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Chouteau Co., Montana, USA i
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Chouteau Co. County
Montana State
USA Country

Regional Level Types
Chouteau Co.	County
Montana	State
USA	Country

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Neighbouring regions:

Cascade Co., Montana, USA

Liberty Co., Montana, USA

Pondera Co., Montana, USA

Teton Co., Montana, USA

Blaine Co., Montana, USA

Fergus Co., Montana, USA

Hill Co., Montana, USA

Judith Basin Co., Montana, USA

Locality type:

County

Largest Settlements:

Place	Population
Fort Benton	1,460 (2017)
Big Sandy	593 (2017)
Boneau	380 (2011)
Geraldine	263 (2017)
Highwood	176 (2011)

Other Languages:

View 31 more...

French:

comté de Chouteau, Montana, États-Unis

German:

Chouteau County, Montana, Vereinigte Staaten

Italian:

contea di Chouteau, Montana, Stati Uniti d'America

Russian:

Шуто, Монтана, Соединённые Штаты Америки

Simplified Chinese:

舒托縣, 蒙大拿州, 美国

Spanish:

Condado de Chouteau, Montana, Estados Unidos

Albanian:

Chouteau County, Montana, Shtetet e Bashkuara të Amerikës

Arabic:

مقاطعة تشوتيو, مونتانا, الولايات المتحدة

Armenian:

Շուտո շրջան, Մոնտանա, Ամերիկայի Միացյալ Նահանգներ

Basque:

Chouteau konderria , Montana

Bavarian:

Chouteau County, Montana, Vaoanigte Stootn

Bishnupriya Manipuri:

চৌতেউ কাউন্টি, মন্টানা, তিলপারাষ্ট্র

Bulgarian:

Шуто, Монтана, Съединени американски щати

Cebuano:

Chouteau County, Montana

Dutch:

Chouteau County, Montana, Verenigde Staten

Farsi/Persian:

شهرستان چووتاو، مونتانا, مونتانا, ایالات متحده آمریکا

Georgian:

შუტოს ოლქი, მონტანა, ამერიკის შეერთებული შტატები

Hungarian:

Chouteau megye, Montana, Amerikai Egyesült Államok

Japanese:

シュートー郡, モンタナ州, アメリカ合衆国

Low Saxon/Low German:

Chouteau County, Montana, USA

Min Dong Chinese:

Chouteau Gông, Montana

Minnan / Hokkien-Taiwanese:

Chouteau Kūn

Norwegian:

Chouteau County, Montana, USA

Polish:

Hrabstwo Chouteau, Montana, Stany Zjednoczone

Portuguese:

Condado de Chouteau, Montana, Estados Unidos

Romanian:

Comitatul Chouteau, Montana, Statele Unite ale Americii

Sardinian:

contea de Chouteau, Montana, Istados Unidos de Amèrica

Scottish Gaelic:

Chouteau County, Montana, Na Stàitean Aonaichte

Serbian:

Округ Шото, Монтана, Сједињене Америчке Државе

Serbo-Croatian:

Chouteau County, Montana, Sjedinjene Američke Države

Swedish:

Chouteau County, Montana, USA

Turkish:

Chouteau, Montana, Amerika Birleşik Devletleri

Ukrainian:

Чуто, Монтана, Сполучені Штати Америки

Urdu:

چوٹیئو کاؤنٹی، مونٹانا, مونٹانا, ریاستہائے متحدہ امریکا

Vietnamese:

Quận Chouteau, Montana, Chủng Quốc Hoa Kỳ

Waray:

Condado han Chouteau, Montana, Estados Unidos

Western Punjabi:

چوٹیاؤ کاؤنٹی،مونٹانا, مونٹانا, امریکہ

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This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

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

31 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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

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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.; W. P. Nash, Lawrence M. Monson, (1987) "Shonkin Sag laccolith; A differentiated alkaline intrusion, Highwood Mountains, Montana", Rocky Mountain Section of the Geological Society of America, Stanley S. Beus

