Group 1 - Elements
ⓘ	Native Copper	1.AA.05	Cu
ⓘ	Native Gold	1.AA.05	Au
ⓘ	Native Silver	1.AA.05	Ag
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Digenite	2.BA.10	Cu₉S₅
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Altaite ?	2.CD.10	PbTe
ⓘ	Galena	2.CD.10	PbS
ⓘ	Tellurobismuthite	2.DC.05	Bi₂Te₃
ⓘ	Sylvanite	2.EA.05	AgAuTe₄
ⓘ	Molybdenite	2.EA.30	MoS₂
ⓘ	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
ⓘ	Cuprite	4.AA.10	Cu₂O
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Uraninite var. Pitchblende	4.DL.05	UO₂
ⓘ		4.DL.05	UO₂
ⓘ	Carnotite	4.HB.05	K₂(UO₂)₂(VO₄)₂ · 3H₂O
ⓘ	Tyuyamunite	4.HB.25	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Szomolnokite	7.CB.05	FeSO₄ · H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Tangeite	8.BH.35	CaCu(VO₄)(OH)
ⓘ	Autunite	8.EB.05	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
ⓘ	Metazeunerite	8.EB.10	Cu(UO₂)₂(AsO₄)₂ · 8H₂O
ⓘ	Volborthite	8.FD.05	Cu₃(V₂O₇)(OH)₂ · 2H₂O
Group 9 - Silicates
ⓘ	Coffinite	9.AD.30	U(SiO₄) · nH₂O
ⓘ	Parauranophane	9.AK.15	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
ⓘ	Uranophane	9.AK.15	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Prehnite	9.DP.20	Ca₂Al₂Si₃O₁₀(OH)₂
ⓘ	Antigorite	9.ED.15	Mg₃(Si₂O₅)(OH)₄
ⓘ	Haüyne	9.FB.10	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
ⓘ	Analcime	9.GB.05	Na(AlSi₂O₆) · H₂O
ⓘ	Wairakite	9.GB.05	Ca(Al₂Si₄O₁₂) · 2H₂O
ⓘ	Laumontite	9.GB.10	CaAl₂Si₄O₁₂ · 4H₂O
ⓘ	Harmotome	9.GC.10	Ba₂(Si₁₂Al₄)O₃₂ · 12H₂O
ⓘ	Mordenite	9.GD.35	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Unclassified
ⓘ	'Clay minerals'	-
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
ⓘ	'Pumpellyite Subgroup'	-	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Tourmaline'	-	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Vandiestite'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Scapolite'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
H	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
H	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
H	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
H	ⓘ Coffinite	U(SiO₄) · nH₂O
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Harmotome	Ba₂(Si₁₂Al₄)O₃₂ · 12H₂O
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Metazeunerite	Cu(UO₂)₂(AsO₄)₂ · 8H₂O
H	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
H	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
H	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Szomolnokite	FeSO₄ · H₂O
H	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
H	ⓘ Tangeite	CaCu(VO₄)(OH)
H	ⓘ Parauranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
H	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
H	ⓘ Volborthite	Cu₃(V₂O₇)(OH)₂ · 2H₂O
H	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
B	Boron
B	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Siderite	FeCO₃
O	Oxygen
O	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
O	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
O	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
O	ⓘ Coffinite	U(SiO₄) · nH₂O
O	ⓘ Cuprite	Cu₂O
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Harmotome	Ba₂(Si₁₂Al₄)O₃₂ · 12H₂O
O	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Metazeunerite	Cu(UO₂)₂(AsO₄)₂ · 8H₂O
O	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
O	ⓘ Uraninite var. Pitchblende	UO₂
O	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
O	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
O	ⓘ Quartz	SiO₂
O	ⓘ Siderite	FeCO₃
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Szomolnokite	FeSO₄ · H₂O
O	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
O	ⓘ Tangeite	CaCu(VO₄)(OH)
O	ⓘ Uraninite	UO₂
O	ⓘ Parauranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
O	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
O	ⓘ Volborthite	Cu₃(V₂O₇)(OH)₂ · 2H₂O
O	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
O	ⓘ Fayalite-Forsterite Series
