Middle Devonian of Southern Indiana

The Geneva dolomitic limestone of the northern portion of the southern Indiana Middle Devonian region, which formerly has been considered as either a lithologic facies of the Jeffersonville or Sellersburg limestones or both or a distinct formation older than the Jeffersonville, is shown by paleontol...

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Bibliographic Details
Published in:The Journal of geology 1937-04, Vol.45 (3), p.320-331
Main Authors: Sutton, D. G., Sutton, A. H.
Format: Article
Language:English
Subjects:
Fauna
Fossils
Geological facies
Geology
Hydraulics
Limestones
Lithology
Quarries
Rocks
Shales
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Description
Summary:The Geneva dolomitic limestone of the northern portion of the southern Indiana Middle Devonian region, which formerly has been considered as either a lithologic facies of the Jeffersonville or Sellersburg limestones or both or a distinct formation older than the Jeffersonville, is shown by paleontologic and stratigraphic evidence to be a lithologic facies of the Jeffersonville. Since the Geneva and Jeffersonville are variations of the same geologic formation, the former name, by the custom of priority, should be applied to all the Indiana Devonian of Onondaga age. A direct sea connection between the northern and southern Indiana areas during Sellersburg time is postulated, and a new member of the Sellersburg formation is named.
ISSN:0022-1376
1537-5269
DOI:10.1086/624529