Lithostratigraphy: Potsdam Sandstone Megagroup >>Mt. Simon Sandstone >>Mayfield Member
Chronostratigraphy: Paleozoic Erathem >>Cambrian System >>Croixan Series >>Dresbachian Stage
Allostratigraphy: Sauk Sequence
Willman, H. B., Elwood Atherton, T. C. Buschbach, Charles Collinson, John C. Frye, M. E. Hopkins, Jerry A. Lineback, and Jack A. Simon, 1975, Handbook of Illinois Stratigraphy: Illinois State Geological Survey Bulletin 95, 261 p.
T. C. Buschbach
The Mayfield Member of the Mt. Simon Sandstone (Templeton, 1950, p. 155).
Named for Mayfield Township, De Kalb County.
The type section of the Mayfield Member of the Mt. Simon Sandstone is located 5 miles east of Mayfield Township, De Kalb County. It is the interval from 2495-2850 feet deep (sample set 1301) in the same boring as the Crane Member.
The Mayfield Member overlies the Lovell Member of the Mt. Simon Sandstone.
Extent and thickness
The Mayfield Member is 145-390 feet thick.
It is composed of interbedded very coarse-grained conglomeratic sandstone and finer grained nonconglomeratic sandstone.
Well log characteristics
Age and correlation
Environments of deposition
TEMPLETON, J. S., 1950, Mt. Simon Sandstone in northern Illinois: Illinois Academy of Science Transactions, v. 43, p. 151-159.
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