ⓘ Analcime

Formula: Na(AlSi₂O₆) · H₂O

Locality: Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ Andradite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: W. P. Nash, Lawrence M. Monson, (1987) "Shonkin Sag laccolith; A differentiated alkaline intrusion, Highwood Mountains, Montana", Rocky Mountain Section of the Geological Society of America, Stanley S. Beus

ⓘ Andradite var. Melanite

Formula: Ca₃(Fe³⁺,Ti)₂(SiO₄)₃

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Annite

Formula: KFe²⁺₃(AlSi₃O₁₀)(OH)₂

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Localities:

Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Jay Ellis Ransom,1974, Gems and Minerals of America

ⓘ Arfvedsonite

Formula: [Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Square Butte, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Baryte

Formula: BaSO₄

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Kuehner, S. M., Irving, A. J., & O'Brien, H. E. (2003, June). A kalborsite-pitiglianoite-kalsilite-shcherbakovite-barytolamprophyllite-wadeite-bearing lamproitic dike from the northern Highwood Mountains, Montana, USA. In International Kimberlite Conference: Extended Abstracts (Vol. 8).

ⓘ Barytolamprophyllite

Formula: (Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂

Localities:

Highwood Mountains, Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ 'Britholite Group'

Formula: (REE,Ca)₅[(Si,P)O₄]₃X

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Calcite

Formula: CaCO₃

Localities:

Highwood Mountains, Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ 'Chabazite'

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ 'Clinopyroxene Subgroup'

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Diopside

Formula: CaMgSi₂O₆

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Diopside var. Salite

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ 'Fayalite-Forsterite Series'

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ 'Feldspathoid'

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.

ⓘ Fluorite

Formula: CaF₂

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Forsterite

Formula: Mg₂SiO₄

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Hematite

Formula: Fe₂O₃

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Ruggles, C.E., Morgan, S., Reber, J.E. (2021) A multiple-pulse emplacement model for the Shonkin Sag laccolith, Montana, USA. Journal of Structural Geology: 149: 104378.

ⓘ Kalborsite

Formula: K₆Al₄BSi₆O₂₀(OH)₄Cl

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Kalsilite

Formula: KAlSiO₄

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Leucite

Formula: K(AlSi₂O₆)

Localities:

Highwood Mountains, Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

Localities:

Highwood Mountains, Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Description: altered to natrolite and stilbite

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

Locality: Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

Localities:

Haystack Butte, Highwood Mountains, Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Carnegie Institution of Washington Year Book: 76: 534-539.

ⓘ Phlogopite var. Barium-bearing phlogopite

Formula: (K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂

Locality: Haystack Butte, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Carnegie Institution of Washington Year Book: 76: 534-539.

ⓘ Pitiglianoite

Formula: Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ 'Pseudoleucite'

Localities:

Highwood Mountains, Chouteau Co., Montana, USA
Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: American Mineralogist 23:837

ⓘ Pyrite

Formula: FeS₂

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Ruggles, C.E., Morgan, S., Reber, J.E. (2021) A multiple-pulse emplacement model for the Shonkin Sag laccolith, Montana, USA. Journal of Structural Geology: 149: 104378.

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Ruggles, C.E., Morgan, S., Reber, J.E. (2021) A multiple-pulse emplacement model for the Shonkin Sag laccolith, Montana, USA. Journal of Structural Geology: 149: 104378.

ⓘ Sanidine

Formula: K(AlSi₃O₈)

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Shcherbakovite

Formula: (K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Locality: Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA

Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.

