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Alpena County, Michigan, USA i
Regional Level Types
Alpena County County
Michigan State
USA Country

Regional Level Types
Alpena County	County
Michigan	State
USA	Country

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Mudstone/clay sediments filled with fragments of fossils

Alpena, Alpena County, Michigan, USA

Paxton Quarry

Paxton Quarry, Paxton, Alpena County, Michigan, USA

View across the quarry

Rockport Quarry, Rockport, Alpena County, Michigan, USA

Mudstone/clay sediments filled with fragments of fossils

Alpena, Alpena County, Michigan, USA

Paxton Quarry

Paxton Quarry, Paxton, Alpena County, Michigan, USA

View across the quarry

Rockport Quarry, Rockport, Alpena County, Michigan, USA

Mudstone/clay sediments filled with fragments of fossils

Alpena, Alpena County, Michigan, USA

Paxton Quarry

Paxton Quarry, Paxton, Alpena County, Michigan, USA

Neighbouring regions:

Presque Isle County, Michigan, USA

Montmorency County, Michigan, USA

Oscoda County, Michigan, USA

Alcona County, Michigan, USA

Type:

County

Largest Settlements:

Place	Population
Alpena	10,175 (2017)
Ossineke	938 (2017)

Mindat Locality ID:

24816

Long-form identifier:

mindat:1:2:24816:2

GUID (UUID V4):

Other Languages:

View 36 more...

French:

comté d'Alpena, Michigan, États-Unis

German:

Alpena County, Michigan, Vereinigte Staaten

Italian:

contea di Alpena, Michigan, Stati Uniti d'America

Russian:

Алпина, Мичиган, Соединённые Штаты Америки

Simplified Chinese:

阿爾皮納縣, 密歇根州, 美国

Spanish:

Condado de Alpena, Míchigan, Estados Unidos

Albanian:

Alpena County, Michigan, Shtetet e Bashkuara të Amerikës

Arabic:

مقاطعة ألبينا, ميشيغان, الولايات المتحدة

Armenian:

Ալպենա շրջան, Միչիգան, Ամերիկայի Միացյալ Նահանգներ

Basque:

Alpena konderria , Michigan

Bavarian:

Alpena County, Michigan, Vaoanigte Stootn

Bishnupriya Manipuri:

আলপেনা কাউন্টি, মিশিগান, তিলপারাষ্ট্র

Bulgarian:

Алпина, Мичиган, Съединени американски щати

Cebuano:

Alpena County, Michigan

Czech:

Alpena County, Michigan, Spojené státy americké

Danish:

Alpena County, Michigan, USA

Dutch:

Alpena County, Michigan, Verenigde Staten

Farsi/Persian:

شهرستان آلپنا، میشیگان, میشیگان, ایالات متحده آمریکا

Georgian:

ალპინის ოლქი, მიჩიგანის შტატი, ამერიკის შეერთებული შტატები

Hebrew:

מחוז אלפינה, מישיגן, ארצות הברית

Hungarian:

Alpena megye, Michigan, Amerikai Egyesült Államok

Japanese:

アルピーナ郡, ミシガン州, アメリカ合衆国

Latin:

Alpena Comitatus, Michigania, Civitates Foederatae Americae

Low Saxon/Low German:

Alpena County, Michigan, USA

Min Dong Chinese:

Alpena Gông, Michigan

Minnan / Hokkien-Taiwanese:

Alpena Kūn

Norwegian:

Alpena County, Michigan, USA

Polish:

Hrabstwo Alpena, Michigan, Stany Zjednoczone

Portuguese:

Condado de Alpena, Michigan, Estados Unidos

Romanian:

Comitatul Alpena, Michigan, Statele Unite ale Americii

Sardinian:

contea de Alpena, Michigan, Istados Unidos de Amèrica

Scottish Gaelic:

Alpena County, Michigan, Na Stàitean Aonaichte

Serbian:

Округ Алпина, Мичиген, Сједињене Америчке Државе

Serbo-Croatian:

Alpena County, Michigan, Sjedinjene Američke Države

Swedish:

