Mayfield Member
Lithostratigraphy: Potsdam Sandstone Megagroup >>Mt. Simon Sandstone >>Mayfield Member
Chronostratigraphy: Paleozoic Erathem >>Cambrian System >>Croixan Series >>Dresbachian Stage
Allostratigraphy: Sauk Sequence
Primary source
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.
Contributing author(s)
T. C. Buschbach
Name
Original description
The Mayfield Member of the Mt. Simon Sandstone (Templeton, 1950, p. 155).
Derivation
Named for Mayfield Township, De Kalb County.
Other names
History/background
Type section
Type location
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.
Type author(s)
Type status
Reference section
Reference location
Reference author(s)
Reference status
Stratigraphic relationships
The Mayfield Member overlies the Lovell Member of the Mt. Simon Sandstone.
Extent and thickness
The Mayfield Member is 145-390 feet thick.
Lithology
It is composed of interbedded very coarse-grained conglomeratic sandstone and finer grained nonconglomeratic sandstone.
Core(s)
Photograph(s)
Contacts
Well log characteristics
Fossils
Age and correlation
Environments of deposition
Economic importance
Remarks
References
TEMPLETON, J. S., 1950, Mt. Simon Sandstone in northern Illinois: Illinois Academy of Science Transactions, v. 43, p. 151-159.
ISGS Codes
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