ⓘ Titanite

Formula: CaTi(SiO₄)O

Localities:

Shonkin Sag laccolith, Highwood Mountains, Chouteau Co., Montana, USA
Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

ⓘ Wadeite

Formula: K₂Zr(Si₃O₉)

Locality: Lamproitic dike, Highwood Mountains, Chouteau Co., Montana, USA

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Andradite	9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	var. Melanite	9.AD.25	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
ⓘ	Annite	9.EC.20	KFe²⁺₃(AlSi₃O₁₀)(OH)₂
ⓘ	Arfvedsonite	9.DE.25	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Barytolamprophyllite	9.BE.25	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	var. Salite	9.DA.15	CaMgSi₂O₆
ⓘ	Forsterite	9.AC.05	Mg₂SiO₄
ⓘ	Kalborsite	9.GA.15	K₆Al₄BSi₆O₂₀(OH)₄Cl
ⓘ	Kalsilite	9.FA.05	KAlSiO₄
ⓘ	Leucite	9.GB.05	K(AlSi₂O₆)
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	var. Barium-bearing phlogopite	9.EC.20	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
ⓘ	Pitiglianoite	9.FB.05	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Shcherbakovite	9.DH.20	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Wadeite	9.CA.10	K₂Zr(Si₃O₉)
Unclassified Minerals, Rocks, etc.
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
ⓘ	'Britholite Group'	-	(REE,Ca)₅[(Si,P)O₄]₃X
ⓘ	'Chabazite'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Feldspathoid'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Pseudoleucite'	-
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
H	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
H	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
H	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
H	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
B	Boron
B	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Leucite	K(AlSi₂O₆)
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Calcite	CaCO₃
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Forsterite	Mg₂SiO₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
O	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
O	ⓘ Britholite Group	(REE,Ca)₅[(Si,P)O₄]₃X
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Baryte	BaSO₄
O	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
O	ⓘ Kalsilite	KAlSiO₄
O	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
O	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
O	ⓘ Wadeite	K₂Zr(Si₃O₉)
O	ⓘ Hematite	Fe₂O₃
F	Fluorine
F	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Na	Sodium
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Na	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Na	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
Na	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
Mg	Magnesium
Mg	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Forsterite	Mg₂SiO₄
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Diopside	CaMgSi₂O₆
Al	Aluminium
Al	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
Al	ⓘ Leucite	K(AlSi₂O₆)
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Sanidine	K(AlSi₃O₈)
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Al	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
Al	ⓘ Kalsilite	KAlSiO₄
Al	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
Si	Silicon
Si	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
Si	ⓘ Leucite	K(AlSi₂O₆)
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Forsterite	Mg₂SiO₄
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Si	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Britholite Group	(REE,Ca)₅[(Si,P)O₄]₃X
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
Si	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Si	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Si	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
Si	ⓘ Kalsilite	KAlSiO₄
Si	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
Si	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
Si	ⓘ Wadeite	K₂Zr(Si₃O₉)
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Britholite Group	(REE,Ca)₅[(Si,P)O₄]₃X
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
K	Potassium
K	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
K	ⓘ Leucite	K(AlSi₂O₆)
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Sanidine	K(AlSi₃O₈)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
K	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
K	ⓘ Kalborsite	K₆Al₄BSi₆O₂₀(OH)₄Cl
K	ⓘ Kalsilite	KAlSiO₄
K	ⓘ Pitiglianoite	Na₆K₂(Al₆Si₆O₂₄)(SO₄) · 2H₂O
K	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
K	ⓘ Wadeite	K₂Zr(Si₃O₉)
Ca	Calcium
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Britholite Group	(REE,Ca)₅[(Si,P)O₄]₃X
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Ca	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ti	Titanium
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Ti	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	Iron
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ or Simplified: K(Mg,Fe)₃AlSi₃O₁₀(OH)₂
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Fe	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Andradite var. Melanite	Ca₃(Fe³⁺,Ti)₂(SiO₄)₃
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Fe	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Zr	Zirconium
Zr	ⓘ Wadeite	K₂Zr(Si₃O₉)
Nb	Niobium
Nb	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂
Ba	Barium
Ba	ⓘ Phlogopite var. Barium-bearing phlogopite	(K,Ba)_1-xMg₃(AlSi₃O₁₀)(OH,F)₂
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Ba	ⓘ Shcherbakovite	(K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂

Fossils

There are 11 fossil localities from the PaleoBioDB database within this region.

