Kingdom Sandstone Member

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Lithostratigraphy: Ottawa Limestone Megagroup >>Ancell Group >>Glenwood Formation >>Kingdom Sandstone Member
Chronostratigraphy: Paleozoic Erathem >>Ordovician System >>Champlainian Series >>Blackriveran Stage
Allostratigraphy: Tippecanoe 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)

H. B. Willman and T. C. Buschbach


Original description

The Kingdom Sandstone Member of the Glenwood Formation (Templeton and Willman, 1963, p. 49).


Named for Kingdom, Lee County.

Other names


Type section

Type location

The type section of the Kingdom Member is located 3 miles north of Kingdom, Lee County, in a ravine in Ogle County (NE SE NW 36, 23N-9E) where it is 7.9 feet thick.

Type author(s)

Type status

Reference section

Reference location

Reference author(s)

Reference status

Stratigraphic relationships

The Kingdom Sandstone Member is the basal member of the Glenwood Formation. In most of the outcrops the Kingdom Member has a sharp contact with the underlying Tonti Sandstone Member of the St. Peter. It thins northward and westward as it grades into the overlying Daysville Member, and farther north the Kingdom Member is equivalent to the lower part of the Nokomis Member.

Extent and thickness

The Kingdom Member commonly is 5-20 feet thick but has a maximum thickness of 40 feet.


The Kingdom Member has the poor sorting typical of the Glenwood texture.




Well log characteristics


Age and correlation

Environments of deposition

Economic importance



TEMPLETON, J. S., and H. B. WILLMAN, 1963, Champlainian Series (Middle Ordovician) in Illinois: Illinois State Geological Survey Bulletin 89, 260 p.

ISGS Codes

Stratigraphic Code Geo Unit Designation