Pg. 20. Allen limestone. Limestone, 10 to 25 feet thick. Underlies Vilas shale and overlying Concreto [Lane] shale. Age is Pennsylvanian.
[Named from Allen, Lyon Co., southeastern KS.]
Source: US geologic names lexicon (USGS Bull. 896, p. 34).
†Allen limestone member is same as Plattsburg limestone member of Lansing formation according to H. Hinds and F.C. Greene (1915) and N.D. Newell (1935). Discarded by the USGS in 1912. Discarded by R.C. Moore, 1936 (Kansas Geol. Survey Bull., no. 22).
[See "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, 2 sheets.]
Source: US geologic names lexicon (USGS Bull. 896, p. 34).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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