Alpena County, Michigan, USA

Traditional Chinese:

阿爾皮納縣, 密芝根州, 美國

Turkish:

Alpena, Michigan, Amerika Birleşik Devletleri

Ukrainian:

Алпена, Мічиган, Сполучені Штати Америки

Urdu:

الپینا کاؤنٹی، مشی گن, مشی گن, ریاستہائے متحدہ امریکا

Vietnamese:

Quận Alpena, Michigan, Chủng Quốc Hoa Kỳ

Waray:

Condado han Alpena, Michigan, Estados Unidos

Western Punjabi:

الپینا کاؤنٹی, مشیگن, 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.

ⓘ Aggregates

ⓘ Limestone

ⓘ Silica

Mineral List

Mineral list contains entries from the region specified including sub-localities

13 valid minerals.

Rock Types Recorded

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Limestone

Detailed Mineral List:

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

Locality: Alpena, Alpena County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ 'Anthraconite'

Locality: Squaw Bay, Alpena County, Michigan, USA

References:

ROCKS AND MINERALS OF MICHIGAN By O. F. Poindexter H. M. Martin S. G. Bergquist MICHIGAN DEPARTMENT OF NATURAL RESOURCES 1971, p 17

ⓘ Baryte

Formula: BaSO₄

Locality: LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA

References:

Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128p.108

ⓘ Calcite

Formula: CaCO₃

Localities:

Alpena County, Michigan, USA
Rockport Quarry, Rockport, Alpena County, Michigan, USA
Squaw Bay, Alpena County, Michigan, USA
LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA

ⓘ Celestine ?

Formula: SrSO₄

Locality: Rockport Quarry, Rockport, Alpena County, Michigan, USA

References:

RWMW Collection

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA

ⓘ Dolomite

Formula: CaMg(CO₃)₂

Localities:

Rockport Quarry, Rockport, Alpena County, Michigan, USA
Squaw Bay, Alpena County, Michigan, USA
LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA
Rockport, Alpena County, Michigan, USA

ⓘ Dolomite var. Iron-bearing Dolomite

Formula: Ca(Mg,Fe)(CO₃)₂

Locality: Squaw Bay, Alpena County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Halite

Formula: NaCl

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Marcasite

Formula: FeS₂

Localities:

Squaw Bay, Alpena County, Michigan, USA
LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA

ⓘ 'Petoskey Stone'

References:

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

ⓘ Pyrite

Formula: FeS₂

Localities:

LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA
Squaw Bay, Alpena County, Michigan, USA
Sulfur Island, Alpena County, Michigan, USA

ⓘ Quartz

Formula: SiO₂

Localities:

Squaw Bay, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA

ⓘ Siderite

Formula: FeCO₃

Locality: Alpena, Alpena County, Michigan, USA

References:

Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.

ⓘ Sphalerite

Formula: ZnS

Localities:

LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA
Paxton Quarry, Paxton, Alpena County, Michigan, USA

ⓘ Strontianite

Formula: SrCO₃

Locality: LaFarge Corporation Quarry (National Gypsum Company Quarry; Huron-Portland Cement Company Quarry), Alpena, Alpena County, Michigan, USA

References:

Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128p.108

List of minerals arranged by Strunz 10th Edition classification

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 3 - Halides
ⓘ	Halite	3.AA.20	NaCl
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	var. Iron-bearing Dolomite	5.AB.10	Ca(Mg,Fe)(CO₃)₂
ⓘ	Strontianite	5.AB.15	SrCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Celestine ?	7.AD.35	SrSO₄
Unclassified
ⓘ	'Anthraconite'	-
ⓘ	'Petoskey Stone'	-

