Muscatatuck Group

Muscatatuck Group
Stratigraphic range: Devonian
TypeGroup
Sub-units
Northern Indiana
Southern Indiana, Illinois and Kentucky
  • North Vernon Limestone
    • Beechwood Limestone
    • Silver Creek Limestone
    • Speed Member
  • Jeffersonville Limestone
    • Dutch Creek Sandstone Member
    • Geneva Dolomite Member
    • Vernon Fork Member
    • Fraunfelter
UnderliesNew Albany Shale and Antrim Shale in Northern Indiana
OverliesNew Harmony Group in Southern Indiana Wabash Formation (Salina Group) Elsewhere
Lithology
PrimaryDolomite,[Limestone]]
OtherSandstone Anhydrite Gypsum
Location
Region Indiana

 Illinois

 Kentucky
CountryUnited States
Type section
Named forIts many exposures along the Muscatatuck River
Named byShaver, 1974

The Muscatatuck Group is a Middle Devonian Aged unit found in Illinois, Indiana and Kentucky. It is characterized by being predominantly made up of Dolomite and limestone. [1]

  1. ^ Shaver, Robert (1974). "The Muscatatuck Group (New Middle Devonian Name) in Indiana". Department of Natural Resources Geologic Survey. 3.