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
F	Fluorine
F	ⓘ Fluorite	CaF₂
Na	Sodium
Na	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Na	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Na	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
Mg	ⓘ Fayalite-Forsterite Series
Al	Aluminium
Al	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Harmotome	Ba₂(Si₁₂Al₄)O₃₂ · 12H₂O
Al	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Al	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Al	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Al	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Analcime	Na(AlSi₂O₆) · H₂O
Si	ⓘ Antigorite	Mg₃(Si₂O₅)(OH)₄
Si	ⓘ Coffinite	U(SiO₄) · nH₂O
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Harmotome	Ba₂(Si₁₂Al₄)O₃₂ · 12H₂O
Si	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Si	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Si	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Si	ⓘ Quartz	SiO₂
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Parauranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Si	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Si	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Si	ⓘ Fayalite-Forsterite Series
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
P	Phosphorus
P	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Covellite	CuS
S	ⓘ Digenite	Cu₉S₅
S	ⓘ Galena	PbS
S	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
S	ⓘ Molybdenite	MoS₂
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Szomolnokite	FeSO₄ · H₂O
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
K	Potassium
K	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	Calcium
Ca	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Haüyne	Na₃Ca(Si₃Al₃)O₁₂(SO₄)
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Ca	ⓘ Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
Ca	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	ⓘ Prehnite	Ca₂Al₂Si₃O₁₀(OH)₂
Ca	ⓘ Pumpellyite Subgroup	Ca₂XAl₂[Si₂O₆(OH)][SiO₄](OH)₂A
Ca	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
Ca	ⓘ Tangeite	CaCu(VO₄)(OH)
Ca	ⓘ Parauranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Ca	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
Ca	ⓘ Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
V	Vanadium
V	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
V	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
V	ⓘ Tangeite	CaCu(VO₄)(OH)
V	ⓘ Volborthite	Cu₃(V₂O₇)(OH)₂ · 2H₂O
Fe	Iron
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Szomolnokite	FeSO₄ · H₂O
Fe	ⓘ Fayalite-Forsterite Series
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Covellite	CuS
Cu	ⓘ Cuprite	Cu₂O
Cu	ⓘ Native Copper	Cu
Cu	ⓘ Digenite	Cu₉S₅
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Cu	ⓘ Metazeunerite	Cu(UO₂)₂(AsO₄)₂ · 8H₂O
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Cu	ⓘ Tangeite	CaCu(VO₄)(OH)
Cu	ⓘ Volborthite	Cu₃(V₂O₇)(OH)₂ · 2H₂O
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Metazeunerite	Cu(UO₂)₂(AsO₄)₂ · 8H₂O
Mo	Molybdenum
Mo	ⓘ Molybdenite	MoS₂
Ag	Silver
Ag	ⓘ Hessite	Ag₂Te
Ag	ⓘ Native Silver	Ag
Ag	ⓘ Sylvanite	AgAuTe₄
Sb	Antimony
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Te	Tellurium
Te	ⓘ Altaite	PbTe
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Sylvanite	AgAuTe₄
Te	ⓘ Tellurobismuthite	Bi₂Te₃
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ba	ⓘ Harmotome	Ba₂(Si₁₂Al₄)O₃₂ · 12H₂O
Au	Gold
Au	ⓘ Native Gold	Au
Au	ⓘ Sylvanite	AgAuTe₄
Pb	Lead
Pb	ⓘ Altaite	PbTe
Pb	ⓘ Galena	PbS
Bi	Bismuth
Bi	ⓘ Tellurobismuthite	Bi₂Te₃
U	Uranium
U	ⓘ Autunite	Ca(UO₂)₂(PO₄)₂ · 10-12H₂O
U	ⓘ Carnotite	K₂(UO₂)₂(VO₄)₂ · 3H₂O
U	ⓘ Coffinite	U(SiO₄) · nH₂O
U	ⓘ Metazeunerite	Cu(UO₂)₂(AsO₄)₂ · 8H₂O
U	ⓘ Uraninite var. Pitchblende	UO₂
U	ⓘ Tyuyamunite	Ca(UO₂)₂(VO₄)₂ · 5-8H₂O
U	ⓘ Uraninite	UO₂
U	ⓘ Parauranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O
U	ⓘ Uranophane	Ca(UO₂)₂(SiO₃OH)₂ · 5H₂O

