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Pikes Peak, El Paso Co., Colorado, USAi
Regional Level Types
Pikes PeakPeak
El Paso Co.County
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
38° 50' 25'' North , 105° 2' 30'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Midland156 (2011)10.6km
Green Mountain Falls656 (2017)10.7km
Manitou Springs5,334 (2017)11.0km
Cascade-Chipita Park1,655 (2011)12.0km
Stratton644 (2006)13.9km


A mountain ((4,302 m) in the Front Range of the Rocky Mountains.
One of several mountains formed by erosion of the Pikes Peak batholith, famous for miarolitic cavities with smokey quartz, amazonite, topaz, and others.

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

39 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: MinRec 16:217-230
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: Adam Sotomayor
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: MinRec 16:217-230
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Apatite var: Carbonate-rich Apatite'
Reference: Minerals of Colorado (1997) Eckel, E. B.
Aragonite
Formula: CaCO3
Reference: MinRec 16:217-230
Barylite
Formula: Be2Ba(Si2O7)
Reference: MinRec 16:217-230
Baryte
Formula: BaSO4
Reference: MinRec 16:217-230
'Bastnäsite'
Reference: MinRec 16:217-230
Bertrandite
Formula: Be4(Si2O7)(OH)2
Reference: MinRec 16:217-230
Beryl
Formula: Be3Al2(Si6O18)
Reference: MinRec 16:217-230
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: MinRec 16:217-230
Calcite
Formula: CaCO3
Reference: MinRec 16:217-230
Cassiterite
Formula: SnO2
Reference: MinRec 16:217-230
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Chevkinite Group'
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Chlorite Group'
Reference: MinRec 16:217-230
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Minerals of Colorado (1997) Eckel, E. B.
Columbite-(Fe)
Formula: Fe2+Nb2O6
Reference: MinRec 16:217-230
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Minerals of Colorado (1997) Eckel, E. B.
Fluorite
Formula: CaF2
Reference: MinRec 16:217-230
Goethite
Formula: α-Fe3+O(OH)
Hematite
Formula: Fe2O3
Reference: MinRec 16:217-230
Ilmenite
Formula: Fe2+TiO3
Reference: MinRec 16:217-230
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: D.E. Keale, 2002 Denver Annual Meeting (Oct. 27-30, 2002), Session N° 158, Paper 158-6 : "Mineralogy and Provenance of Clay Minerals in Miarolitic Cavities of the Pikes Peak Batholith, Colorado".
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: S. Voynick (1994) Colorado Rockhounding
Microcline
Formula: K(AlSi3O8)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: Eckel, E.B. (1997) Minerals of Colorado.; Foord, Eugene E. (1979) X-ray, chemical and morphological studies on amazonite from the Pike's Peak region, Colorado. Friends of Mineralogy Colorado Chapter Newsletter 2(1) (February 1979) [http://friendsofmineralogycolorado.org/wp-content/uploads/2015/11/1979_02_Feb_FMCC_newsletter_v_2_no_1.pdf]
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Reference: Minerals of Colorado (1997) E.B. Eckel
'Monazite'
Reference: MinRec 16:217-230
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Minerals of Colorado (1997) Eckel, E. B.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MinRec 16:217-230
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: D.E. Keale, 2002 Denver Annual Meeting (Oct. 27-30, 2002), Session N° 158, Paper 158-6 : "Mineralogy and Provenance of Clay Minerals in Miarolitic Cavities of the Pikes Peak Batholith, Colorado".
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Reference: MinRec 16:217-230
Orthoclase
Formula: K(AlSi3O8)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Phenakite
Formula: Be2SiO4
Reference: Adam Sotomayor
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: AmMin 85:1275-1286 (2000)
Phlogopite var: Ferroan Phlogopite
Formula: K(Mg,Fe2+)3AlSi3O10(F,OH)2
Reference: AmMin 85:1275-1286 (2000)
Polylithionite
Formula: KLi2Al(Si4O10)(F,OH)2
Reference: AmMin 85:1275-1286 (2000)
Pyrite
Formula: FeS2
Reference: MinRec 16:217-230
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: [MinRec 16:228]
Pyrrhotite
Formula: Fe7S8
Reference: Minerals of Colorado (1997) E.B. Eckel
Quartz
Formula: SiO2
Reference: MinRec 16:217-230
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Rutile
Formula: TiO2
Reference: Minerals of Colorado (1997) E.B. Eckel
Samarskite-(Y)
Formula: YFe3+Nb2O8
Reference: MinRec 16:217-230
Sanidine
Formula: K(AlSi3O8)
Reference: MinRec 16:217-230
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: MinRec 16:217-230
Siderophyllite (TL)
Formula: KFe2+2Al(Al2Si2O10)(OH)2
Type Locality:
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Description: Expandable mixed-layer illite-smectite clays.
Reference: D.E. Keale, 2002 Denver Annual Meeting (Oct. 27-30, 2002), Session N° 158, Paper 158-6 : "Mineralogy and Provenance of Clay Minerals in Miarolitic Cavities of the Pikes Peak Batholith, Colorado".
Thorite
Formula: Th(SiO4)
Reference: MinRec 16:217-230
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Xenotime-(Y)
Formula: Y(PO4)
Reference: MinRec 16:217-230
'Zinnwaldite'
Reference: MinRec 16:217-230
Zircon
Formula: Zr(SiO4)
Reference: MinRec 16:217-230

