Chakhmouradian, A. R., Mitchell, R. H. (1999) Primary, agpaitic and deuteric stages in the evolution of accessory Sr, REE, Ba and Nb-mineralization in nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts, Montana. Mineralogy and Petrology, 67 (1) 85-110 doi:10.1007/bf01165118

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Localities:

ⓘ Aragonite

Formula: CaCO₃

Locality: Havre, Hill County, Montana, USA

References:

Am Min 39:208-214

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

www.koeln.netsurf.de/~w.steffens

ⓘ 'Axinite Group'

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ Baryte

Formula: BaSO₄

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA

ⓘ Barytolamprophyllite

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

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

ⓘ Bastnäsite-(Ce)

Formula: Ce(CO₃)F

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Biotite'

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

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA
Unnamed Uranium - Zinc - Niobium (Columbium) - Copper - Lead - Zirconium - Titanium - Metal Occurrence (Vermiculite Prospect; MRDS - 10019371), Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Burbankite (TL)

Formula: (Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅

Localities:

Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA

Type Locality: Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

Habit: To 3 cm

ⓘ Calcite

Formula: CaCO₃

Localities:

Havre, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA
Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Calcite var. Manganese-bearing Calcite

Formula: (Ca,Mn)CO₃

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

Oyelayo, James A.; Zhou, Xiaobing; Roy, Sukanta (2026) Two-stage rare earth element mineralization in the Bowery Peak carbonatite dyke, Bearpaw Mountains, Montana, USA: An integrated mineralogical, geochemical, and geophysical study. Geoscience Frontiers, 17 (3). 102267 doi:10.1016/j.gsf.2026.102267

ⓘ Calkinsite-(Ce) (TL)

Formula: (Ce,La)₂(CO₃)₃ · 4H₂O

Localities:

Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA

Type Locality: Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

Habit: Less than 1mm

ⓘ Cancrinite

Formula: (Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O

Locality: Bearpaw Mountains, Hill County, Montana, USA

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

Bearpaw Mountains Zn-Pb occurrence, Bearpaw Mountains, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Chevkinite-(Ce)

Formula: Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Chlorite Group'

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

American Mineralogist 27:229

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ 'Clinopyroxene Subgroup'

Locality: Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.

ⓘ Crichtonite

Formula: Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Datolite

Formula: CaB(SiO₄)(OH)

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

American Mineralogist 27:229

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ Dolomite

Formula: CaMg(CO₃)₂

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

American Mineralogist 27:229

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ Eudialyte

Formula: Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

www.koeln.netsurf.de/~w.steffens

ⓘ 'Fayalite-Forsterite Series'

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

www.koeln.netsurf.de/~w.steffens

ⓘ 'Feldspar Group'

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

ⓘ Fluorite

Formula: CaF₂

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Galena

Formula: PbS

Localities:

Bearpaw Mountains Zn-Pb occurrence, Bearpaw Mountains, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Gibbsite

Formula: Al(OH)₃

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Goethite

Formula: Fe³⁺O(OH)

Locality: Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

Pecora, W. T., Kerr, Joe H. (1953) Burbankite and calkinsite, two new carbonate minerals from Montana. American Mineralogist, 38 (11-12) 1169-1183

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Locality: Havre, Hill County, Montana, USA

References:

Am Min 39:208-214

ⓘ Hastingsite

Formula: NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

American Mineralogist 27:229

ⓘ Hematite

Formula: Fe₂O₃

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Henrymeyerite

Formula: Ba(Ti⁴⁺₇Fe²⁺)O₁₆

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

Description: Chemical analysis (p. 96) indicates the formula: near end-member BaFeTi7O16.