Fossils

There are 205 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

205

Youngest Fossil Listed

0.01 Ma (Pleistocene)

Oldest Fossil Listed

93.5 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
Trionychidae family	Animalia : Chordata : Reptilia : Testudines : Trionychidae	55.8 - 46.2 Ma Eocene
Saniwa genus	Animalia : Chordata : Reptilia : Squamata : Varanidae : *Saniwa*	50.3 - 46.2 Ma Eocene
Apatemyidae family	Animalia : Chordata : Mammalia : Apatemyidae	50.3 - 46.2 Ma Eocene
Talpavus genus	Animalia : Chordata : Mammalia : Erinaceomorpha : *Talpavus*	55.8 - 50.3 Ma Eocene
Megalesthonyx genus	Animalia : Chordata : Mammalia : Tillotheriidae : *Megalesthonyx*	55.8 - 50.3 Ma Eocene
Coryphodon genus	Animalia : Chordata : Mammalia : Coryphodontidae : *Coryphodon*	55.8 - 50.3 Ma Eocene
Bathyopsis genus	Animalia : Chordata : Mammalia : Uintatheriidae : *Bathyopsis*	50.3 - 46.2 Ma Eocene
Stylinodon genus	Animalia : Chordata : Mammalia : Stylinodontidae : *Stylinodon*	50.3 - 46.2 Ma Eocene
Arfia genus	Animalia : Chordata : Mammalia : Hyaenodontidae : *Arfia*	50.3 - 46.2 Ma Eocene
Didymictis genus	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : *Didymictis*	55.8 - 50.3 Ma Eocene
Sciuravidae family	Animalia : Chordata : Mammalia : Rodentia : Sciuravidae	50.3 - 46.2 Ma Eocene
Hyracotherium genus	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : *Hyracotherium*	55.8 - 50.3 Ma Eocene
Heptodon genus	Animalia : Chordata : Mammalia : Perissodactyla : Helaletidae : *Heptodon*	55.8 - 50.3 Ma Eocene
Metacheiromys genus	Animalia : Chordata : Mammalia : Metacheiromyidae : *Metacheiromys*	50.3 - 46.2 Ma Eocene
Artimonius australis species	Animalia : Chordata : Mammalia : Primates : Omomyidae : Artimonius : *Artimonius australis*	50.3 - 46.2 Ma Eocene
Absarokius metoecus species	Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Absarokius : *Absarokius metoecus*	50.3 - 46.2 Ma Eocene
Artimonius nocerai species	Animalia : Chordata : Mammalia : Primates : Omomyidae : Artimonius : *Artimonius nocerai*	50.3 - 46.2 Ma Eocene
Bathyopsis fissidens species	Animalia : Chordata : Mammalia : Uintatheriidae : Bathyopsis : *Bathyopsis fissidens*	50.3 - 46.2 Ma Eocene
Bunophorus sinclairi species	Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Bunophorus : *Bunophorus sinclairi*	55.8 - 46.2 Ma Eocene
Microsyops knightensis species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Microsyops : *Microsyops knightensis*	55.8 - 50.3 Ma Eocene
Microsyops latidens species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Microsyops : *Microsyops latidens*	55.8 - 50.3 Ma Eocene
Megadelphus lundeliusi species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Megadelphus : *Megadelphus lundeliusi*	50.3 - 46.2 Ma Eocene
Diacodexis kelleyi species	Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Diacodexis : *Diacodexis kelleyi*	55.8 - 50.3 Ma Eocene
Diacodexis minutus species	Animalia : Chordata : Mammalia : Artiodactyla : Dichobunidae : Diacodexis : *Diacodexis minutus*	55.8 - 50.3 Ma Eocene
Scenopagus edenensis species	Animalia : Chordata : Mammalia : Macroscelidea : Amphilemuridae : Scenopagus : *Scenopagus edenensis*	50.3 - 46.2 Ma Eocene
Didymictis altidens species	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : Didymictis : *Didymictis altidens*	55.8 - 50.3 Ma Eocene
Didymictis vancleveae species	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : Didymictis : *Didymictis vancleveae*	50.3 - 46.2 Ma Eocene
Hapalodectes leptognathus species	Animalia : Chordata : Mammalia : Acreodi : Hapalodectidae : Hapalodectes : *Hapalodectes leptognathus*	55.8 - 50.3 Ma Eocene
Esthonyx acutidens species	Animalia : Chordata : Mammalia : Tillotheriidae : Esthonyx : *Esthonyx acutidens*	55.8 - 46.2 Ma Eocene
Uintanius rutherfurdi species	Animalia : Chordata : Mammalia : Primates : Omomyidae : Uintanius : *Uintanius rutherfurdi*	50.3 - 46.2 Ma Eocene
Smilodectes gracilis species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Smilodectes : *Smilodectes gracilis*	50.3 - 46.2 Ma Eocene
Hyopsodus paulus species	Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus : *Hyopsodus paulus*	50.3 - 46.2 Ma Eocene
Hyopsodus walcottianus species	Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus : *Hyopsodus walcottianus*	55.8 - 50.3 Ma Eocene
Hyopsodus wortmani species	Animalia : Chordata : Mammalia : Hyopsodontidae : Hyopsodus : *Hyopsodus wortmani*	55.8 - 50.3 Ma Eocene
Protorohippus venticolum species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protorohippus : *Protorohippus venticolum*	55.8 - 50.3 Ma Eocene
Phenacodus vortmani species	Animalia : Chordata : Mammalia : Ungulata : Phenacodontidae : Phenacodus : *Phenacodus vortmani*	55.8 - 50.3 Ma Eocene
