Hale Formation

Hale Formation
Hale Formation
Stratigraphic range: Pennsylvanian
	Error creating thumbnail: Outcrop of the Cane Hill Member of the Hale Formation
Type	Formation
Unit of	none
Sub-units	Cane Hill Member, Prairie Grove Member
Underlies	Bloyd Formation
Overlies	Pitkin Formation
Thickness	few feet to over 300 feet
Lithology
Primary	Limestone, Sandstone
Other	Conglomerate, Shale
Location
Region	Arkansas, Kansas
Country	United States
Type section
Named for	Hale Mountain, Washington County, Arkansas
Named by	J.A. Taff

The Hale Formation is a geologic formation in northern Arkansas that dates to the Morrowan Series of the early Pennsylvanian.^[3] The Hale Formation has two named members: the Cane Hill and the Prairie Grove Members. The lower member is the Cane Hill, a primarily sandstone and shale interval that unconformably overlies the Mississippian-age Pitkin Formation. The upper member, the Prairie Grove Member, is predominately limestone and conformably underlies the Bloyd Formation.

Nomenclature

Named by J. A. Taff in 1905, the Hale Formation was originally called the "Hale sandstone lentil" of the Morrow Formation after Hale Mountain in Washington County, Arkansas.^[2] In the same year, George I. Adams and E. O. Ulrich called it the "Hale sandstone member" of the Morrow Formation. In 1907, Albert Homer Purdue raised the rank to the Hale Formation of the Morrow Group,^[4] however, the Morrow Group was later abandoned as a stratigraphic unit in 1961.^[5] A stratotype was not designated by J. A. Taff and, as of 2017, no reference section has been designated.

The Cane Hill Member was named after the town of Cane Hill in Washington County, Arkansas in 1953 by Lloyd G. Henbest, who also named its upper member, the Prairie Grove Member, after the town of Prairie Grove, in Washington County, Arkansas.^[6] Henbest did not designate a stratotype for either of these members, and as of 2017, neither of them have been designated a reference section.

In the eastern parts of the Ozarks in Arkansas, the Hale Formation becomes undifferentiated with the overlying Bloyd Formation and is called the Witts Springs Formation.

Paleontology

Blastoids

Pentremites
P. angustus^[7]

P. rusticus^[7]

Brachiopods

Bryozoans

Fenestella morrowensis^[10]
F. venusta ^[10]
Fistulipora matheri ^[10]
Matheropora triseriata ^[10]
Polypora anastomosa ^[10]
P. constricta ^[10]

P. halensis ^[10]

P. magna ^[10]

P. purduei ^[10]

P. reversispina ^[10]

P. triseriata ^[10]

P. washingtonensis ^[10]
Phyllopora perforata ^[10]
Septopora crebripora ^[10]
Sulcoretepora brentwoodensis ^[10]
S. sinuomarginata ^[10]

Cephalopods

Arkanites relictus^[11]
Bactrites redactus ^[12]
B. gaitherensis^[12]
Baschkirites^[11]
B. librovitchi^[13]
Bisatoceras secundum ^[11]
Branneroceras branneri ^[12]
Cancelloceras huntsvillense ^[11]
Cymoceras cracens^[11]
Dinocycloceras prolixum^[11]
Endolobus ^[12]
Ephippioceras ferratum ^[12]
Glaphyrites morrowensis ^[12]
Gordonites matheri^[12]
G. filifer ^[12]
Homoceratoides cracens^[12]
Hudsonoceras moorei ^[12]
Knightoceras oxylobatum^[12]
K. palatum ^[12]

Paradimorphoceras^[12]
Proshumardites morrowanus^[12]
Pseudopronorites quinni ^[11]
P. arkansiensis^[12]
Pseudorthoceras knoxense ^[12]
Quinnites henbetsi^[11]
Q. textum ^[11]
Ramosites^[11]
Reticuloceras wainwrighti ^[11]
R. tiro ^[11]