References:

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Localities:

Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'K Feldspar'

Localities:

Rocky Boy Stock Occurrence, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA

ⓘ Lamprophyllite

Formula: (Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Lanthanite'

Localities:

Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA

ⓘ Leucite

Formula: K(AlSi₂O₆)

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

www.koeln.netsurf.de/~w.steffens

ⓘ Loparite

Formula: (Na,REE)₂Ti₂O₆

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Localities:

Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA
Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Magnetite var. Titanium-bearing Magnetite

Formula: Fe²⁺(Fe³⁺,Ti)₂O₄

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

ⓘ Microcline

Formula: K(AlSi₃O₈)

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Natrolite

Formula: Na₂Al₂Si₃O₁₀ · 2H₂O

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

Locality: Bearpaw Mountains, Hill County, Montana, USA

ⓘ Parisite-(Ce)

Formula: CaCe₂(CO₃)₃F₂

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Perovskite

Formula: CaTiO₃

Localities:

ⓘ Phlogopite

Formula: KMg₃(AlSi₃O₁₀)(OH)₂

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Rocky Boy Stock Occurrence, Hill County, Montana, USA

ⓘ Prehnite

Formula: Ca₂Al₂Si₃O₁₀(OH)₂

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

American Mineralogist 27:229

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ Priderite

Formula: K(Ti⁴⁺₇Fe³⁺)O₁₆

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

ⓘ Pyrite

Formula: FeS₂

Localities:

Unnamed Uranium - Zinc - Niobium (Columbium) - Copper - Lead - Zirconium - Titanium - Metal Occurrence (Vermiculite Prospect; MRDS - 10019371), Hill County, Montana, USA
Bearpaw Mountains Zn-Pb occurrence, Bearpaw Mountains, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

Locality: Unnamed Uranium - Zinc - Niobium (Columbium) - Copper - Lead - Zirconium - Titanium - Metal Occurrence (Vermiculite Prospect; MRDS - 10019371), Hill County, Montana, USA

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ 'Pyrochlore Supergroup'

Formula: A_2-mD₂X_6-wZ_1-n

Localities:

Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA
Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'

Formula: (Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Pyrophanite

Formula: Mn²⁺TiO₃

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

www.koeln.netsurf.de/~w.steffens

ⓘ Pyrrhotite

Formula: Fe_1-xS

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Unnamed Uranium - Zinc - Niobium (Columbium) - Copper - Lead - Zirconium - Titanium - Metal Occurrence (Vermiculite Prospect; MRDS - 10019371), Hill County, Montana, USA
Bearpaw Mountains Zn-Pb occurrence, Bearpaw Mountains, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Quartz

Formula: SiO₂

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA

ⓘ Rutile

Formula: TiO₂

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Sanidine

Formula: K(AlSi₃O₈)

Localities:

Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA
Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA
~~Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA~~ (more information)

ⓘ Sodalite

Formula: Na₄(Si₃Al₃)O₁₂Cl

Locality: Bearpaw Mountains, Hill County, Montana, USA

References:

www.koeln.netsurf.de/~w.steffens

ⓘ Strontianite

Formula: SrCO₃

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Strontiochevkinite

Formula: (Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈

Locality: Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

References:

Mitchell, R. H., Burns, P. C., Chakhmouradian, A. R. (2000) The crystal structures of loparite-(Ce) The Canadian Mineralogist, 38 (1) 145-152 doi:10.2113/gscanmin.38.1.145

ⓘ Synchysite-(Ce)

Formula: CaCe(CO₃)₂F

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

Locality: Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

Pecora, W. T., Kerr, Joe H. (1953) Burbankite and calkinsite, two new carbonate minerals from Montana. American Mineralogist, 38 (11-12) 1169-1183

ⓘ Thomsonite-Ca

Formula: NaCa₂[Al₅Si₅O₂₀] · 6H₂O

Locality: Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

References:

American Mineralogist 27:229

Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.

ⓘ Thorite

Formula: Th(SiO₄)

Localities:

Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA
Bowery Peak carbonatite complex, Hill County, Montana, USA

ⓘ Titanite

Formula: CaTi(SiO₄)O

Localities:

Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA
Beaver Creek, Bearpaw Mountains, Hill County, Montana, USA

ⓘ Whewellite

Formula: Ca(C₂O₄) · H₂O

Locality: Havre, Hill County, Montana, USA

References:

Am Min 39:208-214

ⓘ Xenotime-(Y)

Formula: Y(PO₄)

Locality: Bowery Peak carbonatite complex, Hill County, Montana, USA

References:

ⓘ Zircon

Formula: Zr(SiO₄)

Localities:

Unnamed Uranium - Zinc - Niobium (Columbium) - Copper - Lead - Zirconium - Titanium - Metal Occurrence (Vermiculite Prospect; MRDS - 10019371), Hill County, Montana, USA
Pegmatite Peak, Bearpaw Mountains, Hill County, Montana, USA

Gallery:

(Ce,La)₂(CO₃)₃ · 4H₂Oⓘ Calkinsite-(Ce) (TL)

Calkinsite-(Ce), etc.

Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

Calkinsite-(Ce), etc.

Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

Calkinsite-(Ce), etc.

Vermiculite prospect No. 6, Big Sandy Creek, Bearpaw Mountains, Hill County, Montana, USA

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	Fe³⁺O(OH)
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	var. Titanium-bearing Magnetite	4.BB.05	Fe²⁺(Fe³⁺,Ti)₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Pyrophanite	4.CB.05	Mn²⁺TiO₃
ⓘ	Perovskite	4.CC.30	CaTiO₃
ⓘ	Loparite	4.CC.35	(Na,REE)₂Ti₂O₆
ⓘ	Crichtonite	4.CC.40	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Priderite	4.DK.05b	K(Ti⁴⁺₇Fe³⁺)O₁₆
ⓘ	Henrymeyerite	4.DK.05b	Ba(Ti⁴⁺₇Fe²⁺)O₁₆
ⓘ	Gibbsite	4.FE.10	Al(OH)₃
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	var. Manganese-bearing Calcite	5.AB.05	(Ca,Mn)CO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Strontianite	5.AB.15	SrCO₃
ⓘ	Burbankite (TL)	5.AC.30	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
ⓘ	Bastnäsite-(Ce)	5.BD.20a	Ce(CO₃)F
ⓘ	Parisite-(Ce)	5.BD.20b	CaCe₂(CO₃)₃F₂
ⓘ	Synchysite-(Ce)	5.BD.20c	CaCe(CO₃)₂F
ⓘ	Calkinsite-(Ce) (TL)	5.CC.25	(Ce,La)₂(CO₃)₃ · 4H₂O
ⓘ	Ancylite-(Ce)	5.DC.05	CeSr(CO₃)₂(OH) · H₂O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Xenotime-(Y)	8.AD.35	Y(PO₄)
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Titanite	9.AG.15	CaTi(SiO₄)O
ⓘ	Datolite	9.AJ.20	CaB(SiO₄)(OH)
ⓘ	Barytolamprophyllite	9.BE.25	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
ⓘ	Lamprophyllite	9.BE.25	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
ⓘ	Strontiochevkinite	9.BE.70	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
ⓘ	Chevkinite-(Ce)	9.BE.70	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Eudialyte	9.CO.10	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Actinolite	9.DE.10	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
ⓘ	Hastingsite	9.DE.15	NaCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Annite	9.EC.20	KFe²⁺₃(AlSi₃O₁₀)(OH)₂
ⓘ	Phlogopite	9.EC.20	KMg₃(AlSi₃O₁₀)(OH)₂
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
ⓘ	Microcline	9.FA.30	K(AlSi₃O₈)
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	Cancrinite	9.FB.05	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
ⓘ	Sodalite	9.FB.10	Na₄(Si₃Al₃)O₁₂Cl
ⓘ	Natrolite	9.GA.05	Na₂Al₂Si₃O₁₀ · 2H₂O
ⓘ	Thomsonite-Ca	9.GA.10	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Leucite	9.GB.05	K(AlSi₂O₆)
Group 10 - Organic Compounds
ⓘ	Whewellite	10.AB.45	Ca(C₂O₄) · H₂O
Unclassified
ⓘ	'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'	-	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Feldspar Group'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Hornblende Root Name Group'	-	◻Ca₂(Z²⁺₄Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
ⓘ	'Ancylite'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Lanthanite'	-
ⓘ	'Pyrochlore Supergroup'	-	A_2-mD₂X_6-wZ_1-n
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Axinite Group'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Ancylite-(Ce)	CeSr(CO₃)₂(OH) · H₂O
H	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
H	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
H	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Calkinsite-(Ce)	(Ce,La)₂(CO₃)₃ · 4H₂O
H	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
H	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
H	ⓘ Datolite	CaB(SiO₄)(OH)
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
H	ⓘ Gibbsite	Al(OH)₃
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
H	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
H	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
H	ⓘ Whewellite	Ca(C₂O₄) · H₂O
H	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
B	Boron
B	ⓘ Datolite	CaB(SiO₄)(OH)
C	Carbon
C	ⓘ Ancylite-(Ce)	CeSr(CO₃)₂(OH) · H₂O
C	ⓘ Aragonite	CaCO₃
C	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
C	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
C	ⓘ Calcite	CaCO₃