Lambdotherium popoagicum species	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Lambdotherium : *Lambdotherium popoagicum*	55.8 - 50.3 Ma Eocene
Notoparamys costilloi species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Notoparamys : *Notoparamys costilloi*	55.8 - 50.3 Ma Eocene
Quadratomus grandis species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Quadratomus : *Quadratomus grandis*	50.3 - 46.2 Ma Eocene
Leptotomus parvus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Tapomys : *Leptotomus parvus*	50.3 - 46.2 Ma Eocene
Hyrachyus modestus species	Animalia : Chordata : Mammalia : Perissodactyla : Hyrachyidae : Hyrachyus : *Hyrachyus modestus*	50.3 - 46.2 Ma Eocene
Helaletes nanus species	Animalia : Chordata : Mammalia : Perissodactyla : Helaletes : *Helaletes nanus*	50.3 - 46.2 Ma Eocene
Antiacodon pygmaeus species	Animalia : Chordata : Mammalia : Artiodactyla : Homacodontidae : Antiacodon : *Antiacodon pygmaeus*	50.3 - 46.2 Ma Eocene
Hyracotherium vasacciense species	Animalia : Chordata : Mammalia : Perissodactyla : Palaeotheriidae : Hyracotherium : *Hyracotherium vasacciense*	55.8 - 46.2 Ma Eocene
Loveina zephyri species	Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Loveina : *Loveina zephyri*	55.8 - 50.3 Ma Eocene
Paramylodon harlani species	Animalia : Chordata : Mammalia : Xenarthra : Mylodontidae : Paramylodon : *Paramylodon harlani*	2.588 - 0.0117 Ma Pleistocene
Mesonyx obtusidens species	Animalia : Chordata : Mammalia : Cetacea : Mesonychidae : Mesonyx : *Mesonyx obtusidens*	50.3 - 46.2 Ma Eocene
Coryphodon armatus species	Animalia : Chordata : Mammalia : Cimolesta : Coryphodontidae : Coryphodon : *Coryphodon armatus*	55.8 - 46.2 Ma Eocene
Vulpavus canavus species	Animalia : Chordata : Mammalia : Carnivora : Vulpavus : *Vulpavus canavus*	50.3 - 46.2 Ma Eocene
Miacis parvivorus species	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Miacis : *Miacis parvivorus*	50.3 - 46.2 Ma Eocene
Microsyops scottianus species	Animalia : Chordata : Mammalia : Primates : Microsyopidae : Microsyops : *Microsyops scottianus*	55.8 - 46.2 Ma Eocene
Notharctus robinsoni species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Notharctus : *Notharctus robinsoni*	50.3 - 46.2 Ma Eocene
Scenopagus priscus species	Animalia : Chordata : Mammalia : Macroscelidea : Amphilemuridae : Scenopagus : *Scenopagus priscus*	50.3 - 46.2 Ma Eocene
Nyctitherium velox species	Animalia : Chordata : Mammalia : Soricomorpha : Nyctitheriidae : Nyctitherium : *Nyctitherium velox*	50.3 - 46.2 Ma Eocene
Omomys carteri species	Animalia : Chordata : Mammalia : Primates : Tarsiidae : Omomys : *Omomys carteri*	50.3 - 46.2 Ma Eocene
Oodectes herpestoides species	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Oodectes : *Oodectes herpestoides*	50.3 - 46.2 Ma Eocene
Eohippus angustidens species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Eohippus : *Eohippus angustidens*	55.8 - 50.3 Ma Eocene
Oxyaena lupina species	Oxyaenidae : Oxyaena : *Oxyaena lupina*	55.8 - 50.3 Ma Eocene
Eotitanops borealis species	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Eotitanops : *Eotitanops borealis*	55.8 - 46.2 Ma Eocene
Palaeosyops fontinalis species	Animalia : Chordata : Mammalia : Perissodactyla : Brontotheriidae : Palaeosyops : *Palaeosyops fontinalis*	50.3 - 46.2 Ma Eocene
Paramys copei species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Paramys : *Paramys copei*	55.8 - 46.2 Ma Eocene
Paramys excavatus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Paramys : *Paramys excavatus*	55.8 - 46.2 Ma Eocene
Knightomys huerfanensis species	Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : Knightomys : *Knightomys huerfanensis*	50.3 - 46.2 Ma Eocene
Palaeictops multicuspis species	Animalia : Chordata : Mammalia : Leptictidae : Palaeictops : *Palaeictops multicuspis*	55.8 - 50.3 Ma Eocene
Patriofelis ulta species	Oxyaenidae : Patriofelis : *Patriofelis ulta*	50.3 - 46.2 Ma Eocene
Peratherium comstocki species	Animalia : Chordata : Mammalia : Didelphimorphia : Didelphidae : Peratherium : *Peratherium comstocki*	50.3 - 46.2 Ma Eocene
Phenacodus intermedius species	Animalia : Chordata : Mammalia : Phenacodontidae : Phenacodus : *Phenacodus intermedius*	55.8 - 50.3 Ma Eocene
Simpsonlemur jepseni species	Animalia : Chordata : Mammalia : Primates : Paromomyidae : Simpsonlemur : *Simpsonlemur jepseni*	55.8 - 50.3 Ma Eocene
Pelycodus jarrovii species	Animalia : Chordata : Mammalia : Primates : Adapidae : Pelycodus : *Pelycodus jarrovii*	55.8 - 50.3 Ma Eocene
Tritemnodon strenuus species	Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Tritemnodon : *Tritemnodon strenuus*	50.3 - 46.2 Ma Eocene
