Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Millerite	2.CC.20	NiS
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Honessite	7.DD.35	(Ni_1-xFe³⁺_x)(OH)₂[SO₄]_x/2 · nH₂O
Unclassified
ⓘ	'Limonite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Calcite	CaCO₃
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Quartz	SiO₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
S	ⓘ Marcasite	FeS₂
S	ⓘ Millerite	NiS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Pyrite	FeS₂
Ni	Nickel
Ni	ⓘ Honessite	(Ni_1-xFe_x³⁺)(OH)₂[SO₄]_x/2 · nH₂O
Ni	ⓘ Millerite	NiS
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS

Fossils

There are 4 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

343 Ma (Carboniferous)

Oldest Fossil Listed

461 Ma (Middle Ordovician)

Stratigraphic Units

Unit	No. Occurrences	Age
Keokuk Limestone	1	345.3 - 330.9 Ma (Carboniferous)
Kimmswick limestone	2	460.9 - 449.5 Ma (Ordovician)
Decorah - Spechts Ferry	68	460.9 - 449.5 Ma (Ordovician)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
👁 Image Helcionopsis genus	Animalia : Mollusca : Tergomya : Tryblidiida : Tryblidiidae : *Helcionopsis*	460.9 - 449.5 Ma Ordovician
👁 Image Pterotheca genus	Animalia : Mollusca : Gastropoda : Pterothecidae : *Pterotheca*	460.9 - 449.5 Ma Ordovician
👁 Image Archinacella genus	Animalia : Mollusca : Tergomya : Archinacellida : Archinacellidae : *Archinacella*	460.9 - 449.5 Ma Ordovician
👁 Image Cyrtoceras genus	Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : *Cyrtoceras*	460.9 - 449.5 Ma Ordovician
👁 Image Ctenodonta genus	Animalia : Mollusca : Bivalvia : Solemyida : Ctenodontidae : *Ctenodonta*	460.9 - 449.5 Ma Ordovician
👁 Image Cyrtodonta genus	Animalia : Mollusca : Bivalvia : Cyrtodontidae : *Cyrtodonta*	460.9 - 449.5 Ma Ordovician
👁 Image Cymatonota genus	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : *Cymatonota*	460.9 - 449.5 Ma Ordovician
👁 Image Goniophora genus	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Goniophora*	460.9 - 449.5 Ma Ordovician
👁 Image Modiolodon genus	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : *Modiolodon*	460.9 - 449.5 Ma Ordovician
👁 Image Modiolopsis genus	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : *Modiolopsis*	460.9 - 449.5 Ma Ordovician
👁 Image Whiteavesia genus	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Whiteavesia*	460.9 - 449.5 Ma Ordovician
👁 Image Rhytimya genus	Animalia : Mollusca : Bivalvia : Pholadomyidae : *Rhytimya*	460.9 - 449.5 Ma Ordovician
👁 Image Ptychopyge genus	Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : *Ptychopyge*	460.9 - 449.5 Ma Ordovician
👁 Image Primitia genus	Animalia : Arthropoda : Ostracoda : Palaeocopida : Primitiidae : *Primitia*	460.9 - 449.5 Ma Ordovician
👁 Image Lingula genus	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : *Lingula*	460.9 - 449.5 Ma Ordovician
👁 Image Macrocrinus genus	Animalia : Echinodermata : Crinoidea : Batocrinidae : *Macrocrinus*	345.3 - 342.8 Ma Carboniferous
👁 Image Paupospira oweni species	Animalia : Mollusca : Gastropoda : Lophospiridae : Paupospira : *Paupospira oweni*	460.9 - 449.5 Ma Ordovician
👁 Image Lophospira perangulata species	Animalia : Mollusca : Gastropoda : Lophospiridae : Lophospira : *Lophospira perangulata*	460.9 - 449.5 Ma Ordovician
👁 Image Lophospira obliqua species	Animalia : Mollusca : Gastropoda : Lophospiridae : Lophospira : *Lophospira obliqua*	460.9 - 449.5 Ma Ordovician
👁 Image Eunema concinnula species	Animalia : Mollusca : Gastropoda : Lophospiridae : Eunema : *Eunema concinnula*	460.9 - 449.5 Ma Ordovician
👁 Image Cyrtostropha salteri species	Animalia : Mollusca : Gastropoda : Murchisoniina : Murchisoniidae : Cyrtostropha : *Cyrtostropha salteri*	460.9 - 449.5 Ma Ordovician
👁 Image Hormotoma gracilis species	Animalia : Mollusca : Gastropoda : Murchisoniina : Hormotomidae : Hormotoma : *Hormotoma gracilis*	460.9 - 449.5 Ma Ordovician