R. semiretia ^[11]
Retites semiretia^[11]
Schartymites paynei^[11]
Syngastrioceras globosum^[11]
S. oblatum ^[11]
Verneuilites pygmaeus ^[12]
Wiedeyoceras matheri ^[13]

Conodonts

Gondolella
G. clarki^[14]
Idiognathodus
I. klapperi^[14]

I. sinuosus^[14]
Idiognathoides
I. convexus^[14]

I. sinuatus^[14]

Neognathodus
N. bassleri^[14]

N. symmetricus^[14]
Rhachistognathus
R. primus^[14]

Crinoids

Flora

Archaeolithophyllum
A. missouiense^[16]
Asphaltina
A. cordillerensis^[16]
Eflugelia^[16]
Girvanella^[17]
Stacheoides
S. spissa^[16]

Foraminifera

Asteroarchaediscus
A. rugosus^[17]^[16]
Biseriella^[16]
Climacammina
C. antiqua^[16]
Diplosphaerina
D. inaequalis^[16]
Earlandia^[17]
Endothyra^[17]^[16]
Eosigmoinina
E. rugosa^[17]
Eostaffella
E. pinguis^[16]
Hemiarchaediscus^[16]
Millerella
M. marblensis^[16]

M. pressa^[18]^[16]

Neoarchaediscus^[16]
Paleonubecularia^[16]
Paramillerella
P. pinuis^[18]
Planoendothyra^[16]
Plectogyra
P. tantala^[18]
Pseudoglomospira^[16]
Tetrataxis
T. maxima^[16]
Tubertina
T. plana^[16]
Turrispoiroides
T. multivolutus^[16]

Ostracods

Trace Fossils

Gastrochaenolites anauchen^[21]

Trypanites ^[21]

Incertae sedis

Clacisphaera
C. laevis^[16]
Proninella
P. strigosa^[16]

References

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^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v N. A. Heim. 2009. Stability of regional brachiopod diversity structure across the Mississippian/Pennsylvanian boundary. Paleobiology 35(3):393
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^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q W. L. Manger and W. B. Saunders. 1980. Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent. Paleontological Society Memoirs. 10:1-56
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. Unitest States Geological Survey Professional Paper. 460:1-322
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^ ^a ^b M. A. Wilson and T. J. Palmer. 1998. The earliest Gastrochaenolites (Early Pennsylvanian, Arkansas, USA): An Upper Paleozoic bivalve boring?. Journal of Paleontology. 72(4):769-772

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[paleobio-3] Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.

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[heim-8] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v N. A. Heim. 2009. Stability of regional brachiopod diversity structure across the Mississippian/Pennsylvanian boundary. Paleobiology 35(3):393

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[manger-11] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q W. L. Manger and W. B. Saunders. 1980. Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent. Paleontological Society Memoirs. 10:1-56

[gordon-12] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. Unitest States Geological Survey Professional Paper. 460:1-322

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[wilson-21] M. A. Wilson and T. J. Palmer. 1998. The earliest Gastrochaenolites (Early Pennsylvanian, Arkansas, USA): An Upper Paleozoic bivalve boring?. Journal of Paleontology. 72(4):769-772

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Hale Formation

Contents

Nomenclature

Paleontology

Blastoids

Brachiopods

Bryozoans

Cephalopods

Conodonts

Crinoids

Flora

Foraminifera

Ostracods

Trace Fossils

Incertae sedis

See also

References

Navigation menu

Hale Formation
Stratigraphic range: Pennsylvanian
Error creating thumbnail: Outcrop of the Cane Hill Member of the Hale Formation
Type	Formation
Unit of	none
Sub-units	Cane Hill Member, Prairie Grove Member
Underlies	Bloyd Formation
Overlies	Pitkin Formation
Thickness	few feet to over 300 feet^[1]
Lithology
Primary	Limestone, Sandstone
Other	Conglomerate, Shale
Location
Region	Arkansas, Kansas
Country	United States
Type section
Named for	Hale Mountain, Washington County, Arkansas
Named by	J.A. Taff^[2]

Hale Formation

Nomenclature

Paleontology

See also

References

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