Knightomys depressus species	Animalia : Chordata : Mammalia : Rodentia : Sciuravidae : Knightomys : *Knightomys depressus*	50.3 - 46.2 Ma Eocene
Smilodectes mcgrewi species	Animalia : Chordata : Mammalia : Primates : Notharctidae : Smilodectes : *Smilodectes mcgrewi*	50.3 - 46.2 Ma Eocene
Thisbemys elachistos species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Thisbemys : *Thisbemys elachistos*	50.3 - 46.2 Ma Eocene
Thisbemys perditus species	Animalia : Chordata : Mammalia : Rodentia : Ischyromyidae : Thisbemys : *Thisbemys perditus*	50.3 - 46.2 Ma Eocene
Trogosus grangeri species	Animalia : Chordata : Mammalia : Tillotheriidae : Trogosus : *Trogosus grangeri*	50.3 - 46.2 Ma Eocene
Uintacyon asodes species	Animalia : Chordata : Mammalia : Carnivora : Miacidae : Uintacyon : *Uintacyon asodes*	50.3 - 46.2 Ma Eocene
Viverravus gracilis species	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : Viverravus : *Viverravus gracilis*	55.8 - 46.2 Ma Eocene
Viverravus sicarius species	Animalia : Chordata : Mammalia : Carnivora : Viverravidae : Viverravus : *Viverravus sicarius*	50.3 - 46.2 Ma Eocene
Bunophorus pattersoni species	Animalia : Chordata : Mammalia : Artiodactyla : Diacodexeidae : Bunophorus : *Bunophorus pattersoni*	50.3 - 46.2 Ma Eocene
Washakius izetti species	Animalia : Chordata : Mammalia : Primates : Anaptomorphidae : Washakius : *Washakius izetti*	50.3 - 46.2 Ma Eocene
Xenicohippus osborni species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Xenicohippus : *Xenicohippus osborni*	55.8 - 50.3 Ma Eocene
Ficus genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Moraceae : *Ficus*	66 - 56 Ma Paleocene
Magnolia genus	Plantae : Tracheophyta : Magnoliopsida : Magnoliales : Magnoliaceae : *Magnolia*	66 - 56 Ma Paleocene
Cissus genus	Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : *Cissus*	66 - 56 Ma Paleocene
Nyssa genus	Plantae : Tracheophyta : Magnoliopsida : Cornales : Nyssaceae : *Nyssa*	66 - 56 Ma Paleocene
Juglans genus	Plantae : Tracheophyta : Magnoliopsida : Fagales : Juglandaceae : *Juglans*	66 - 56 Ma Paleocene
Platanus raynoldsii species	Plantae : Tracheophyta : Magnoliopsida : Proteales : Platanaceae : Platanus : *Platanus raynoldsii*	66 - 56 Ma Paleocene
Herpetotheriidae unranked clade	Animalia : Chordata : Mammalia : Marsupialia : Herpetotheriidae	50.3 - 46.2 Ma Eocene
Glyptosaurinae subfamily	Animalia : Chordata : Reptilia : Squamata : Anguidae : Glyptosaurinae	50.3 - 46.2 Ma Eocene
Glyptosaurus sylvestris species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Glyptosaurus : *Glyptosaurus sylvestris*	55.8 - 46.2 Ma Eocene
Cheilophis huerfanoensis species	Animalia : Chordata : Reptilia : Squamata : Boidae : Cheilophis : *Cheilophis huerfanoensis*	50.3 - 46.2 Ma Eocene
Notharctinae subfamily	Animalia : Chordata : Mammalia : Primates : Notharctidae : Notharctinae	55.8 - 46.2 Ma Eocene
Perissodactyla order	Animalia : Chordata : Mammalia : Perissodactyla	55.8 - 50.3 Ma Eocene
Hadrianus corsoni species	Animalia : Chordata : Reptilia : Testudines : Pantestudinidae : Hadrianus : *Hadrianus corsoni*	55.8 - 46.2 Ma Eocene
Echmatemys stevensoniana species	Animalia : Chordata : Reptilia : Testudines : Geoemydidae : Echmatemys : *Echmatemys stevensoniana*	55.8 - 46.2 Ma Eocene
Vitis genus	Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : *Vitis*	66 - 56 Ma Paleocene
Baltemys staurogastros species	Animalia : Chordata : Reptilia : Testudines : Kinosternidae : Baltemys : *Baltemys staurogastros*	50.3 - 46.2 Ma Eocene
Zizyphus genus	Plantae : Tracheophyta : Magnoliopsida : Rosales : Rhamnaceae : *Zizyphus*	66 - 56 Ma Paleocene
Nymphaea leei species	Plantae : Tracheophyta : Magnoliopsida : Nymphaeales : Nymphaeaceae : Nymphaea : *Nymphaea leei*	66 - 56 Ma Paleocene
Chamaedorea danae species	Chamaedorea : *Chamaedorea danae*	66 - 56 Ma Paleocene
Sabal imperialis species	Sabal : *Sabal imperialis*	66 - 56 Ma Paleocene
Cissites rocklandensis species	Plantae : Tracheophyta : Magnoliopsida : Vitales : Vitaceae : Cissites : *Cissites rocklandensis*	66 - 56 Ma Paleocene
Paraglyptosaurus princeps species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Paraglyptosaurus : *Paraglyptosaurus princeps*	55.8 - 46.2 Ma Eocene
Eoglyptosaurus donohoei species	Animalia : Chordata : Reptilia : Squamata : Anguidae : Eoglyptosaurus : *Eoglyptosaurus donohoei*	55.8 - 46.2 Ma Eocene
Pantrionychidae unranked clade	Animalia : Chordata : Reptilia : Testudines : Pantrionychidae	50.3 - 46.2 Ma Eocene
Hardouinia stantoni species	Animalia : Echinodermata : Echinoidea : Cassiduloida : Harduinia : *Hardouinia stantoni*	93.5 - 89.3 Ma Late/Upper Cretaceous