List of minerals for each chemical element

C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Siderite	FeCO₃
C	ⓘ Strontianite	SrCO₃
C	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
O	Oxygen
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Celestine	SrSO₄
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Siderite	FeCO₃
O	ⓘ Strontianite	SrCO₃
O	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Na	Sodium
Na	ⓘ Halite	NaCl
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Si	Silicon
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Celestine	SrSO₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Marcasite	FeS₂
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
Cl	Chlorine
Cl	ⓘ Halite	NaCl
Ca	Calcium
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Fe	Iron
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Dolomite var. Iron-bearing Dolomite	Ca(Mg,Fe)(CO₃)₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Sr	Strontium
Sr	ⓘ Celestine	SrSO₄
Sr	ⓘ Strontianite	SrCO₃
Ba	Barium
Ba	ⓘ Baryte	BaSO₄

Fossils

There are 113 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

113

Youngest Fossil Listed

383 Ma (Late/Upper Devonian)

Oldest Fossil Listed

441 Ma (Silurian)

Stratigraphic Units

Click here to view 13 stratigraphic units.

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Striatopora genus	Animalia : Cnidaria : Anthozoa : Pachyporidae : *Striatopora*	387.7 - 382.7 Ma Devonian
Thamnopora genus	Animalia : Cnidaria : Anthozoa : Pachyporidae : *Thamnopora*	387.7 - 382.7 Ma Devonian
Hexagonaria genus	Animalia : Cnidaria : Anthozoa : Disphyllidae : *Hexagonaria*	393.3 - 387.7 Ma Devonian
Palaeoscurria genus	Animalia : Mollusca : Tergomya : Scenellidae : *Palaeoscurria*	387.7 - 382.7 Ma Devonian
Straparollus (Philoxene) subgenus	Animalia : Mollusca : Gastropoda : Euomphalina : Euomphalidae : Straparollus : *Straparollus (Philoxene)*	387.7 - 382.7 Ma Devonian
Naticopsis genus	Animalia : Mollusca : Gastropoda : Cycloneritida : Naticopsidae : *Naticopsis*	387.7 - 382.7 Ma Devonian
Nuculoidea genus	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : *Nuculoidea*	387.7 - 382.7 Ma Devonian
Grammysia genus	Animalia : Mollusca : Bivalvia : Grammysiidae : *Grammysia*	387.7 - 382.7 Ma Devonian
Orthonota genus	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : *Orthonota*	387.7 - 382.7 Ma Devonian
Sphenophragmus genus	Animalia : Brachiopoda : Rhynchonellata : Orthida : Draboviidae : *Sphenophragmus*	387.7 - 382.7 Ma Devonian
Chonetes genus	Animalia : Brachiopoda : Strophomenata : Productida : Chonetidae : *Chonetes*	387.7 - 382.7 Ma Devonian
Megastrophia genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Megastrophia*	387.7 - 382.7 Ma Devonian
Pholidostrophia genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Pholidostrophia*	387.7 - 382.7 Ma Devonian
Protoleptostrophia genus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Leptostrophiidae : *Protoleptostrophia*	387.7 - 382.7 Ma Devonian
Spinulicosta genus	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : *Spinulicosta*	387.7 - 382.7 Ma Devonian
Pentamerella genus	Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Clorindidae : *Pentamerella*	387.7 - 382.7 Ma Devonian
Camarotoechia genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Camarotoechiidae : *Camarotoechia*	387.7 - 382.7 Ma Devonian
Athyris genus	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Athyris*	387.7 - 382.7 Ma Devonian
Cyrtina genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Cyrtinidae : *Cyrtina*	387.7 - 382.7 Ma Devonian
