Graham, A. L., Bevan, A. W. R., Hutchison, R. (1985) Catalogue of Meteorites - With Special Reference to those Represented in the Collection of the British Museum (Natural History) (4th ed.) British Museum (Natural History), London.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Locality: Potter meteorite, Cheyenne County, Nebraska, USA

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ 'Limonite'

Locality: Potter meteorite, Cheyenne County, Nebraska, USA

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Native Iron

Formula: Fe

Locality: Potter meteorite, Cheyenne County, Nebraska, USA

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Native Iron var. Kamacite

Formula: (Fe,Ni)

Locality: Potter meteorite, Cheyenne County, Nebraska, USA

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

ⓘ Opal

Formula: SiO₂ · nH₂O

References:

Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion

ⓘ 'Orthopyroxene Subgroup'

Locality: Potter meteorite, Cheyenne County, Nebraska, USA

Description: Orthopyroxene composition ('hypersthene') characteristic of L chondrites.

References:

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

References:

Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion

ⓘ Troilite

Formula: FeS

Locality: Potter meteorite, Cheyenne County, Nebraska, USA

References:

Ramdohr, Paul (1972) The Opaque Minerals in Stony Meteorites. De Gruyter. doi:10.1515/9783112651025

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Iron	1.AE.05	Fe
ⓘ	var. Kamacite	1.AE.05	(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
ⓘ	Troilite	2.CC.10	FeS
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
Unclassified
ⓘ	'Limonite'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Orthopyroxene Subgroup'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Opal	SiO₂ · nH₂O
O	Oxygen
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Fayalite-Forsterite Series
Mg	Magnesium
Mg	ⓘ Fayalite-Forsterite Series
Si	Silicon
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Fayalite-Forsterite Series
S	Sulfur
S	ⓘ Troilite	FeS
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Mn	Manganese
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Native Iron	Fe
Fe	ⓘ Native Iron var. Kamacite	(Fe,Ni)
Fe	ⓘ Troilite	FeS
Fe	ⓘ Fayalite-Forsterite Series
Ni	Nickel
Ni	ⓘ Native Iron var. Kamacite	(Fe,Ni)

Fossils

There are 3 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

Youngest Fossil Listed

4.90 Ma (Pliocene)

Oldest Fossil Listed

113 Ma (Early/Lower Cretaceous)

Stratigraphic Units

Unit	No. Occurrences	Age
Ash Hollow	15	10.3 - 4.9 Ma (Neogene)
Ogallala	1	10.3 - 4.9 Ma (Neogene)
Skull Creek Shale	1	113 - 100.5 Ma (Early/Lower Cretaceous)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Felidae family	Animalia : Chordata : Mammalia : Carnivora : Felidae	13.6 - 4.9 Ma Neogene
Borophagus genus	Animalia : Chordata : Mammalia : Carnivora : Canidae : *Borophagus*	10.3 - 4.9 Ma Neogene
Ceratogaulus genus	Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae : *Ceratogaulus*	10.3 - 4.9 Ma Neogene
Spermophilus genus	Animalia : Chordata : Mammalia : Rodentia : Sciuridae : *Spermophilus*	13.6 - 4.9 Ma Neogene
Pliosaccomys genus	Animalia : Chordata : Mammalia : Rodentia : Geomyidae : *Pliosaccomys*	13.6 - 4.9 Ma Neogene
Megatylopus genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Megatylopus*	13.6 - 4.9 Ma Neogene
Pseudoceras genus	Animalia : Chordata : Mammalia : Artiodactyla : Gelocidae : *Pseudoceras*	13.6 - 4.9 Ma Neogene
Pediomeryx genus	Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : *Pediomeryx*	13.6 - 4.9 Ma Neogene
Teleoceras genus	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : *Teleoceras*	13.6 - 4.9 Ma Neogene
Gomphotheriidae family	Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae	10.3 - 4.9 Ma Neogene
Crusafontina magna species	Animalia : Chordata : Mammalia : Soricidae : Crusafontina : *Crusafontina magna*	13.6 - 4.9 Ma Neogene
Teleoceras fossiger species	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Teleoceras : *Teleoceras fossiger*	10.3 - 4.9 Ma Neogene
Borophagus secundus species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : *Borophagus secundus*	10.3 - 4.9 Ma Neogene
Epicyon haydeni species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Epicyon : *Epicyon haydeni*	13.6 - 4.9 Ma Neogene
Dipoides stirtoni species	Animalia : Chordata : Mammalia : Rodentia : Castoridae : Dipoides : *Dipoides stirtoni*	13.6 - 4.9 Ma Neogene
Goniodontomys disjunctus species	Animalia : Chordata : Mammalia : Rodentia : Muridae : Goniodontomys : *Goniodontomys disjunctus*	13.6 - 4.9 Ma Neogene
Lemoynea biradicularis species	Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Lemoynea : *Lemoynea biradicularis*	13.6 - 4.9 Ma Neogene
Amphimachairodus coloradensis species	Animalia : Chordata : Mammalia : Carnivora : Felidae : Amphimachairodus : *Amphimachairodus coloradensis*	10.3 - 4.9 Ma Neogene
Megalonyx curvidens species	Animalia : Chordata : Mammalia : Pilosa : Megalonychidae : Megalonyx : *Megalonyx curvidens*	10.3 - 4.9 Ma Neogene
Megatylopus gigas species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Megatylopus : *Megatylopus gigas*	10.3 - 4.9 Ma Neogene
Neohipparion leptode species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Neohipparion : *Neohipparion leptode*	13.6 - 4.9 Ma Neogene
Pleiolama vera species	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Pleiolama : *Pleiolama vera*	10.3 - 4.9 Ma Neogene
Dinohippus leidyanus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Dinohippus : *Dinohippus leidyanus*	10.3 - 4.9 Ma Neogene
Nannippus lenticularis species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Nannippus : *Nannippus lenticularis*	10.3 - 4.9 Ma Neogene
Sorex edwardsi species	Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Sorex : *Sorex edwardsi*	13.6 - 4.9 Ma Neogene
Arcellites genus	Plantae : *Arcellites*	113 - 100.5 Ma Early/Lower Cretaceous
Archaeolaginae subfamily	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolaginae	13.6 - 4.9 Ma Neogene

Fossil Localities

Click to show 3 fossil localities

USA

Nebraska
- Cheyenne County

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Cheyenne_County,_Nebraska
Wikidata ID:	Q484771
GeoNames ID:	5694258

Localities in this Region

USA

Nebraska
- Cheyenne County
  - Potter meteorite

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Denver BasinBasin
Great Plains DomainDomain
Yavapai TerraneVolcanic Arc

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.

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Mineral List

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Localities in this Region

Other Regions, Features and Areas that Intersect

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