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Alexander County, Illinois, USA i
Regional Level Types
Alexander County County
Illinois State
USA Country

Regional Level Types
Alexander County	County
Illinois	State
USA	Country

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Neighbouring regions:

Ballard County, Kentucky, USA

Pulaski County, Illinois, USA

Cape Girardeau County, Missouri, USA

Mississippi County, Missouri, USA

Scott County, Missouri, USA

Union County, Illinois, USA

Type:

County

Largest Settlements:

Place	Population
Cairo	2,467 (2017)
Olive Branch	864 (2011)
Tamms	550 (2017)
Thebes	375 (2017)
McClure	349 (2017)
East Cape Girardeau	331 (2017)

Mindat Locality ID:

64409

Long-form identifier:

mindat:1:2:64409:2

GUID (UUID V4):

Other Languages:

View 32 more...

French:

Comté d'Alexander, Illinois, États-Unis

German:

Alexander County, Illinois, Vereinigte Staaten

Italian:

Contea di Alexander, Illinois, Stati Uniti d'America

Russian:

Александр, Иллинойс, Соединённые Штаты Америки

Simplified Chinese:

亞歷山大縣, 伊利诺伊州, 美国

Spanish:

Condado de Alexander, Illinois, Estados Unidos

Albanian:

Alexander County, Illinois, Shtetet e Bashkuara të Amerikës

Arabic:

مقاطعة أليكزاندر, إلينوي, الولايات المتحدة

Armenian:

Ալեքսանդր շրջան, Իլինոյս, Ամերիկայի Միացյալ Նահանգներ

Basque:

Alexander konderria, Illinois

Bavarian:

Alexander County, Illinois, Vaoanigte Stootn

Bishnupriya Manipuri:

আলেকজান্ডার কাউন্টি, ইলিনয়স, তিলপারাষ্ট্র

Bulgarian:

Александър, Илинойс, Съединени американски щати

Cebuano:

Alexander County, Illinois

Czech:

Alexander County, Illinois, Spojené státy americké

Dutch:

Alexander County, Illinois, Verenigde Staten

Estonian:

Alexanderi maakond, Illinois, Ameerika Ühendriigid

Farsi/Persian:

شهرستان الکساندر، ایلینوی, ایلینوی, ایالات متحده آمریکا

Hungarian:

Alexander megye, Illinois, Amerikai Egyesült Államok

Indonesian:

Alexander County, Illinois, Amerika Serikat

Japanese:

アレクサンダー郡, イリノイ州, アメリカ合衆国

Latin:

Alexander Comitatus, Illinoesia, Civitates Foederatae Americae

Low Saxon/Low German:

Alexander County, Illinois, USA

Min Dong Chinese:

Alexander Gông, Illinois

Norwegian:

Alexander County, Illinois, USA

Polish:

Hrabstwo Alexander, Illinois, Stany Zjednoczone

Portuguese:

Condado de Alexander, Illinois, Estados Unidos

Romanian:

Comitatul Alexander, Illinois, Statele Unite ale Americii

Serbian:

Округ Александер, Илиноис, Сједињене Америчке Државе

Serbo-Croatian:

Alexander County, Illinois, Sjedinjene Američke Države

Swedish:

Alexander County, Illinois, USA

Turkish:

Alexander County, Illinois, Amerika Birleşik Devletleri

Ukrainian:

Александер, Іллінойс, Сполучені Штати Америки

Urdu:

الیگزینڈر کاؤنٹی، الینوائے, الینوائے, ریاستہائے متحدہ امریکا

Vietnamese:

Quận Alexander, Illinois, Chủng Quốc Hoa Kỳ

Waray:

Condado han Alexander, Illinois, Estados Unidos

Welsh:

Alexander County, Illinois, Unol Daleithiau America

Western Punjabi:

الیگزنڈر کاؤنٹی, الینوۓ, امریکہ

No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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

11 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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ 'Clay minerals'

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Diamond

Formula: C

References:

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

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Kyanite

Formula: Al₂(SiO₄)O

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ 'Leucoxene'

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Marcasite

Formula: FeS₂

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ 'Monazite Group'

Formula: REE(PO₄)

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Opal

Formula: SiO₂ · nH₂O

References:

Dake, Fleener & Wilson, 1938. Quartz Family Minerals

ⓘ Quartz

Formula: SiO₂

References:

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

ⓘ Quartz var. Agate

Formula: SiO₂

References:

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

ⓘ Quartz var. Chalcedony

Formula: SiO₂

References:

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

ⓘ Rutile

Formula: TiO₂

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Sillimanite

Formula: Al₂(SiO₄)O

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Staurolite

Formula: Fe²⁺₂Al₉Si₄O₂₃(OH)

