Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	Fe³⁺O(OH)
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Melanterite	7.CB.35	Fe²⁺(H₂O)₆(SO₄) · H₂O
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
ⓘ	var. Selenite	7.CD.40	CaSO₄ · 2H₂O
ⓘ	Copiapite ?	7.DB.35	Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂ · 20H₂O
Unclassified
ⓘ	'Limonite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
H	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
O	Oxygen
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Quartz	SiO₂
O	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
Mg	Magnesium
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Marcasite	FeS₂
S	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Gypsum var. Selenite	CaSO₄ · 2H₂O
Mn	Manganese
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Copiapite	Fe²⁺Fe₄³⁺(SO₄)₆(OH)₂ · 20H₂O
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Melanterite	Fe²⁺(H₂O)₆(SO₄) · H₂O
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Fossils

There are 76 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

372 Ma (Late/Upper Devonian)

Oldest Fossil Listed

388 Ma (Middle Devonian)

Stratigraphic Units

Click here to view 8 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Petrocrania genus	Animalia : Brachiopoda : Craniata : Craniida : Craniidae : *Petrocrania*	388.1 - 383.7 Ma Middle Devonian
Douvillina genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : *Douvillina*	387.7 - 382.7 Ma Devonian
Atribonium genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Stenoscismatidae : *Atribonium*	388.1 - 383.7 Ma Middle Devonian
Allanella genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Adolfiidae : *Allanella*	388.1 - 372.2 Ma Devonian
Athyris genus	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Athyris*	388.1 - 372.2 Ma Devonian
Cyrtina genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Cyrtinidae : *Cyrtina*	388.1 - 383.7 Ma Middle Devonian
Eosyringothyris genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Eosyringothyris*	388.1 - 372.2 Ma Devonian
Orthospirifer genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Orthospirifer*	388.1 - 372.2 Ma Devonian
Spinocyrtia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Spinocyrtia*	388.1 - 372.2 Ma Devonian
Tecnocyrtina genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Cyrtinidae : *Tecnocyrtina*	388.1 - 372.2 Ma Devonian
Desquamatia genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Desquamatia*	388.1 - 383.7 Ma Middle Devonian
Desquamatia (Independatrypa) subgenus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Desquamatia : *Desquamatia (Independatrypa)*	388.1 - 372.2 Ma Devonian
Pseudoatrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Pseudoatrypa*	388.1 - 372.2 Ma Devonian
Spinatrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Spinatrypa*	388.1 - 372.2 Ma Devonian
Cranaena genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : *Cranaena*	388.1 - 372.2 Ma Devonian
Strophomena (Strophodonta) subgenus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophomena (Strophodonta)*	388.1 - 372.2 Ma Devonian
Eutaxocrinus gracilis species	Animalia : Echinodermata : Crinoidea : Taxocrinidae : Eutaxocrinus : *Eutaxocrinus gracilis*	387.7 - 382.7 Ma Devonian
Botryocrinus thomasi species	Animalia : Echinodermata : Crinoidea : Thalamocrinidae : Botryocrinus : *Botryocrinus thomasi*	387.7 - 382.7 Ma Devonian
Decadocrinus spinulifer species	Animalia : Echinodermata : Crinoidea : Decadocrinidae : Decadocrinus : *Decadocrinus spinulifer*	387.7 - 382.7 Ma Devonian
Halysiocrinus barrisi species	Animalia : Echinodermata : Crinoidea : Calceocrinida : Calceocrinidae : Halysiocrinus : *Halysiocrinus barrisi*	387.7 - 382.7 Ma Devonian
Schizophoria (Schizophoria) iowensis species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Schizophoria) iowensis*	387.7 - 372.2 Ma Devonian
Schizophoria lata species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria lata*	388.1 - 372.2 Ma Devonian
Douvillina arcuata species	Animalia : Brachiopoda : Strophomenata : Strophomenida : Douvillinidae : Douvillina : *Douvillina arcuata*	382.7 - 372.2 Ma Late/Upper Devonian
Cranaena romingeri species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : Cranaena : *Cranaena romingeri*	388.1 - 382.7 Ma Devonian
Strophodonta (Strophodonta) subgenus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophodonta (Strophodonta)*	388.1 - 372.2 Ma Devonian

Fossil Localities

Click to show 4 fossil localities

USA

Iowa
- Scott County
  - Devonian🐚 Brachiopods of Lower CoralvilleFarm
  - Devonian🐚 Buffalo Quarry
  - Devonian🐚 Dodge's Ravino
  - Devonian🐚 Quarry

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Scott_County,_Iowa
Wikidata ID:	Q485474
GeoNames ID:	4875785

Localities in this Region

USA

Iowa
- Scott County
  - ⭔Buffalo
    - LaFarge Quarry (Buffalo Quarry)
    - Linwood Mine
  - Princeton

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Illinois BasinBasin
Mazatzal DomainDomain
Mazatzal 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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