Meristella genus	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : *Meristella*	387.7 - 382.7 Ma Devonian
Mucrospirifer genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Mucrospiriferidae : *Mucrospirifer*	387.7 - 382.7 Ma Devonian
Spinocyrtia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : *Spinocyrtia*	387.7 - 382.7 Ma Devonian
Atrypa genus	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Atrypa*	387.7 - 382.7 Ma Devonian
Cranaena genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : *Cranaena*	387.7 - 382.7 Ma Devonian
Cryptonella genus	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cryptonellidae : *Cryptonella*	387.7 - 382.7 Ma Devonian
Corocrinus genus	Animalia : Echinodermata : Crinoidea : *Corocrinus*	387.7 - 382.7 Ma Devonian
Gennaeocrinus genus	Animalia : Echinodermata : Crinoidea : Periechocrinidae : *Gennaeocrinus*	387.7 - 382.7 Ma Devonian
Oulodus genus	Animalia : Chordata : Hibbardellidae : *Oulodus*	440.8 - 438.5 Ma Silurian
Ozarkodina genus	Animalia : Chordata : Prioniodontidae : *Ozarkodina*	440.8 - 438.5 Ma Silurian
Panderodus genus	Animalia : Chordata : Distacodontidae : *Panderodus*	440.8 - 438.5 Ma Silurian
Petrochus mellaria species	Animalia : Mollusca : Gastropoda : Euomphalina : Pseudophoridae : Petrochus : *Petrochus mellaria*	387.7 - 382.7 Ma Devonian
Denayella bella species	Animalia : Mollusca : Gastropoda : Murchisoniina : Eotomariidae : Denayella : *Denayella bella*	387.7 - 382.7 Ma Devonian
Bellerophon newberryi species	Animalia : Mollusca : Gastropoda : Bellerophontidae : Bellerophon : *Bellerophon newberryi*	387.7 - 382.7 Ma Devonian
Dictyobembix bella species	Animalia : Mollusca : Gastropoda : Pleurotomariida : Gosseletinidae : Dictyobembix : *Dictyobembix bella*	387.7 - 382.7 Ma Devonian
Mastigospira ingens species	Animalia : Mollusca : Gastropoda : Euomphalidae : Mastigospira : *Mastigospira ingens*	393.3 - 387.7 Ma Devonian
Mastigospira intermedia species	Animalia : Mollusca : Gastropoda : Euomphalidae : Mastigospira : *Mastigospira intermedia*	393.3 - 387.7 Ma Devonian
Vladanella lirata species	Animalia : Mollusca : Gastropoda : Murchisoniina : Murchisoniidae : Vladanella : *Vladanella lirata*	387.7 - 382.7 Ma Devonian
Pseudomphalotrochus gibsoni species	Animalia : Mollusca : Gastropoda : Euomphalina : Omphalotrochidae : Pseudomphalotrochus : *Pseudomphalotrochus gibsoni*	393.3 - 387.7 Ma Devonian
Spinyplatyceras bartlettense species	Animalia : Mollusca : Gastropoda : Euomphalina : Platyceratidae : Spinyplatyceras : *Spinyplatyceras bartlettense*	387.7 - 382.7 Ma Devonian
Pseudomphalotrochus cottrelli species	Animalia : Mollusca : Gastropoda : Euomphalina : Omphalotrochidae : Pseudomphalotrochus : *Pseudomphalotrochus cottrelli*	393.3 - 387.7 Ma Devonian
Turbinilopsis anacarina species	Animalia : Mollusca : Gastropoda : Trochida : Anomphalidae : Turbinilopsis : *Turbinilopsis anacarina*	387.7 - 382.7 Ma Devonian
Strophomena (Strophodonta) subgenus	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophodontidae : *Strophomena (Strophodonta)*	387.7 - 382.7 Ma Devonian
Petrochus conica species	Animalia : Mollusca : Gastropoda : Euomphalina : Pseudophoridae : Petrochus : *Petrochus conica*	387.7 - 382.7 Ma Devonian
Euthyrhachis indianense species	Animalia : Mollusca : Gastropoda : Euomphalina : Platyceratidae : Euthyrhachis : *Euthyrhachis indianense*	387.7 - 382.7 Ma Devonian
Thamnopora magniventra species	Animalia : Cnidaria : Anthozoa : Pachyporidae : Thamnopora : *Thamnopora magniventra*	387.7 - 382.7 Ma Devonian
Icriodella deflecta species	Animalia : Chordata : Balognathidae : Icriodella : *Icriodella deflecta*	440.8 - 438.5 Ma Silurian