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Xenotime-(Y)

Formula: Y(PO₄)

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

ⓘ Zircon

Formula: Zr(SiO₄)

Locality: Fayville, Alexander County, Illinois, USA

References:

Kolata, Dennis R., Treworgy, Janis D., Masters, John M. (1981) Structural framework of the Mississippi embayment of southern Illinois. Circular 516. Illinois State Geological Survey

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Diamond	1.CB.10a	C
Group 2 - Sulphides and Sulfosalts
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz var. Agate	4.DA.05	SiO₂
ⓘ	var. Chalcedony	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Rutile	4.DB.05	TiO₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Xenotime-(Y)	8.AD.35	Y(PO₄)
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Sillimanite	9.AF.05	Al₂(SiO₄)O
ⓘ	Kyanite	9.AF.15	Al₂(SiO₄)O
ⓘ	Staurolite	9.AF.30	Fe²⁺₂Al₉Si₄O₂₃(OH)
Unclassified
ⓘ	'Clay minerals'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Leucoxene'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
B	Boron
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Diamond	C
O	Oxygen
O	ⓘ Quartz var. Agate	SiO₂
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Kyanite	Al₂(SiO₄)O
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Sillimanite	Al₂(SiO₄)O
O	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Xenotime-(Y)	Y(PO₄)
O	ⓘ Zircon	Zr(SiO₄)
Al	Aluminium
Al	ⓘ Kyanite	Al₂(SiO₄)O
Al	ⓘ Sillimanite	Al₂(SiO₄)O
Al	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Si	Silicon
Si	ⓘ Quartz var. Agate	SiO₂
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Kyanite	Al₂(SiO₄)O
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sillimanite	Al₂(SiO₄)O
Si	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Si	ⓘ Zircon	Zr(SiO₄)
P	Phosphorus
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Xenotime-(Y)	Y(PO₄)
S	Sulfur
S	ⓘ Marcasite	FeS₂
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Fe	Iron
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Staurolite	Fe₂²⁺Al₉Si₄O₂₃(OH)
Y	Yttrium
Y	ⓘ Xenotime-(Y)	Y(PO₄)
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)

