on US 27. This site is reopened as of 4/20/03 Hwy 27. Stanford is approximately 30 miles west of I-75 at Mt. Vernon. Take Hwy 150 West to Stanford. At the stoplight in Stanford, you will see the Wal-mart on your left. Turn left onto Hwy 27 and go approx 5 miles to the road cut where you will see a lot of boulders next to the road on the left. Park on the left side of the road. Be careful, there is heavy traffic coming down the hill on the productive side!

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


30 valid minerals.

Detailed Mineral List:

Anatase
Formula: TiO2
Reference: Rocks & Minerals 81:420-440
Baryte
Formula: BaSO4
Reference: Mineralogical Record, v. 28, n. 6, 1997
Calcite
Formula: CaCO3
Reference: Rocks & Minerals 81:420-440
Celestine
Formula: SrSO4
Reference: Rocks & Minerals 81:420-440
Cerussite
Formula: PbCO3
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Chalcocite ?
Formula: Cu2S
Reference: Rocks & Minerals 81:420-440
Chalcopyrite
Formula: CuFeS2
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Copiapite
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Rocks & Minerals 81:420-440
Dolomite
Formula: CaMg(CO3)2
Reference: Rocks & Minerals 81:420-440
Galena
Formula: PbS
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
'Glauconite'
Formula: (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Reference: Rocks & Minerals 81:420-440
Goethite
Formula: α-Fe3+O(OH)
Reference: Rocks & Minerals 81:420-440
Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Hematite
Formula: Fe2O3
Reference: Rocks & Minerals 81:420-440
Honessite ?
Formula: (Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2O
Reference: Rocks & Minerals 81:420-440
Hydrohonessite
Formula: (Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2O
Reference: Rocks & Minerals 81:420-440
Jamborite
Formula: Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Lepidocrocite
Formula: γ-Fe3+O(OH)
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Marcasite
Formula: FeS2
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Metavoltine
Formula: Na6K2FeFe6(SO4)12O2 · 18H2O
Reference: Rocks & Minerals 81:420-440
Millerite
Formula: NiS
Reference: [www.johnbetts-fineminerals.com]; Rocks & Minerals 81:420-440
Paratacamite
Formula: Cu3(Cu,Zn)(OH)6Cl2
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Pyrite
Formula: FeS2
Reference: [www.johnbetts-fineminerals.com]; Rocks & Minerals 81:420-440
Quartz
Formula: SiO2
Reference: Rocks & Minerals 81:420-440
Quartz var: Amethyst
Formula: SiO2
Reference: Rocks & Minerals 81:420-440
Quartz var: Chalcedony
Formula: SiO2
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Rocks & Minerals 81:420-440
Römerite
Formula: Fe2+Fe3+2(SO4)4 · 14H2O
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Smythite
Formula: (Fe,Ni)3+xS4 (x=0-0.3)
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Sphalerite
Formula: ZnS
Reference: Mineralogical Record, v. 28, n. 6, 1997 ; Rocks & Minerals 81:420-440
Sulphur
Formula: S8
Reference: Rocks & Minerals 81:420-440
Violarite
Formula: Fe2+Ni3+2S4
Reference: Rocks & Minerals 81:420-440
Voltaite
Formula: K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Reference: Rocks & Minerals 81:420-440

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Chalcocite ?2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Millerite2.CC.20NiS
Pyrite2.EB.05aFeS2
Smythite2.CC.10(Fe,Ni)3+xS4 (x=0-0.3)
Sphalerite2.CB.05aZnS
Violarite2.DA.05Fe2+Ni3+2S4
Group 3 - Halides
Paratacamite3.DA.10cCu3(Cu,Zn)(OH)6Cl2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Jamborite4.FL.05Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O
Lepidocrocite4.FE.15γ-Fe3+O(OH)
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Celestine7.AD.35SrSO4
Copiapite7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Halotrichite7.CB.85FeAl2(SO4)4 · 22H2O
Honessite ?7.DD.35(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2O
Hydrohonessite7.DD.35(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2O
Metavoltine7.DF.35Na6K2FeFe6(SO4)12O2 · 18H2O
Römerite7.CB.75Fe2+Fe3+2(SO4)4 · 14H2O
Voltaite7.CC.25K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Unclassified Minerals, Rocks, etc.
'Glauconite'-(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

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
AmBnXp, with (m+n):p = 2:1
Chalcocite ?2.4.7.1Cu2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Millerite2.8.16.1NiS
Smythite2.8.10.2(Fe,Ni)3+xS4 (x=0-0.3)
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 3:4
Violarite2.10.1.8Fe2+Ni3+2S4
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Anatase4.4.4.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Lepidocrocite6.1.2.2γ-Fe3+O(OH)
X(OH)3
Jamborite6.3.8.1Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Paratacamite10.1.2.1Cu3(Cu,Zn)(OH)6Cl2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AmBn(XO4)p·xH2O, with (m+n):p < 3:2 and > 1:1
Metavoltine29.4.6.1Na6K2FeFe6(SO4)12O2 · 18H2O
AB2(XO4)4·H2O
Halotrichite29.7.3.2FeAl2(SO4)4 · 22H2O
Römerite29.7.2.1Fe2+Fe3+2(SO4)4 · 14H2O
Miscellaneous
Voltaite29.9.1.1K2Fe2+5Fe3+3Al(SO4)12 · 18H2O
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
Miscellaneous
Copiapite31.10.5.1Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Honessite ?31.10.6.1(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2O
Hydrohonessite31.10.7.1(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2O
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
'Glauconite'71.2.2a.5(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
var: Amethyst-SiO2
var: Chalcedony-SiO2
var: Smoky Quartz-SiO2