C	ⓘ Calkinsite-(Ce)	(Ce,La)₂(CO₃)₃ · 4H₂O
C	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
C	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
C	ⓘ Strontianite	SrCO₃
C	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
C	ⓘ Whewellite	Ca(C₂O₄) · H₂O
O	Oxygen
O	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Anatase	TiO₂
O	ⓘ Ancylite-(Ce)	CeSr(CO₃)₂(OH) · H₂O
O	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
O	ⓘ Aragonite	CaCO₃
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
O	ⓘ Baryte	BaSO₄
O	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
O	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
O	ⓘ Calcite	CaCO₃
O	ⓘ Calkinsite-(Ce)	(Ce,La)₂(CO₃)₃ · 4H₂O
O	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
O	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Datolite	CaB(SiO₄)(OH)
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Gibbsite	Al(OH)₃
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
O	ⓘ Loparite	(Na,REE)₂Ti₂O₆
O	ⓘ Leucite	K(AlSi₂O₆)
O	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Microcline	K(AlSi₃O₈)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
O	ⓘ Perovskite	CaTiO₃
O	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Priderite	K(Ti₇⁴⁺Fe³⁺)O₁₆
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Pyrophanite	Mn²⁺TiO₃
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
O	ⓘ Strontianite	SrCO₃
O	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
O	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
O	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Titanite	CaTi(SiO₄)O
O	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
O	ⓘ Whewellite	Ca(C₂O₄) · H₂O
O	ⓘ Xenotime-(Y)	Y(PO₄)
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
O	ⓘ Henrymeyerite	Ba(Ti₇⁴⁺Fe²⁺)O₁₆
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
O	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Pyroxene Group	ADSi₂O₆
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
F	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
F	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
F	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
F	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Na	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Na	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Na	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Na	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Na	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Na	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Na	ⓘ Loparite	(Na,REE)₂Ti₂O₆
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Na	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Na	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Na	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Mg	ⓘ Fayalite-Forsterite Series
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Gibbsite	Al(OH)₃
Al	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Leucite	K(AlSi₂O₆)
Al	ⓘ Microcline	K(AlSi₃O₈)
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Al	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Sanidine	K(AlSi₃O₈)
Al	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Al	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Al	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Si	ⓘ Datolite	CaB(SiO₄)(OH)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Si	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Si	ⓘ Leucite	K(AlSi₂O₆)
Si	ⓘ Microcline	K(AlSi₃O₈)
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Natrolite	Na₂Al₂Si₃O₁₀ · 2H₂O
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Si	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Si	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Titanite	CaTi(SiO₄)O
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Pyroxene Group	ADSi₂O₆
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Xenotime-(Y)	Y(PO₄)
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Cl	Chlorine