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

427 Ma (Silurian)

Oldest Fossil Listed

450 Ma (Late/Upper Ordovician)

Stratigraphic Units

Unit	No. Occurrences	Age
St. Clair	27	443.4 - 427.4 Ma (Silurian)
Girardeau Limestone	5	445.2 - 443.4 Ma (Paleozoic)
Orchard Creek Shale	16	449.5 - 443.7 Ma (Paleozoic)
Leemon	14	449.5 - 443.7 Ma (Paleozoic)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Zaphrenthis genus	Animalia : Cnidaria : Anthozoa : Zaphrentidae : *Zaphrenthis*	449.5 - 443.7 Ma Paleozoic
Tentaculitida order	Animalia : Lophotrochozoa : Tentaculitida	449.5 - 443.7 Ma Paleozoic
Archaeogastropoda order	Animalia : Mollusca : Gastropoda : Archaeogastropoda	449.5 - 443.7 Ma Paleozoic
Bumastus genus	Animalia : Arthropoda : Trilobita : Corynexochida : Illaenidae : *Bumastus*	449.5 - 443.7 Ma Paleozoic
Metopolichas genus	Animalia : Arthropoda : Trilobita : Lichida : Lichidae : *Metopolichas*	449.5 - 443.7 Ma Paleozoic
Bryozoa phylum	Animalia : Bryozoa	449.5 - 443.7 Ma Paleozoic
Resserella genus	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : *Resserella*	449.5 - 443.7 Ma Paleozoic
Rafinesquina genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : *Rafinesquina*	449.5 - 443.7 Ma Paleozoic
Isorophus genus	Animalia : Echinodermata : Edrioasteroidea : Isorophidae : *Isorophus*	449.5 - 443.7 Ma Paleozoic
Pyrgocystis genus	Animalia : Echinodermata : Edrioasteroidea : Pyrgocystidae : *Pyrgocystis*	449.5 - 443.7 Ma Paleozoic
Lepadocystis genus	Animalia : Echinodermata : Rhombifera : Callocystitidae : *Lepadocystis*	449.5 - 443.7 Ma Paleozoic
Diamphidiocystis genus	Animalia : Echinodermata : Stylophora : Mitrata : *Diamphidiocystis*	449.5 - 443.7 Ma Paleozoic
Crinoidea class	Animalia : Echinodermata : Crinoidea	449.5 - 443.7 Ma Paleozoic
Alisocrinus genus	Animalia : Echinodermata : Crinoidea : Melocrinitidae : *Alisocrinus*	445.2 - 443.4 Ma Paleozoic
Culicocrinus genus	Animalia : Echinodermata : Crinoidea : *Culicocrinus*	445.2 - 443.4 Ma Paleozoic
Eopatelliocrinus genus	Animalia : Echinodermata : Crinoidea : Patelliocrinidae : *Eopatelliocrinus*	445.2 - 443.4 Ma Paleozoic
Macrostylocrinus genus	Animalia : Echinodermata : Crinoidea : Patelliocrinidae : *Macrostylocrinus*	445.2 - 443.4 Ma Paleozoic
Belodella genus	Animalia : Chordata : Belodontidae : *Belodella*	443.4 - 427.4 Ma Silurian
Ozarkodina genus	Animalia : Chordata : Prioniodontidae : *Ozarkodina*	443.4 - 427.4 Ma Silurian
Cyclonema daytonensis species	Animalia : Mollusca : Gastropoda : Platyceratidae : Cyclonema : *Cyclonema daytonensis*	449.5 - 443.7 Ma Paleozoic
Dendrocrinidae family	Animalia : Echinodermata : Crinoidea : Dendrocrinidae	449.5 - 443.7 Ma Paleozoic
Stegerhynchus concinna species	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Stegerhynchus : *Stegerhynchus concinna*	449.5 - 443.7 Ma Paleozoic
Wurmiella excavata species	Animalia : Chordata : Conodonta : Ozarkodinida : Spathognathodontodae : Wurmiella : *Wurmiella excavata*	443.4 - 427.4 Ma Silurian
Eospirigerina putilla species	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypinidae : Eospirigerina : *Eospirigerina putilla*	449.5 - 443.7 Ma Paleozoic
Dalmanella edgewoodensis species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Dalmanella : *Dalmanella edgewoodensis*	449.5 - 443.7 Ma Paleozoic
Stegerhynchus antiqua species	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Stegerhynchus : *Stegerhynchus antiqua*	449.5 - 443.7 Ma Paleozoic
Cryptothyrella ovoides species	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : Hindella : *Cryptothyrella ovoides*	449.5 - 443.7 Ma Paleozoic
Walliserodus sancticlairi species	Animalia : Chordata : Belodellidae : Walliserodus : *Walliserodus sancticlairi*	443.4 - 427.4 Ma Silurian
Thebesia thebesensis species	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Trigonirhynchiidae : Thebesia : *Thebesia thebesensis*	449.5 - 443.7 Ma Paleozoic
Atrypa putilla species	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Atrypa : *Atrypa putilla*	449.5 - 443.7 Ma Paleozoic
Eunema fasciata species	Animalia : Mollusca : Gastropoda : Lophospiridae : Eunema : *Eunema fasciata*	449.5 - 443.7 Ma Paleozoic
Euhydrodiskos diktyotos species	Animalia : Echinodermata : Edrioasteroidea : Isorophida : Lebetodiscidae : Euhydrodiskos : *Euhydrodiskos diktyotos*	449.5 - 443.7 Ma Paleozoic
Savagella illinoisensis species	Animalia : Echinodermata : Edrioasteroidea : Isorophida : Agelacrinitidae : Savagella : *Savagella illinoisensis*	449.5 - 443.7 Ma Paleozoic
Hystrichopsydrax sandersi species	Animalia : Echinodermata : Edrioasteroidea : Isorophida : Agelacrinitidae : Hystrichopsydrax : *Hystrichopsydrax sandersi*	449.5 - 443.7 Ma Paleozoic
Panderodus unicostatus species	Animalia : Chordata : Distacodontidae : Panderodus : *Panderodus unicostatus*	443.4 - 427.4 Ma Silurian
Dapsilodus obliquicostatus species	Animalia : Chordata : Conodonta : Belodellida : Dapsilodontidae : Dapsilodus : *Dapsilodus obliquicostatus*	443.4 - 427.4 Ma Silurian
Decoriconus fragilis species	Animalia : Chordata : Conodonta : Strachanognathidae : Decoriconus : *Decoriconus fragilis*	443.4 - 427.4 Ma Silurian

Fossil Localities

Click to show 3 fossil localities

USA

Illinois
- Alexander County

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Alexander_County,_Illinois
Wikidata ID:	Q108851
GeoNames ID:	4232592

Localities in this Region

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Granite-Rhyolite ProvinceMagmatic Province
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.

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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

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Localities in this Region

Other Regions, Features and Areas that Intersect

Alexander County, Illinois, USA i
Regional Level Types
Alexander County County
Illinois State
USA Country