BETA TEST - These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

56.0 Ma (Paleocene)

Oldest Fossil Listed

89.3 Ma (Late/Upper Cretaceous)

Stratigraphic Units

Click here to view 7 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Baculites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Baculitidae : *Baculites*	89.3 - 85.8 Ma Late/Upper Cretaceous
Scaphites genus	Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : *Scaphites*	89.3 - 85.8 Ma Late/Upper Cretaceous
Inoceramus genus	Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : *Inoceramus*	89.3 - 85.8 Ma Late/Upper Cretaceous
Paralbula genus	Animalia : Chordata : Actinopteri : Elopiformes : Phyllodontidae : *Paralbula*	83.5 - 70.6 Ma Late/Upper Cretaceous
Habrosaurus genus	Animalia : Chordata : Amphibia : Caudata : Sirenidae : *Habrosaurus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Baenidae family	Animalia : Chordata : Reptilia : Testudines : Baenidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Teiidae family	Animalia : Chordata : Reptilia : Squamata : Teiidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Paronychodon genus	Animalia : Chordata : Saurischia : Avetheropoda : *Paronychodon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Hadrosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Ceratopsidae family	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Monoclonius genus	Animalia : Chordata : Ornithischia : Ceratopsidae : *Monoclonius*	83.5 - 70.6 Ma Late/Upper Cretaceous
Mesodma genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Mesodma*	83.5 - 70.6 Ma Late/Upper Cretaceous
Cimolodon genus	Animalia : Chordata : Mammalia : Cimolodontidae : *Cimolodon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Cimolestes genus	Animalia : Chordata : Mammalia : Cimolestidae : *Cimolestes*	83.5 - 70.6 Ma Late/Upper Cretaceous
Paranyctoides genus	Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae : *Paranyctoides*	83.5 - 70.6 Ma Late/Upper Cretaceous
Batodon genus	Animalia : Chordata : Mammalia : Geolabididae : *Batodon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Alphadon attaragos species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Alphadon : *Alphadon attaragos*	83.5 - 70.6 Ma Late/Upper Cretaceous
Alphadon halleyi species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Alphadon : *Alphadon halleyi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Turgidodon russelli species	Animalia : Chordata : Mammalia : Didelphimorphia : Alphadontidae : Turgidodon : *Turgidodon russelli*	83.5 - 70.6 Ma Late/Upper Cretaceous
Cimexomys judithae species	Animalia : Chordata : Mammalia : Taeniolabidae : Paracimexomys : *Cimexomys judithae*	83.5 - 70.6 Ma Late/Upper Cretaceous
Paracimexomys magnus species	Animalia : Chordata : Mammalia : Multituberculata : Paracimexomys : *Paracimexomys magnus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Cimolomys clarki species	Animalia : Chordata : Mammalia : Cimolomyidae : Cimolomys : *Cimolomys clarki*	83.5 - 70.6 Ma Late/Upper Cretaceous
Meniscoessus major species	Animalia : Chordata : Mammalia : Multituberculata : Cimolomyidae : Meniscoessus : *Meniscoessus major*	83.5 - 70.6 Ma Late/Upper Cretaceous