Cl	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Cl	ⓘ Sodalite	Na₄(Si₃Al₃)O₁₂Cl
Cl	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Leucite	K(AlSi₂O₆)
K	ⓘ Microcline	K(AlSi₃O₈)
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Phlogopite	KMg₃(AlSi₃O₁₀)(OH)₂
K	ⓘ Priderite	K(Ti₇⁴⁺Fe³⁺)O₁₆
K	ⓘ Sanidine	K(AlSi₃O₈)
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ca	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Cancrinite	(Na,Ca,◻)₈(Al₆Si₆O₂₄)(CO₃,SO₄)₂ · 2H₂O
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Datolite	CaB(SiO₄)(OH)
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
Ca	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
Ca	ⓘ Perovskite	CaTiO₃
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Ca	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Ca	ⓘ Thomsonite-Ca	NaCa₂[Al₅Si₅O₂₀] · 6H₂O
Ca	ⓘ Titanite	CaTi(SiO₄)O
Ca	ⓘ Whewellite	Ca(C₂O₄) · H₂O
Ca	ⓘ Hornblende Root Name Group	◻Ca₂(Z₄²⁺Z³⁺)(AlSi₇O₂₂)(OH,F,Cl)₂
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Ti	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Ti	ⓘ Loparite	(Na,REE)₂Ti₂O₆
Ti	ⓘ Perovskite	CaTiO₃
Ti	ⓘ Priderite	K(Ti₇⁴⁺Fe³⁺)O₁₆
Ti	ⓘ Pyrophanite	Mn²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Ti	ⓘ Titanite	CaTi(SiO₄)O
Ti	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Ti	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Ti	ⓘ Henrymeyerite	Ba(Ti₇⁴⁺Fe²⁺)O₁₆
V	Vanadium
V	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Cr	Chromium
Cr	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Mn	Manganese
Mn	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Mn	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Mn	ⓘ Calcite var. Manganese-bearing Calcite	(Ca,Mn)CO₃
Mn	ⓘ Pyrophanite	Mn²⁺TiO₃
Mn	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	Iron
Fe	ⓘ Actinolite	◻Ca₂(Mg_4.5-2.5Fe_0.5-2.5)Si₈O₂₂(OH)₂
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Annite	KFe₃²⁺(AlSi₃O₁₀)(OH)₂
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Hastingsite	NaCa₂(Fe₄²⁺Fe³⁺)(Si₆Al₂)O₂₂(OH)₂
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Priderite	K(Ti₇⁴⁺Fe³⁺)O₁₆
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Fe	ⓘ Magnetite var. Titanium-bearing Magnetite	Fe²⁺(Fe³⁺,Ti)₂O₄
Fe	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Fe	ⓘ Henrymeyerite	Ba(Ti₇⁴⁺Fe²⁺)O₁₆
Fe	ⓘ Fayalite-Forsterite Series
Fe	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Sr	Strontium
Sr	ⓘ Ancylite-(Ce)	CeSr(CO₃)₂(OH) · H₂O
Sr	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Sr	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Sr	ⓘ Lamprophyllite	(Na,Mn²⁺)₃(Sr,Na)₂(Ti,Fe³⁺)₃(Si₂O₇)₂O₂(OH,O,F)₂
Sr	ⓘ Strontianite	SrCO₃
Sr	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Y	Yttrium
Y	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Zr	Zirconium
Zr	ⓘ Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂
Zr	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
Nb	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Ba	Barium
Ba	ⓘ Barytolamprophyllite	(Ba,Na)₂(Na,Ti,Fe³⁺)₄Ti₂(Si₂O₇)₂O(OH,F)
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Ba	ⓘ Henrymeyerite	Ba(Ti₇⁴⁺Fe²⁺)O₁₆
La	Lanthanum
La	ⓘ Calkinsite-(Ce)	(Ce,La)₂(CO₃)₃ · 4H₂O
La	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Ce	Cerium
Ce	ⓘ Ancylite-(Ce)	CeSr(CO₃)₂(OH) · H₂O
Ce	ⓘ Bastnäsite-(Ce)	Ce(CO₃)F
Ce	ⓘ Burbankite	(Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅
Ce	ⓘ Calkinsite-(Ce)	(Ce,La)₂(CO₃)₃ · 4H₂O
Ce	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
Ce	ⓘ Strontiochevkinite	(Sr,La,Ce,Ca)₄Fe²⁺(Ti,Zr)₂Ti₂(Si₂O₇)₂O₈
Ce	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Ce	ⓘ Chevkinite-(Ce)	Ce₄(Ti,Fe²⁺,Fe³⁺)₅O₈(Si₂O₇)₂
Ta	Tantalum
Ta	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
Pb	Lead
Pb	ⓘ Galena	PbS
Th	Thorium
Th	ⓘ Thorite	Th(SiO₄)
U	Uranium
U	ⓘ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)	(Ca,Na,U)₂(Ti, Nb,Ta)₂O₆Z(OH)
U	ⓘ Crichtonite	Sr(Mn,Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH)₃₈

