Hume shale member of Perrysburg formation. Name applied to about 70 feet of predominantly black, brown, and dark-gray shale exposed above Canaseraga sandstone member in stream and along banks of Wiscoy Creek at Mills Mills. Member rests on siltstone of upper part of Canaseraga along Wiscoy Creek and grades laterally eastward into siltstone of Canaseraga in area between Mills Mills and Dalton. In Genesee River Valley, overlain by Caneadea member. Age is Late Devonian.
Type locality: at Mills Mills, on Wiscoy Creek, Hume Twp., Allegheny Co., NY.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1836-1837).
Pg. 10 (fig. 1), 16. [Hume shale member] reallocated to member status in Canadaway formation. [Age is Late Devonian.]
Source: US geologic names lexicon (USGS Bull. 1200, p. 1836-1837).
Pg. 15, 17, 18. In Wellsville area, term Perrysburg formation not applied. Hume shale considered formation in Canadaway group.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1836-1837).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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