Point Pleasant Formation

Geologic formation in Ohio, United States

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Point Pleasant Formation
Stratigraphic range: Middle Ordovician
Type	Formation
Underlies	Cincinnati Group and Kope Formation
Overlies	Lexington Limestone and Trenton Limestone
Location
Country	United States
Extent	Ohio
A structure map of the Point Pleasant formation

The Point Pleasant Formation is a geologic formation in Ohio. It dates back to the Middle Ordovician.

References

[edit ]

Generalized Stratigraphic Chart for Ohio ^{[place missing ]}

v
t
e

Chronostratigraphy of Ohio

Ph

Pz

P

Cisuralian	Dunkard Group Greene Formation Washington Formation

C

⁋

Gzhelian	Dunkard Group Waynesburg Formation Monongahela Group Uniontown Formation Pittsburgh Formation
Kasimovian	Conemaugh Group Casselman Formation Glenshaw Formation
Moscovian	Allegheny Group Pottsville Group

M

Viséan	Maxville Limestone
Tournaisian	Cuyahoga Formation Logan Formation Sunbury Shale
Coldwater Shale Rushville Shale

D

Upper

Famennian	Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale)
Frasnian	Burket Shale Olentangy Shale (upper)

West Falls Group: Angola Shale; Rhinestreet Shale

Middle

Givetian	Tully Formation Mahantango Formation Olentangy Shale (lower) Plum Brook Shale Prout Limestone Silica Formation
Eifelian	Amherstburg Dolomite Columbus Limestone Delaware Limestone Detroit River Group Hillsboro Sandstone Marcellus Shale

Lower

Emsian	Amherstburg Dolomite Detroit River Group Hillsboro Sandstone
Lochkovian	Holland Quarry Shale

S

Pridoli

Bertie Formation

Ludlow

Ludfordian	Salina Group
Gorstian	Salina Group Guelph Dolomite

Wenlock

Homerian	Lockport Group Gasport Dolomite Guelph Dolomite Goat Island Dolomite

Drowning Creek Formation

Manitoulin Dolomite

O

Upper	Arnheim Formation Cincinnati Group Drakes Formation Fairview Formation Grant Lake Formation Kope Formation Liberty Formation Miamitown Shale Queenston Shale Saluda Formation Trenton Limestone Waynesville Formation Whitewater Formation
Middle	Black River Group Lexington Limestone Point Pleasant Formation Trenton Limestone Wells Creek Formation