Rutkowskiella tumula species	Animalia : Porifera : Demospongea : Lithistida : Chiastoclonellidae : Rutkowskiella : *Rutkowskiella tumula*	387.7 - 382.7 Ma Devonian
Genuspira nodosa species	Animalia : Mollusca : Gastropoda : Murchisoniina : Gosseletinidae : Genuspira : *Genuspira nodosa*	387.7 - 382.7 Ma Devonian
Murchisonia (Murchisonia) subulata species	Animalia : Mollusca : Gastropoda : Murchisoniina : Murchisoniidae : Murchisonia : *Murchisonia (Murchisonia) subulata*	387.7 - 382.7 Ma Devonian
Orthonychia variablis species	Animalia : Mollusca : Gastropoda : Cyrtoneritimorpha : Orthonychiidae : Orthonychia : *Orthonychia variablis*	387.7 - 382.7 Ma Devonian
Rutkowskicrinus patriciae species	Animalia : Echinodermata : Crinoidea : Rutkowskicrinidae : Rutkowskicrinus : *Rutkowskicrinus patriciae*	387.7 - 382.7 Ma Devonian
Rutkowskicrinus collieri species	Animalia : Echinodermata : Crinoidea : Rutkowskicrinidae : Rutkowskicrinus : *Rutkowskicrinus collieri*	387.7 - 382.7 Ma Devonian
Callixylon genus	Plantae : Aneurophytophyta : Archaeopteridopsida : Archaeopteridales : Archaeopteridaceae : *Callixylon*	393.3 - 382.7 Ma Devonian
Orthonota undulata species	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : Orthonota : *Orthonota undulata*	387.7 - 382.7 Ma Devonian
Polygnathus varcus species	Animalia : Chordata : Polygnathidae : Polygnathus : *Polygnathus varcus*	387.7 - 382.7 Ma Devonian
Icriodus latericrescens species	Animalia : Chordata : Icriodontidae : Icriodus : *Icriodus latericrescens*	387.7 - 382.7 Ma Devonian
Truncalosia gibbosa species	Animalia : Brachiopoda : Strophomenata : Productida : Araksalosiidae : Truncalosia : *Truncalosia gibbosa*	387.7 - 382.7 Ma Devonian
Floweria lirella species	Animalia : Brachiopoda : Strophomenata : Orthotetida : Areostrophiidae : Floweria : *Floweria lirella*	387.7 - 382.7 Ma Devonian
Spinocyrtia granulosa species	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Spinocyrtiidae : Spinocyrtia : *Spinocyrtia granulosa*	387.7 - 382.7 Ma Devonian
Arcyzona apobathrota species	Animalia : Arthropoda : Ostracoda : Palaeocopida : Arcyzonidae : Arcyzona : *Arcyzona apobathrota*	393.3 - 387.7 Ma Devonian
Cranaena lincklaeni species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : Cranaena : *Cranaena lincklaeni*	387.7 - 382.7 Ma Devonian
Cranaena romingeri species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Cranaenidae : Cranaena : *Cranaena romingeri*	393.3 - 382.7 Ma Devonian
Distomodus kentuckyensis species	Animalia : Chordata : Distomodus : *Distomodus kentuckyensis*	440.8 - 438.5 Ma Silurian
Kockelella manitoulinensis species	Animalia : Chordata : Conodonta : Ozarkodinida : Kockelellidae : Kockelella : *Kockelella manitoulinensis*	440.8 - 438.5 Ma Silurian

Fossil Localities

Click to show 11 fossil localities

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Alpena_County,_Michigan
Wikidata ID:	Q486293
GeoNames ID:	4984076

Localities in this Region

USA

Michigan
- Alpena County

USA

Michigan
- Alpena County
  - Paxton
    - Paxton Quarry
  - ⭔Rockport
    - Rockport Quarry
  - Roleau sand pits
  - Squaw Bay
  - Sulfur Island

Other Regions, Features and Areas that Intersect

North AmericaContinent

North America PlateTectonic Plate

Mazatzal TerraneVolcanic Arc
Michigan BasinBasin
Mid-continent DomainDomain
Superior DomainDomain

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Alpena County, Michigan, USAiRegional Level TypesAlpena CountyCounty MichiganState USACountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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