List of minerals for each chemical element

HHydrogen
H JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
H Lepidocrociteγ-Fe3+O(OH)
H RömeriteFe2+Fe23+(SO4)4 · 14H2O
H HalotrichiteFeAl2(SO4)4 · 22H2O
H MalachiteCu2(CO3)(OH)2
H ParatacamiteCu3(Cu,Zn)(OH)6Cl2
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
H Goethiteα-Fe3+O(OH)
H Hydrohonessite(Ni1-xFex3+)(OH)2(SO4)x/2 · nH2O
H MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
H VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
H Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C CerussitePbCO3
C MalachiteCu2(CO3)(OH)2
OOxygen
O CalciteCaCO3
O QuartzSiO2
O DolomiteCaMg(CO3)2
O JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
O Lepidocrociteγ-Fe3+O(OH)
O CerussitePbCO3
O RömeriteFe2+Fe23+(SO4)4 · 14H2O
O HalotrichiteFeAl2(SO4)4 · 22H2O
O BaryteBaSO4
O Quartz (var: Chalcedony)SiO2
O MalachiteCu2(CO3)(OH)2
O ParatacamiteCu3(Cu,Zn)(OH)6Cl2
O AnataseTiO2
O CelestineSrSO4
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O Hydrohonessite(Ni1-xFex3+)(OH)2(SO4)x/2 · nH2O
O MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
O Quartz (var: Amethyst)SiO2
O Quartz (var: Smoky Quartz)SiO2
O VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
O Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
NaSodium
Na Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Na MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
AlAluminium
Al HalotrichiteFeAl2(SO4)4 · 22H2O
Al Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Al VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
SiSilicon
Si QuartzSiO2
Si Quartz (var: Chalcedony)SiO2
Si Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Si Quartz (var: Amethyst)SiO2
Si Quartz (var: Smoky Quartz)SiO2
SSulfur
S MilleriteNiS
S PyriteFeS2
S JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
S SphaleriteZnS
S GalenaPbS
S RömeriteFe2+Fe23+(SO4)4 · 14H2O
S HalotrichiteFeAl2(SO4)4 · 22H2O
S Smythite(Fe,Ni)3+xS4 (x=0-0.3)
S BaryteBaSO4
S MarcasiteFeS2
S ChalcopyriteCuFeS2
S CelestineSrSO4
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S Hydrohonessite(Ni1-xFex3+)(OH)2(SO4)x/2 · nH2O
S MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
S SulphurS8
S ViolariteFe2+Ni23+S4
S VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
S ChalcociteCu2S
S Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
ClChlorine
Cl ParatacamiteCu3(Cu,Zn)(OH)6Cl2
KPotassium
K Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
K MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
K VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
TiTitanium
Ti AnataseTiO2
FeIron
Fe PyriteFeS2
Fe Lepidocrociteγ-Fe3+O(OH)
Fe RömeriteFe2+Fe23+(SO4)4 · 14H2O
Fe HalotrichiteFeAl2(SO4)4 · 22H2O
Fe Smythite(Fe,Ni)3+xS4 (x=0-0.3)
Fe MarcasiteFeS2
Fe ChalcopyriteCuFeS2
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe Glauconite(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe Hydrohonessite(Ni1-xFex3+)(OH)2(SO4)x/2 · nH2O
Fe MetavoltineNa6K2FeFe6(SO4)12O2 · 18H2O
Fe ViolariteFe2+Ni23+S4
Fe VoltaiteK2Fe52+Fe33+Al(SO4)12 · 18H2O
Fe Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
CoCobalt
Co JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
NiNickel
Ni MilleriteNiS
Ni JamboriteNi2+1-xCox3+(OH)2-x(SO4)x · nH2O
Ni Smythite(Fe,Ni)3+xS4 (x=0-0.3)
Ni Hydrohonessite(Ni1-xFex3+)(OH)2(SO4)x/2 · nH2O
Ni ViolariteFe2+Ni23+S4
Ni Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcopyriteCuFeS2
Cu ParatacamiteCu3(Cu,Zn)(OH)6Cl2
Cu ChalcociteCu2S
ZnZinc
Zn SphaleriteZnS
Zn ParatacamiteCu3(Cu,Zn)(OH)6Cl2
SrStrontium
Sr CelestineSrSO4
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS
Pb CerussitePbCO3

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