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cassiterite4.DB.05SnO2
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
'Microlite Group'4.00.A2-mTa2X6-wZ-n
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Samarskite-(Y)4.DB.25YFe3+Nb2O8
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
Barylite9.BB.15Be2Ba(Si2O7)
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Phenakite9.AA.05Be2SiO4
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
var: Ferroan Phlogopite9.EC.20K(Mg,Fe2+)3AlSi3O10(F,OH)2
Polylithionite9.EC.20KLi2Al(Si4O10)(F,OH)2
Sanidine9.FA.30K(AlSi3O8)
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Siderophyllite (TL)9.EC.20KFe2+2Al(Al2Si2O10)(OH)2
Thorite9.AD.30Th(SiO4)
Topaz9.AF.35Al2(SiO4)(F,OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'var: Carbonate-rich Apatite'-Ca5(PO4)3(Cl/F/OH)
'Bastnäsite'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chevkinite Group'-
'Chlorite Group'-
'Limonite'-(Fe,O,OH,H2O)
'Monazite'-
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
'Zinnwaldite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Cassiterite4.4.1.5SnO2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Samarskite-(Y)8.1.11.1YFe3+Nb2O8
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
AB2O6
Columbite-(Fe)8.3.2.2Fe2+Nb2O6
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [4] coordination
Phenakite51.1.1.1Be2SiO4
Insular SiO4 Groups Only with cations in >[6] coordination
Thorite51.5.2.3Th(SiO4)
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 55 - SOROSILICATES Si2O7 Groups,Generally with no Additional Anions
Si2O7 Groups, Generally with no Additional Anions with cations in [4] and higher coordination
Barylite55.1.1.1Be2Ba(Si2O7)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Bertrandite56.1.1.1Be4(Si2O7)(OH)2
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Elbaite61.3.1.8Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Polylithionite71.2.2b.8KLi2Al(Si4O10)(F,OH)2
Siderophyllite (TL)71.2.2b.5KFe2+2Al(Al2Si2O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
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
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Orthoclase76.1.1.1K(AlSi3O8)
Sanidine76.1.1.2K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Cleavelandite
-Na(AlSi3O8)
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'var: Carbonate-rich Apatite'-Ca5(PO4)3(Cl/F/OH)
Aragonite-CaCO3
'Bastnäsite'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chevkinite Group'-
'Chlorite Group'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
Microcline
var: Amazonite
-K(AlSi3O8)
'Monazite'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
Phlogopite
var: Ferroan Phlogopite
-K(Mg,Fe2+)3AlSi3O10(F,OH)2
Quartz
var: Smoky Quartz
-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O
Xenotime-(Y)-Y(PO4)
'Zinnwaldite'-