Turgidodon praesagus species	Animalia : Chordata : Mammalia : Didelphimorphia : Alphadontidae : Turgidodon : *Turgidodon praesagus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ectocentrocristus foxi species	Animalia : Chordata : Mammalia : Marsupialia : Ectocentrocristus : *Ectocentrocristus foxi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Gypsonictops lewisi species	Animalia : Chordata : Mammalia : Pilosa : Gypsonictopidae : Gypsonictops : *Gypsonictops lewisi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Aletridelphys clemensi species	Animalia : Chordata : Mammalia : Pediomyidae : Aletridelphys : *Aletridelphys clemensi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Leptalestes prokrejcii species	Animalia : Chordata : Mammalia : Pediomyidae : Leptalestes : *Leptalestes prokrejcii*	83.5 - 70.6 Ma Late/Upper Cretaceous
Mesodma primaeva species	Animalia : Chordata : Mammalia : Multituberculata : Neoplagiaulacidae : Mesodma : *Mesodma primaeva*	83.5 - 70.6 Ma Late/Upper Cretaceous
Prosaurolophus maximus species	Animalia : Chordata : Ornithischia : Hadrosauridae : Prosaurolophus : *Prosaurolophus maximus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Lambeosaurinae subfamily	Animalia : Chordata : Ornithischia : Hadrosauridae : Lambeosaurinae	83.5 - 70.6 Ma Late/Upper Cretaceous
Celtis aspera species	Plantae : Tracheophyta : Magnoliopsida : Rosales : Cannabaceae : Celtis : *Celtis aspera*	66 - 56 Ma Paleocene
Monoclonius crassus species	Animalia : Chordata : Ornithischia : Ceratopsidae : Monoclonius : *Monoclonius crassus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Cercidiphyllum genus	Plantae : Tracheophyta : Magnoliopsida : Saxifragales : Cercidiphyllaceae : *Cercidiphyllum*	66 - 56 Ma Paleocene
Phyllites genus	Plantae : Tracheophyta : Magnoliopsida : *Phyllites*	66 - 56 Ma Paleocene
Troodon formosus species	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : Troodon : *Troodon formosus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Glyptostrobus genus	Plantae : Tracheophyta : Pinopsida : Pinales : Cupressaceae : *Glyptostrobus*	66 - 56 Ma Paleocene
Metasequoia occidentalis species	Plantae : Tracheophyta : Pinopsida : Pinales : Cupressaceae : Metasequoia : *Metasequoia occidentalis*	66 - 56 Ma Paleocene
Chaetoptelea microphylla species	Plantae : Spermatophyta : Magnoliopsida : Urticales : Ulmaceae : Chaetoptelea : *Chaetoptelea microphylla*	66 - 56 Ma Paleocene
Juglans genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Juglans*	66 - 56 Ma Paleocene
Styracosaurus albertensis species	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae : Styracosaurus : *Styracosaurus albertensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Richardoestesia isosceles species	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Richardoestesia : *Richardoestesia isosceles*	83.5 - 70.6 Ma Late/Upper Cretaceous
Sphaerium genus	Animalia : Mollusca : Bivalvia : Sphaeriida : Sphaeriidae : *Sphaerium*	83.5 - 70.6 Ma Late/Upper Cretaceous
Unio genus	Animalia : Mollusca : Bivalvia : Unionida : Unionidae : *Unio*	83.5 - 70.6 Ma Late/Upper Cretaceous
Albanerpetontidae family	Animalia : Chordata : Amphibia : Gymnophiona : Albanerpetontidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Odaxosaurus piger species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Odaxosaurus : *Odaxosaurus piger*	83.5 - 70.6 Ma Late/Upper Cretaceous
Paraderma bogerti species	Animalia : Chordata : Reptilia : Squamata : Helodermatidae : Paraderma : *Paraderma bogerti*	83.5 - 70.6 Ma Late/Upper Cretaceous
Scotiophryne genus	Animalia : Chordata : Osteichthyes : Anura : *Scotiophryne*	83.5 - 70.6 Ma Late/Upper Cretaceous
Parasaniwa wyomingensis species	Animalia : Chordata : Reptilia : Squamata : Varanidae : Parasaniwa : *Parasaniwa wyomingensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Exostinus lancensis species	Animalia : Chordata : Reptilia : Squamata : Xenosauridae : Exostinus : *Exostinus lancensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Edmontonia longiceps species	Animalia : Chordata : Ornithischia : Nodosauridae : Edmontonia : *Edmontonia longiceps*	83.5 - 70.6 Ma Late/Upper Cretaceous
