Hoing Sandstone Member
Lithostratigraphy: Hunton Limestone Megagroup >>Cedar Valley Limestone >>Hoing Sandstone Member
Chronostratigraphy: Paleozoic Erathem >>Devonian System >>Middle Devonian Series
Allostratigraphy: Kaskaskia 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)
Charles Collinson and Elwood Atherton
Name
Original description
Hoing Sandstone (Howard, 1961)
Derivation
Other names
It was called the Hoing sand, or the "Hoing" sandstone, until formally designated the Hoing Sandstone (Howard, 1961).
History/background
The Hoing Sandstone Member of the Cedar Valley Limestone (Hinds, 1914, p. 12), the basal member, was originally called the "Hoing oil sand" for its occurrence in a well on the Hoing Farm, near Colmar, McDonough County, the discovery well of the Colmar-Plymouth oil field (Blatchley, 1914).
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Stratigraphic relationships
Extent and thickness
The Hoing is patchy in western Illinois. Although it is commonly only a few inches thick, it reaches 30 feet thick in the Colmar-Plymouth oil field.
Lithology
Where well developed the Hoing Member is a clean, friable sandstone composed of well rounded, fine to medium quartz grains. However, where it directly overlies the Silurian dolomite it commonly contains residual debris from erosion of the dolomite. At the exposure at the Monterey School, Calhoun County (NE SW 11, 12S-2W), the Hoing Member is 0-2 feet thick and consists of sandstone, shale, and chert conglomerate overlying the deeply eroded Silurian dolomite (Collinson et al., 1954). Thin lenses of sand also occur locally higher in the Cedar Valley Limestone.
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Well log characteristics
Fossils
Age and correlation
Environments of deposition
Economic importance
Remarks
References
BLATCHLEY, R. S., 1914, Plymouth oil field: Illinois State Geological Survey Extract from Bulletin 23, p. 5-7.
COLLINSON, CHARLES, D. H. SWANN, and H. B. WILLMAN, 1954, Guide to the structure and Paleozoic stratigraphy along the Lincoln Fold in western Illinois: Illinois State Geological Survey Guidebook Series 3, 75 p.
HINDS, HENRY, 1914, Oil and gas in the Colchester-Macomb Quadrangles: Illinois State Geological Survey Extract Bulletin 23, p. 8-13.
HOWARD, R. H., 1961, Oil and gas in the Adams-Brown-Schuyler County area, Illinois: Illinois State Geological Survey Circular 325, 23 p.
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