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P a g e s f o r l o g g e d o u t e d i t o r s l e a r n m o r e ● C o n t r i b u t i o n s ● T a l k
( T o p )
1 S t r a t i g r a p h y
T o g g l e S t r a t i g r a p h y s u b s e c t i o n
1 . 1 K i n k a i d F o r m a t i o n
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1 . 9 T a r S p r i n g s F o r m a t i o n
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1 . 1 3 F r a i l e y s F o r m a t i o n
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1 . 1 5 C y p r e s s F o r m a t i o n
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P r i n t / e x p o r t
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A p p e a r a n c e
F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
( R e d i r e c t e d f r o m D e g o n i a F o r m a t i o n )
Geologic unit found in the Illinois Basin, U.S.
Pope Mega Group Type Geological group Sub-units
Grove Church Shale
Kincaid
Goreville Limestone
Cave Hill Shale
Negli Creek Limestone
Degonia Sandstone
Clore Limestone
Ford Station Limestone
Tygett Sandstone
Cora Limestone
Palestine Sandstone
Menard Limestone
Allard Limestone
Scottsburg Limestone
Walche Limestone
Waltersburg Formation
Vienna Limestone
Tar Springs Sandstone
Glen Dean Formation
Hardinsburg Formation
Haney Formation
Fraileys Formation
Beech Creek Formation
Cypress Formation
Ridenhower Formation
Reelsville Member
Sample Member
Beaver Bend Member
Bethel Formation
Downeys Bluff Formation
Yankeetown Formation
Renault Formation
Shellersville Member
Levias Member
Aux Vases Formation
Overlies Mammoth Cave Group Primary Sandstone, Limestone, Shale Region Illinois Basin Country United States of America
The Pope Mega Group is a geologic unit found in the Illinois Basin of southern Illinois , southwestern Indiana , and western Kentucky .[1] [2] In Indiana and Kentucky its equitant is the Buffalo Wallow Group . This unit grades from sandstones at its base into mix of limestones and sandstone and then a shale at its top.[3] [4]
Stratigraphy [ edit ]
Kinkaid Formation [ edit ]
Also known at the Kinkaid Limestone, this unit is made up of several smaller members. This unit ranges from 0' - 230 ' thick. The Grove Church Shale is at the top, followed by Members, Goreville Limestone, Cave Hill Shale, and Negli Creek Limestone.
Tobinsport Formation [ edit ]
A formation in Illinois containing 4 members that are linked to other formations in the Upper Pope Group. The Negli Creek Limestone of the Kinkaid formation to the west. Mt. Pleasant Sandstone, Bristow Sandstone, and Siberia Limestone. The Siberia is a thin tongue of the Menard formation.[5]
Degonia Formation [ edit ]
This sandstone unit is 0-150' thick.
Clore Formation [ edit ]
This unit is 0-150’ thick. Its units include the Ford Station Limestone, Tygett Sandstone and Cora Limestone Members.
Palestine Formation [ edit ]
This sandstone unit is 0-120' thick.
Menard Formation [ edit ]
The Menard Limestone is a geologic formation in the Illinois Basin of southern Illinois , southwestern Indiana , and western Kentucky .
The type section of both the Walche Limestone Member and the Scottsburg Limestone Member are exposures in Walche's Cut, a railway cutting on the Illinois Central Railroad .[6] [7] [8]
Waltersburg Formation [ edit ]
This formation is 0-100’ thick.
Vienna Formation [ edit ]
This limestone unit is 0-60' thick
Tar Springs Formation [ edit ]
This sandstone unit is 0-150' thick. The Tar Springs consists of interbedded sandstone and shale, creating closed reservoirs within the sand. For this reason it is the largest oil producing formation in Illinois. Estimated to have accounted for more than 60% of the oil production in the state.
Glen Dean Formation [ edit ]
The Glen Dean Formation is a geologic formation in Illinois , Indiana and Kentucky . It preserves fossils dating back to the Carboniferous period .
Hardinsburg Formation [ edit ]
The Hardinsburg Formation is a geologic formation in Illinois , Indiana and Kentucky . It preserves fossils dating back to the Carboniferous period .
Haney Formation [ edit ]
The Haney Formation is a geologic formation in Illinois , Indiana and Kentucky . It preserves fossils dating back to the Carboniferous period .
Fraileys Formation [ edit ]
The Fraileys Formation or Fraileys Shale is a geologic formation in Illinois . It preserves fossils dating back to the Carboniferous period .
Beech Creek Formation [ edit ]
The Beech Creek Formation is a geologic formation in Illinois , Indiana and Kentucky . It preserves fossils dating back to the Carboniferous period .
Cypress Formation [ edit ]
The Cypress Formation is a geologic formation in Illinois , Indiana and Kentucky . It preserves fossils dating back to the Carboniferous period .
Ridenhower Formation [ edit ]
The Ridenhower Formation is a geologic formation in Illinois . It preserves fossils dating back to the Carboniferous period . It includes the Reelsville Member, Sample Member and Beaver Bend Member.
Bethel Formation [ edit ]
The Bethel Formation is a geologic formation in Illinois , Indiana and Kentucky . It preserves fossils dating back to the Carboniferous period .
Energy Production [ edit ]
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(December 2023 )
References [ edit ]
^ Willman, H.B., Atherton, Elwood, Buschbach, T.C., Collinson, Charles, Frye, J.C., Hopkins, M.E., Lineback, J.A., and Simon, J.A., 1975, Handbook of Illinois stratigraphy : Illinois Geological Survey Bulletin , no. 95, 261 p.
^ Kolata, D.R. 2005, Bedrock Geology of Illinois: Champaign, Ill . U.S. Geological Survey (Report). Retrieved 16 December 2023 .
^ Askari, Zohreh; Lasemi, Yaghoob (16 December 2022). "Geological characterization and ROZ potential of the Tar Springs Sandstone" . U.S. Department of Energy Office of Scientific and Technical Information .
^ Gray, Henry H. (1978). Buffalo Wallow Group Upper Chesterian (Mississippian) of Southern Indiana (Report). Indiana Geological & Water Survey.
^ "Walche Limestone Member" . igws.indiana.edu .
^ Swann, David Henry (November 17, 1963). "Classification of Genevievian and Chesterian (late Mississippian) rocks of Illinois" . Report of Investigations No. 216 – via www.ideals.illinois.edu.
^ Droste, J. B., and Keller, S. J., 1995, Subsurface stratigraphy and distribution of oil fields of the Buffalo Wallow Group (Mississippian) in Indiana: Indiana Geological Survey Bulletin 63, 24 p.
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Pope_Mega_Group&oldid=1233318527#Degonia_Formation " C a t e g o r i e s : ● C a r b o n i f e r o u s U n i t e d S t a t e s ● C a r b o n i f e r o u s I l l i n o i s ● C a r b o n i f e r o u s I n d i a n a ● C a r b o n i f e r o u s K e n t u c k y H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s t o b e e x p a n d e d f r o m D e c e m b e r 2 0 2 3 ● A l l a r t i c l e s t o b e e x p a n d e d ● A r t i c l e s w i t h e m p t y s e c t i o n s f r o m D e c e m b e r 2 0 2 3 ● A l l a r t i c l e s w i t h e m p t y s e c t i o n s ● A r t i c l e s u s i n g s m a l l m e s s a g e b o x e s
● T h i s p a g e w a s l a s t e d i t e d o n 8 J u l y 2 0 2 4 , a t 1 3 : 0 4 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
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