Orodromeus makelai species	Animalia : Chordata : Ornithischia : Thescelosauridae : Orodromeus : *Orodromeus makelai*	83.5 - 70.6 Ma Late/Upper Cretaceous
Prodesmodon copei species	Animalia : Chordata : Osteichthyes : Proteida : Batrachosauroididae : Prodesmodon : *Prodesmodon copei*	83.5 - 70.6 Ma Late/Upper Cretaceous
Neurankylus eximius species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Neurankylus : *Neurankylus eximius*	83.5 - 70.6 Ma Late/Upper Cretaceous
Leptochamops denticulatus species	Animalia : Chordata : Reptilia : Squamata : Chamopsiidae : Leptochamops : *Leptochamops denticulatus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Viviparus genus	Animalia : Mollusca : Gastropoda : Architaenioglossa : Viviparidae : *Viviparus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Belonostomus longirostris species	Animalia : Chordata : Actinopteri : Aspidorhynchidae : Belonostomus : *Belonostomus longirostris*	83.5 - 70.6 Ma Late/Upper Cretaceous
Stegoceras validum species	Animalia : Chordata : Ornithischia : Pachycephalosauridae : Stegoceras : *Stegoceras validum*	83.5 - 70.6 Ma Late/Upper Cretaceous
Valvata genus	Animalia : Mollusca : Gastropoda : Valvatidae : *Valvata*	83.5 - 70.6 Ma Late/Upper Cretaceous
Goniobasis genus	Animalia : Mollusca : Gastropoda : Pleuroceridae : *Goniobasis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Volviceramus involutus species	Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Volviceramus : *Volviceramus involutus*	89.3 - 85.8 Ma Late/Upper Cretaceous
Scaphites mariasensis species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : *Scaphites mariasensis*	89.3 - 85.8 Ma Late/Upper Cretaceous
Scaphites preventricosus species	Animalia : Mollusca : Cephalopoda : Ammonoidea : Scaphitidae : Scaphites : *Scaphites preventricosus*	89.3 - 85.8 Ma Late/Upper Cretaceous
Paracryptodira unranked clade	Animalia : Chordata : Reptilia : Testudines : Paracryptodira	83.5 - 70.6 Ma Late/Upper Cretaceous
Volviceramus exogyroides species	Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Volviceramus : *Volviceramus exogyroides*	89.3 - 85.8 Ma Late/Upper Cretaceous
Lioplacodes genus	Animalia : Mollusca : Gastropoda : Architaenioglossa : Viviparidae : *Lioplacodes*	83.5 - 70.6 Ma Late/Upper Cretaceous
Hensonbatrachus kermiti species	Animalia : Chordata : Osteichthyes : Anura : Hensonbatrachus : *Hensonbatrachus kermiti*	83.5 - 70.6 Ma Late/Upper Cretaceous
Quercus sullyi species	Plantae : Tracheophyta : Magnoliopsida : Fagales : Fagaceae : Quercus : *Quercus sullyi*	66 - 56 Ma Paleocene
Cremnoceramus deformis erectus subspecies	Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cremnoceramus : *Cremnoceramus deformis erectus*	89.3 - 85.8 Ma Late/Upper Cretaceous
Cremnoceramus deformis species	Animalia : Mollusca : Bivalvia : Myalinida : Inoceramidae : Cremnoceramus : *Cremnoceramus deformis*	89.3 - 85.8 Ma Late/Upper Cretaceous

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Wikipedia:	https://en.wikipedia.org/wiki/Chouteau_County,_Montana
Wikidata ID:	Q193230
GeoNames ID:	5644870

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Chouteau Co., Montana, USAiRegional Level TypesChouteau Co.County MontanaState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Chouteau Co., Montana, USA i
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