👁 Image Sphenosphaera capax species	Animalia : Mollusca : Gastropoda : Bellerophontida : Bellerophontidae : Sphenosphaera : *Sphenosphaera capax*	460.9 - 449.5 Ma Ordovician
👁 Image Bucania halli species	Animalia : Mollusca : Gastropoda : Cycloneritida : Proserpinidae : Bucania : *Bucania halli*	460.9 - 449.5 Ma Ordovician
👁 Image Carinaropsis minima species	Animalia : Mollusca : Gastropoda : Pterothecidae : Carinaropsis : *Carinaropsis minima*	460.9 - 449.5 Ma Ordovician
👁 Image Archinacella patelliformis species	Animalia : Mollusca : Tergomya : Archinacellida : Archinacellidae : Archinacella : *Archinacella patelliformis*	460.9 - 449.5 Ma Ordovician
👁 Image Phragmolites fimbriata species	Animalia : Mollusca : Gastropoda : Bellerophontida : Bucaniidae : Phragmolites : *Phragmolites fimbriata*	460.9 - 449.5 Ma Ordovician
👁 Image Cyrtolites retrorsus species	Animalia : Mollusca : Tergomya : Cyrtonellida : Cyrtolitidae : Cyrtolites : *Cyrtolites retrorsus*	460.9 - 449.5 Ma Ordovician
👁 Image Pterotheca expansa species	Animalia : Mollusca : Gastropoda : Bellerophontida : Pterothecidae : Pterotheca : *Pterotheca expansa*	460.9 - 449.5 Ma Ordovician
👁 Image Helicotoma tennesseensis species	Animalia : Mollusca : Gastropoda : Helicotomidae : Helicotoma : *Helicotoma tennesseensis*	460.9 - 449.5 Ma Ordovician
👁 Image Holopea insignis species	Animalia : Mollusca : Gastropoda : Holopeidae : Holopea : *Holopea insignis*	460.9 - 449.5 Ma Ordovician
👁 Image Carinaropsis cymbula species	Animalia : Mollusca : Gastropoda : Bellerophontida : Pterothecidae : Carinaropsis : *Carinaropsis cymbula*	460.9 - 449.5 Ma Ordovician
👁 Image Eotomaria dryope species	Animalia : Mollusca : Gastropoda : Murchisoniina : Eotomariidae : Eotomaria : *Eotomaria dryope*	460.9 - 449.5 Ma Ordovician
👁 Image Liospira progne species	Animalia : Mollusca : Gastropoda : Murchisoniina : Eotomariidae : Liospira : *Liospira progne*	460.9 - 449.5 Ma Ordovician
👁 Image Technophorus bellistriatus species	Animalia : Mollusca : Rostroconchia : Ribeirioida : Technophoridae : Technophorus : *Technophorus bellistriatus*	460.9 - 449.5 Ma Ordovician
👁 Image Liospira micula species	Animalia : Mollusca : Gastropoda : Murchisoniina : Eotomariidae : Liospira : *Liospira micula*	460.9 - 449.5 Ma Ordovician
👁 Image Cyclonema textilis species	Animalia : Mollusca : Gastropoda : Euomphalina : Platyceratidae : Cyclonema : *Cyclonema textilis*	460.9 - 449.5 Ma Ordovician
👁 Image Laphamoceras scofieldi species	Animalia : Mollusca : Cephalopoda : Oncoceratidae : Laphamoceras : *Laphamoceras scofieldi*	460.9 - 449.5 Ma Ordovician
👁 Image Dalmanella testudinaria species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Dalmanella : *Dalmanella testudinaria*	460.9 - 449.5 Ma Ordovician
👁 Image Sphenolium genus	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Sphenolium*	460.9 - 449.5 Ma Ordovician
👁 Image Parallelodus obliquus species	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : Parallelodus : *Parallelodus obliquus*	460.9 - 449.5 Ma Ordovician
👁 Image Ctenodonta nasuta species	Animalia : Mollusca : Bivalvia : Solemyida : Ctenodontidae : Ctenodonta : *Ctenodonta nasuta*	460.9 - 449.5 Ma Ordovician
👁 Image Hindia genus	Animalia : Porifera : Demospongea : Streptosclerophorida : Hindiidae : *Hindia*	460.9 - 449.5 Ma Ordovician
Cyrtocerina kimmswickense species	Cyrtocerinida : Cyrtocerinidae : Cyrtocerina : *Cyrtocerina kimmswickense*	460.9 - 449.5 Ma Ordovician
Cyrtocerina foerstei species	Cyrtocerinida : Cyrtocerinidae : Cyrtocerina : *Cyrtocerina foerstei*	460.9 - 449.5 Ma Ordovician
👁 Image Ceraurus pleurexanthemus species	Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : Ceraurus : *Ceraurus pleurexanthemus*	460.9 - 449.5 Ma Ordovician