List of minerals for each chemical element

HHydrogen
H SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
H Pyrochlore GroupA2Nb2(O,OH)6Z
H Goethiteα-Fe3+O(OH)
H TopazAl2(SiO4)(F,OH)2
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H BertranditeBe4(Si2O7)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H AnniteKFe32+(AlSi3O10)(OH)2
H Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H KaoliniteAl2(Si2O5)(OH)4
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Limonite(Fe,O,OH,H2O)
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
LiLithium
Li PolylithioniteKLi2Al(Si4O10)(F,OH)2
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be BaryliteBe2Ba(Si2O7)
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
Be PhenakiteBe2SiO4
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
OOxygen
O SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
O Pyrochlore GroupA2Nb2(O,OH)6Z
O Goethiteα-Fe3+O(OH)
O TopazAl2(SiO4)(F,OH)2
O Quartz (var: Smoky Quartz)SiO2
O Microcline (var: Amazonite)K(AlSi3O8)
O OrthoclaseK(AlSi3O8)
O MicroclineK(AlSi3O8)
O AlbiteNa(AlSi3O8)
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O AragoniteCaCO3
O BaryteBaSO4
O BaryliteBe2Ba(Si2O7)
O BertranditeBe4(Si2O7)(OH)2
O BerylBe3Al2(Si6O18)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O CalciteCaCO3
O CassiteriteSnO2
O Columbite-(Fe)Fe2+Nb2O6
O HematiteFe2O3
O IlmeniteFe2+TiO3
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O Samarskite-(Y)YFe3+Nb2O8
O SanidineK(AlSi3O8)
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O ThoriteTh(SiO4)
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
O AnniteKFe32+(AlSi3O10)(OH)2
O Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
O PolylithioniteKLi2Al(Si4O10)(F,OH)2
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O KaoliniteAl2(Si2O5)(OH)4
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O FluorapatiteCa5(PO4)3F
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O RutileTiO2
O Albite (var: Cleavelandite)Na(AlSi3O8)
O PhenakiteBe2SiO4
O Limonite(Fe,O,OH,H2O)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F TopazAl2(SiO4)(F,OH)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F FluoriteCaF2
F Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
F PolylithioniteKLi2Al(Si4O10)(F,OH)2
F FluorapatiteCa5(PO4)3F
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AlbiteNa(AlSi3O8)
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Albite (var: Cleavelandite)Na(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
Al TopazAl2(SiO4)(F,OH)2
Al Microcline (var: Amazonite)K(AlSi3O8)
Al OrthoclaseK(AlSi3O8)
Al MicroclineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SanidineK(AlSi3O8)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al AnniteKFe32+(AlSi3O10)(OH)2
Al Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
Al PolylithioniteKLi2Al(Si4O10)(F,OH)2
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al KaoliniteAl2(Si2O5)(OH)4
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
Si TopazAl2(SiO4)(F,OH)2
Si Quartz (var: Smoky Quartz)SiO2
Si Microcline (var: Amazonite)K(AlSi3O8)
Si OrthoclaseK(AlSi3O8)
Si MicroclineK(AlSi3O8)
Si AlbiteNa(AlSi3O8)
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si BaryliteBe2Ba(Si2O7)
Si BertranditeBe4(Si2O7)(OH)2
Si BerylBe3Al2(Si6O18)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SanidineK(AlSi3O8)
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si ThoriteTh(SiO4)
Si ZirconZr(SiO4)
Si AnniteKFe32+(AlSi3O10)(OH)2
Si Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
Si PolylithioniteKLi2Al(Si4O10)(F,OH)2
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si KaoliniteAl2(Si2O5)(OH)4
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si PhenakiteBe2SiO4
Si PhlogopiteKMg3(AlSi3O10)(OH)2
PPhosphorus
P Xenotime-(Y)Y(PO4)
P FluorapatiteCa5(PO4)3F
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
S PyriteFeS2
S PyrrhotiteFe7S8
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
K Microcline (var: Amazonite)K(AlSi3O8)
K OrthoclaseK(AlSi3O8)
K MicroclineK(AlSi3O8)
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K SanidineK(AlSi3O8)
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K AnniteKFe32+(AlSi3O10)(OH)2
K Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
K PolylithioniteKLi2Al(Si4O10)(F,OH)2
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca FluoriteCaF2
Ca FluorapatiteCa5(PO4)3F
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
FeIron
Fe SiderophylliteKFe22+Al(Al2Si2O10)(OH)2
Fe Goethiteα-Fe3+O(OH)
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Columbite-(Fe)Fe2+Nb2O6
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe Samarskite-(Y)YFe3+Nb2O8
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe Phlogopite (var: Ferroan Phlogopite)K(Mg,Fe2+)3AlSi3O10(F,OH)2
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe PyrrhotiteFe7S8
Fe Limonite(Fe,O,OH,H2O)
YYttrium
Y Samarskite-(Y)YFe3+Nb2O8
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
Nb Columbite-(Fe)Fe2+Nb2O6
Nb Samarskite-(Y)YFe3+Nb2O8
SnTin
Sn CassiteriteSnO2
BaBarium
Ba BaryteBaSO4
Ba BaryliteBe2Ba(Si2O7)
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n
ThThorium
Th ThoriteTh(SiO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 2975257
Rocks of Pikes Peak Batholith (1000-m.y. age group)

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Pikes Peak Granite; Mount Rosa Granite; Windy Point Granite; Redskin Granite

Description: Includes Pikes Peak, Mount Rosa, Windy Point, and Redskin Granites and unnamed rocks

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{granite,alkali feldspar granite}, Minor:{quartz monzonite}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Paleoproterozoic
1600 - 2500 Ma



ID: 3186950
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Lithology: Orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Barker, F., Wones, D.R., Sharp, W.N., and Desborough, G.A. (1975) The Pikes Peak batholith, Colorado Front Range, and a model for the origin of the gabbro-anorthosite-syenite-potassic granite suite. Precambrian Research: 2: 97-160.
Foord, Eugene E. (1979) X-ray, chemical and morphological studies on amazonite from the Pike's Peak region, Colorado. Friends of Mineralogy Colorado Chapter Newsletter 2(1) (February 1979), 3-4.
Smith, D.R., Noblett, J., Wobus, R.A., Unruh, D., Douglass, J., Beane, R., Davis, C., Goldman, S., Kay, G., Gustavson, B., Saltoun, B., and Stewart, J. (1999) Petrology and geochemistry of late-stage intrusions of the A-type, mid-Proterozoic Pikes Peak batholith (central Colorado, USA): implications for petrogenic models. Precambrian Research: 98: 271-305.

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