Mount Hope or AMPLEXOPORA SEPTOSA beds described as heavy, rather irregularly bedded limestone interbedded with shales. Thickness 50 ft. Overlies Upper Utica or DEKAYELLA ULRICHI beds; underlies Fairmount or DEKAYIA ASPERA beds. [Lower member of Fairview formation according to Wilmarth (1938, US geologic names lexicon, USGS Bull. 896); reference not given.] Age is Late Ordovician.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Pl. 1. Mount Hope formation of Maysville group. Shown on generalized stratigraphic column of Ordovician and Silurian rocks exposed in Jefferson and Switzerland Counties, [eastern] Indiana (J.J. Galloway, J.B. Patton, and T.G. Perry, compilers, April 1953). Consists of blue, soft, calcareous shale; contains a few thin beds of limestone. Thickness 25 to 45 feet. Is basal formation of Maysville group; underlies Fairmount formation. Overlies McMicken formation of Eden group. Fossils [listed]. Age is Late Ordovician (Cincinnatian).
Source: Publication; US geologic names lexicon (USGS Bull. 1200, p. 2631).
Mount Hope Shale Member of Fairview Formation not recognized in report area. Strata are here assigned to the Kope Formation and name Mount Hope is not used in KY.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Stratigraphic column illustrates continued use in southwestern OH of Mount Hope Member of Fairview Formation. Overlies McMicken Member of Latonia Formation and underlies Fairmount Member of Fairview. Age is Late Ordovician (Cincinnatian).
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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