Historical:South Haven Member: Difference between revisions
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Latest revision as of 05:34, 28 December 2016
Lithostratigraphy: Lake Michigan Formation >>South Haven Member
Chronostratigraphy: Cenozoic Erathem >>Quaternary System >>Holocene Series
Authors
John C. Frye and H. B. Willman
Name Origin
The South Haven Member of the Lake Michigan Formation (Lineback et al., 1970, p. 11) is named for South Haven, Ottawa County, Michigan.
Type Section
The type section is the interval from 219.3 cm to the base of core 143 (lat. 42°21.8' N, long. 78°10.8' W, at a water depth of 390 feet).
Stratigraphic Position
It is the lowest member of the formation. The member rests on the Wedron Formation, Equality Formation, or bedrock.
Description
It consists of reddish gray clay, generally less than 3.5 feet thick, on the east side of the lake.
References
LINEBACK, J. A., N. J. AYER, and D. L. GROSS, 1970, Studies of Lake Michigan bottom sediments- No. 3. Stratigraphy of unconsolidated sediments in the southern part of Lake Michigan: Illinois State Geological Survey Environmental Geology Notes 35, 35 p.
ISGS Codes
Stratigraphic Code | Geo Unit Designation |
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