Fossil Localities

Click to show 5 fossil localities

USA

Colorado
- Huerfano County
  - Eocene🐚 Dug Springs/Sand Arroyos
  - Eocene🐚 Two miles north of Gardner
  - Late/Upper Cretaceous🐚 USGS 20267
  - Late/Upper Cretaceous🐚 USGS 743
  - Cenozoic🐚 USGS locality 5678

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Huerfano_County,_Colorado
Wikidata ID:	Q127973
GeoNames ID:	5425737

Localities in this Region

USA

Colorado
- Huerfano County

USA

Colorado
- Huerfano County

Other Regions, Features and Areas that Intersect

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Great Plains DomainDomain
Raton BasinBasin
Southern Rocky MountainsOrogenic Belt
Yavapai TerraneVolcanic Arc

USA

Central Colorado–Taos TroughBasin
Sangre de Christo Mountains

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

Quick NavTop Commodities Mineral List Rock Types Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 1, 2026 14:58:15 Page updated: July 27, 2026 03:21:51

Go to top of page

Huerfano County, Colorado, USAiRegional Level TypesHuerfano CountyCounty ColoradoState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Select Mineral List Type

Commodity List

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

Huerfano County, Colorado, USA i
Regional Level Types
Huerfano County County
Colorado State
USA Country