Fossils

There are 117 fossil localities from the PaleoBioDB database within this region.

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

117

Youngest Fossil Listed

0.30 Ma (Pleistocene)

Oldest Fossil Listed

83.6 Ma (Late/Upper Cretaceous)

Stratigraphic Units

Unit	No. Occurrences	Age
Montana - Judith River	82	83.5 - 70.6 Ma (Late/Upper Cretaceous)
Montana - Judith River - McClelland Ferry	27	83.5 - 70.6 Ma (Late/Upper Cretaceous)
Judith River	3	83.5 - 70.6 Ma (Late/Upper Cretaceous)
Judith River - Coal Ridge	1	83.5 - 70.6 Ma (Late/Upper Cretaceous)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Reptilia class	Animalia : Chordata : Reptilia	83.5 - 70.6 Ma Late/Upper Cretaceous
Crocodylia unranked clade	Animalia : Chordata : Reptilia : Crocodylia	83.5 - 70.6 Ma Late/Upper Cretaceous
Aves class	Animalia : Chordata : Aves	83.5 - 70.6 Ma Late/Upper Cretaceous
Hesperornis genus	Animalia : Chordata : Aves : Hesperornithiformes : Hesperornithidae : *Hesperornis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Baenidae family	Animalia : Chordata : Reptilia : Testudines : Baenidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Adocus genus	Animalia : Chordata : Reptilia : Testudines : Adocidae : *Adocus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Theropoda unranked clade	Animalia : Chordata : Saurischia : Theropoda	83.5 - 70.6 Ma Late/Upper Cretaceous
Ornithomimus genus	Animalia : Chordata : Saurischia : Avetheropoda : Ornithomimidae : *Ornithomimus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Dromaeosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Saurornitholestes genus	Animalia : Chordata : Saurischia : Avetheropoda : Dromaeosauridae : *Saurornitholestes*	83.5 - 70.6 Ma Late/Upper Cretaceous
Troodon genus	Animalia : Chordata : Saurischia : Avetheropoda : Troodontidae : *Troodon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Albertosaurus genus	Animalia : Chordata : Reptilia : Dinosauria : Tyrannosauridae : *Albertosaurus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Hadrosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Stegoceras genus	Animalia : Chordata : Ornithischia : Pachycephalosauridae : *Stegoceras*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ankylosauridae family	Animalia : Chordata : Reptilia : Dinosauria : Ankylosauridae	83.5 - 70.6 Ma Late/Upper Cretaceous
Euoplocephalus genus	Animalia : Chordata : Ornithischia : Ankylosauridae : *Euoplocephalus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Ceratopsidae family	Animalia : Chordata : Reptilia : Dinosauria : Ceratopsidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Multituberculata order	Animalia : Chordata : Mammalia : Multituberculata	83.5 - 70.6 Ma Late/Upper Cretaceous
Mesodma genus	Animalia : Chordata : Mammalia : Ptilodontidae : *Mesodma*	83.5 - 70.6 Ma Late/Upper Cretaceous
Theria subclass	Animalia : Chordata : Mammalia : Theria	83.5 - 70.6 Ma Late/Upper Cretaceous
Didelphidae family	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Alphadon genus	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : *Alphadon*	83.5 - 70.6 Ma Late/Upper Cretaceous
Equus genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Equus*	1.8 - 0.3 Ma Pleistocene
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
Camelops minidokae species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Camelops : *Camelops minidokae*	1.8 - 0.3 Ma Pleistocene
Cimexomys judithae species	Animalia : Chordata : Mammalia : Taeniolabidae : Paracimexomys : *Cimexomys judithae*	83.5 - 70.6 Ma Late/Upper Cretaceous
Paracimexomys priscus species	Animalia : Chordata : Mammalia : Multituberculata : Paracimexomys : *Paracimexomys priscus*	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
