Historical:Mooseheart Member
Lithostratigraphy: Knox Dolomite Megagroup >>Ironton Sandstone >>Mooseheart Member
Chronostratigraphy: Paleozoic Erathem >>Cambrian System >>Croixan Series >>Franconian Stage
Allostratigraphy: Sauk Sequence
Author
T. C. Buschbach
Name Origin
The Mooseheart Member of the Ironton Sandstone (Buschbach, 1964, p. 37), the uppermost member, is named for a Kane County lake, Mooseheart Lake.
Type Section
The type section is located 2 miles northeast of Mooseheart Lake in Kane County and is at a depth of 1092-1120 feet in the same well as the Buelter type section.
Extent and Thickness
The Mooseheart Member is 20-60 feet thick.
Description
The Mooseheart Member consists of poorly sorted, medium- to coarse-grained dolomitic sandstone. Coarse grains of glauconite occur in the upper beds.
References
BUSCHBACH, T. C., 1964, Cambrian and Ordovician strata of northeastern Illinois: Illinois State Geological Survey Report of Investigations 218, 90 p.
ISGS Codes
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