Description: Fa 0.4% according to Olsen et al., (1976); McCoy et al.,(1995) find that the fine-grained lithology (30 vol% of the meteorite) consists of ~90% enstatite

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Locality: Palo Duro Canyon area, Armstrong County, Texas, USA

ⓘ Halite

Formula: NaCl

References:

Darton, N.H.,(1921) Permian Salt Deposits of the South -Central United States :USGS Bulletion 715 -M

ⓘ 'Limonite'

References:

USGS National Geochemical Database:Rocks -File D159243

ⓘ Manganite

Formula: Mn³⁺O(OH)

Locality: Palo Duro Canyon area, Armstrong County, Texas, USA

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Unknown Diatomite Deposit, Armstrong County, Texas, USA

ⓘ Osbornite

Formula: TiN

Locality: Happy Canyon meteorite, Armstrong County, Texas, USA

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Locality: Happy Canyon meteorite, Armstrong County, Texas, USA

Description: Plagioclase in the predominant coarse-grained litholgy is albitic (An14), but in the fine-grained lithology the anorthositic component is unusually high for Enstatite chondrites (An25)[McCoy et al.,1995]

ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

Locality: Palo Duro Canyon area, Armstrong County, Texas, USA

ⓘ 'Silica'

Locality: Happy Canyon meteorite, Armstrong County, Texas, USA

ⓘ Taenite

Formula: (Fe,Ni)

Locality: Happy Canyon meteorite, Armstrong County, Texas, USA

ⓘ Troilite

Formula: FeS

Locality: Happy Canyon meteorite, Armstrong County, Texas, USA

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Taenite	1.AE.10	(Fe,Ni)
ⓘ	Osbornite	1.BC.15	TiN
Group 2 - Sulphides and Sulfosalts
ⓘ	Troilite	2.CC.10	FeS
Group 3 - Halides
ⓘ	Halite	3.AA.20	NaCl
Group 4 - Oxides and Hydroxides
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Manganite	4.FD.15	Mn³⁺O(OH)
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Aragonite	5.AB.15	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Celestine	7.AD.35	SrSO₄
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Enstatite	9.DA.05	Mg₂Si₂O₆
ⓘ	Clinoenstatite	9.DA.10	MgSiO₃
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
Unclassified
ⓘ	'Limonite'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'Silica'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Manganite	Mn³⁺O(OH)
H	ⓘ Opal	SiO₂ · nH₂O
C	Carbon
C	ⓘ Aragonite	CaCO₃
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
N	Nitrogen
N	ⓘ Osbornite	TiN
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Aragonite	CaCO₃
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Celestine	SrSO₄
O	ⓘ Clinoenstatite	MgSiO₃
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Enstatite	Mg₂Si₂O₆
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Manganite	Mn³⁺O(OH)
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Halite	NaCl
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Clinoenstatite	MgSiO₃
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Enstatite	Mg₂Si₂O₆
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Clinoenstatite	MgSiO₃
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Enstatite	Mg₂Si₂O₆
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Celestine	SrSO₄
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Troilite	FeS
Cl	Chlorine
Cl	ⓘ Halite	NaCl
Ca	Calcium
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Osbornite	TiN
Mn	Manganese
Mn	ⓘ Manganite	Mn³⁺O(OH)
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Fe	Iron
Fe	ⓘ Taenite	(Fe,Ni)
Fe	ⓘ Troilite	FeS
Ni	Nickel
Ni	ⓘ Taenite	(Fe,Ni)
Sr	Strontium
Sr	ⓘ Celestine	SrSO₄
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Fossils

There are 1 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

4.90 Ma (Pliocene)

Oldest Fossil Listed

10.3 Ma (Miocene)

Stratigraphic Units

Unit	No. Occurrences	Age
Goodnight Beds	10	10.3 - 4.9 Ma (Neogene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Felidae family	Animalia : Chordata : Mammalia : Carnivora : Felidae	10.3 - 4.9 Ma Neogene
Hemiauchenia genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Hemiauchenia*	10.3 - 4.9 Ma Neogene
Megatylopus genus	Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : *Megatylopus*	10.3 - 4.9 Ma Neogene
Antilocapridae family	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae	10.3 - 4.9 Ma Neogene
Hexobelomeryx genus	Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : *Hexobelomeryx*	10.3 - 4.9 Ma Neogene
Rhynchotherium genus	Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae : *Rhynchotherium*	10.3 - 4.9 Ma Neogene
Aphelops mutilus species	Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Aphelops : *Aphelops mutilus*	10.3 - 4.9 Ma Neogene
Borophagus secundus species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : *Borophagus secundus*	10.3 - 4.9 Ma Neogene
Neohipparion eurystyle species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Neohipparion : *Neohipparion eurystyle*	10.3 - 4.9 Ma Neogene
Protohippus perditus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protohippus : *Protohippus perditus*	10.3 - 4.9 Ma Neogene
Dinohippus interpolatus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Dinohippus : *Dinohippus interpolatus*	10.3 - 4.9 Ma Neogene
Pliohippus spectans species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : *Pliohippus spectans*	10.3 - 4.9 Ma Neogene
Cormohipparion ingenuum species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Cormohipparion : *Cormohipparion ingenuum*	10.3 - 4.9 Ma Neogene
Borophagus hilli species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : *Borophagus hilli*	10.3 - 4.9 Ma Neogene
Pediomeryx hemphillensis species	Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Pediomeryx : *Pediomeryx hemphillensis*	10.3 - 4.9 Ma Neogene
Dinohippus mexicanus species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Dinohippus : *Dinohippus mexicanus*	10.3 - 4.9 Ma Neogene
Astrohippus stockii species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Astrohippus : *Astrohippus stockii*	10.3 - 4.9 Ma Neogene
Astrohippus ansae species	Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Astrohippus : *Astrohippus ansae*	10.3 - 4.9 Ma Neogene
Vulpes stenognathus species	Animalia : Chordata : Mammalia : Carnivora : Canidae : Vulpes : *Vulpes stenognathus*	10.3 - 4.9 Ma Neogene
Caninae subfamily	Animalia : Chordata : Mammalia : Carnivora : Canidae : Caninae	10.3 - 4.9 Ma Neogene
Mephitini tribe	Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Mephitini	10.3 - 4.9 Ma Neogene
Tayassuinae subfamily	Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Tayassuinae	10.3 - 4.9 Ma Neogene

Fossil Localities

Click to show 1 fossil locality

USA

Texas
- Armstrong County
  - Neogene🐚 Christian Ranch

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Armstrong_County,_Texas
Wikidata ID:	Q107977
GeoNames ID:	5516441

Localities in this Region

USA

Texas
- Armstrong County

Other Regions, Features and Areas that Intersect

North America PlateTectonic Plate

Palo Duro BasinBasin
Shawnee DomainDomain

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.

References

Darton, N.H. (1921) Permian Salt Deposits of the South-Central United States: USGS Bulletin 715-M.

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

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, 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.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 18, 2024 09:10:53 Page updated: February 23, 2024 00:38:03

Go to top of page

Armstrong County, Texas, USAiRegional Level TypesArmstrong CountyCounty TexasState 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

References

Armstrong County, Texas, USA i
Regional Level Types
Armstrong County County
Texas State
USA Country