👁 Image Isorthoceras sociale species	Animalia : Mollusca : Cephalopoda : Orthocerida : Proteoceratidae : Isorthoceras : *Isorthoceras sociale*	460.9 - 449.5 Ma Ordovician
👁 Image Pionodema subaequata species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Draboviidae : Pionodema : *Pionodema subaequata*	460.9 - 449.5 Ma Ordovician
👁 Image Hesperorthis tricenaria species	Animalia : Brachiopoda : Rhynchonellata : Orthida : Hesperorthidae : Hesperorthis : *Hesperorthis tricenaria*	460.9 - 449.5 Ma Ordovician
👁 Image Streptelasma corniculum species	Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Streptelasma : *Streptelasma corniculum*	460.9 - 449.5 Ma Ordovician
👁 Image Manespira nicolleti species	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Protozygidae : Manespira : *Manespira nicolleti*	460.9 - 449.5 Ma Ordovician
👁 Image Anazyga recurvirostra species	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Anazygidae : Anazyga : *Anazyga recurvirostra*	460.9 - 449.5 Ma Ordovician
👁 Image Isotelus iowensis species	Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Isotelus : *Isotelus iowensis*	460.9 - 449.5 Ma Ordovician
👁 Image Bathyurus (Raymondites) spiniger species	Animalia : Arthropoda : Trilobita : Proetida : Bathyuridae : Bathyurus : *Bathyurus (Raymondites) spiniger*	460.9 - 449.5 Ma Ordovician
👁 Image Sceptaspis lincolnensis species	Animalia : Arthropoda : Trilobita : Phacopida : Pterygometopidae : Sceptaspis : *Sceptaspis lincolnensis*	460.9 - 449.5 Ma Ordovician
👁 Image Spyroceras bilineatum species	Animalia : Mollusca : Cephalopoda : Pseudorthocerida : Spyroceratidae : Spyroceras : *Spyroceras bilineatum*	460.9 - 449.5 Ma Ordovician
👁 Image Lichenaria typa species	Animalia : Cnidaria : Anthozoa : Lichenariidae : Lichenaria : *Lichenaria typa*	460.9 - 449.5 Ma Ordovician
👁 Image Cataschisma typa species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Gosseletinidae : Cataschisma : *Cataschisma typa*	460.9 - 449.5 Ma Ordovician
👁 Image Helicotoma missouriensis species	Animalia : Mollusca : Gastropoda : Helicotomidae : Helicotoma : *Helicotoma missouriensis*	460.9 - 449.5 Ma Ordovician
👁 Image Bumastus trentonensis species	Animalia : Arthropoda : Trilobita : Corynexochida : Illaenidae : Bumastus : *Bumastus trentonensis*	460.9 - 449.5 Ma Ordovician
👁 Image Eomonorachus intermedius species	Animalia : Arthropoda : Trilobita : Phacopida : Pterygometopidae : Eomonorachus : *Eomonorachus intermedius*	460.9 - 449.5 Ma Ordovician
👁 Image Cataschisma latiangularis species	Animalia : Mollusca : Gastropoda : Murchisoniina : Gosseletinidae : Cataschisma : *Cataschisma latiangularis*	460.9 - 449.5 Ma Ordovician
👁 Image Ctenodonta auburnensis species	Animalia : Mollusca : Bivalvia : Solemyida : Ctenodontidae : Ctenodonta : *Ctenodonta auburnensis*	460.9 - 449.5 Ma Ordovician
👁 Image Strophomena auburnensis species	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophomenidae : Strophomena : *Strophomena auburnensis*	460.9 - 449.5 Ma Ordovician

Fossil Localities

Click to show 4 fossil localities

USA

Missouri
- Lincoln County
  - Ordovician🐚 1/4 mi north of New Hope
  - Ordovician🐚 Pratt's quarry
  - Ordovician🐚 Residuary Auburn Chert Beds
  - Carboniferous🐚 Troy

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Lincoln_County,_Missouri
Wikidata ID:	Q484582
GeoNames ID:	4395330

Localities in this Region

USA

Missouri
- Lincoln County
  - Troy
    - Magruder Quarry & Plant (Watson Quarry Company)

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

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.

Quick NavTop Mineral List 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.
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: April 5, 2026 07:45:25 Page updated: August 16, 2025 03:56:59

Go to top of page

URL: https://www.mindat.org/loc-246877.html