Mammuthus columbi species	Animalia : Chordata : Mammalia : Proboscidea : Elephantidae : Mammuthus : *Mammuthus columbi*	1.8 - 0.3 Ma Pleistocene
Equus conversidens species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equus : *Equus conversidens*	1.8 - 0.3 Ma Pleistocene
Falepetrus barwini species	Animalia : Chordata : Mammalia : Holoclemensiidae : Falepetrus : *Falepetrus barwini*	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
Paranyctoides maleficus species	Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae : Paranyctoides : *Paranyctoides maleficus*	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
Myledaphus bipartitus species	Animalia : Chordata : Chondrichthyes : Myliobatiformes : Dasyatidae : Myledaphus : *Myledaphus bipartitus*	83.6 - 72.1 Ma Late/Upper Cretaceous
Edmontonia genus	Animalia : Chordata : Ornithischia : Nodosauridae : *Edmontonia*	83.5 - 70.6 Ma Late/Upper Cretaceous
Brachylophosaurus canadensis species	Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : Brachylophosaurus : *Brachylophosaurus canadensis*	83.5 - 70.6 Ma Late/Upper Cretaceous
Boremys pulchra species	Animalia : Chordata : Reptilia : Testudines : Baenidae : Boremys : *Boremys pulchra*	83.5 - 70.6 Ma Late/Upper Cretaceous
Aspideretoides genus	Animalia : Chordata : Reptilia : Testudines : Trionychidae : *Aspideretoides*	83.5 - 70.6 Ma Late/Upper Cretaceous
Alphadontidae family	Animalia : Chordata : Mammalia : Didelphimorphia : Alphadontidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Lepisosteus occidentalis species	Animalia : Chordata : Actinopteri : Lepisosteiformes : Lepisosteidae : Lepisosteus : *Lepisosteus occidentalis*	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
Albertaceratops nesmoi species	Animalia : Chordata : Ornithischia : Ceratopsidae : Albertaceratops : *Albertaceratops nesmoi*	83.5 - 70.6 Ma Late/Upper Cretaceous
Hybodus montanensis species	Animalia : Chordata : Chondrichthyes : Hybodontiformes : Hybodontidae : Hybodus : *Hybodus montanensis*	83.6 - 72.1 Ma Late/Upper Cretaceous
Medusaceratops lokii species	Animalia : Chordata : Ornithischia : Ceratopsidae : Medusaceratops : *Medusaceratops lokii*	83.5 - 70.6 Ma Late/Upper Cretaceous
Eutheria infraclass	Animalia : Chordata : Mammalia : Eutheria	83.5 - 70.6 Ma Late/Upper Cretaceous
Tribotheria infraclass	Animalia : Chordata : Mammalia : Tribotheria	83.5 - 70.6 Ma Late/Upper Cretaceous
Pediomyidae unranked clade	Animalia : Chordata : Mammalia : Pediomyidae	83.5 - 70.6 Ma Late/Upper Cretaceous
Axestemys splendidus species	Animalia : Chordata : Reptilia : Testudines : Trionychidae : Axestemys : *Axestemys splendidus*	83.5 - 70.6 Ma Late/Upper Cretaceous
Judiceratops tigris species	Animalia : Chordata : Ornithischia : Ceratopsidae : Judiceratops : *Judiceratops tigris*	83.5 - 70.6 Ma Late/Upper Cretaceous
Zuul crurivastator species	Animalia : Chordata : Ornithischia : Ankylosauridae : Zuul : *Zuul crurivastator*	83.5 - 70.6 Ma Late/Upper Cretaceous
Probrachylophosaurus bergei species	Probrachylophosaurus : *Probrachylophosaurus bergei*	83.6 - 72.1 Ma Late/Upper Cretaceous

Fossil Localities

Click to show 20 fossil localities

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Hill_County,_Montana
Wikidata ID:	Q496589
GeoNames ID:	5657400

Localities in this Region

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Little Belt ArcVolcanic Arc
Medicine Hat DomainDomain
Medicine Hat TerraneCraton

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List of minerals arranged by Strunz 10th Edition classification

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Hill County, Montana, USA i
Regional Level Types
Hill County County
Montana State
USA Country