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Fossil collecting from the Middle Devonian Silica Formation, Paulding, Paulding County, northwest Ohio

By
Michael R. Sandy
Michael R. Sandy
Department of Geology, University of Dayton, 300 College Park, Dayton, Ohio 45469-2364, USA
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Dave Mielke
Dave Mielke
Botkins, Ohio, USA
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Alex Fabian
Alex Fabian
Temperance, Michigan, USA
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Published:
January 01, 2012

Abstract

This field trip will be to a working limestone quarry near Paulding, Paulding County, Ohio, a little over 100 mi (160 km) north of Dayton, Ohio. The quarry is working Middle Devonian strata: the Dundee Formation and overlying Silica Formation and Tenmile Creek Dolomite of the Traverse Group. The focus of the trip will be the fossiliferous Silica Formation (Silica shale)—collecting from blocks of rock from recent quarry blasting. At Paulding, the thickness of the Silica Formation is reduced compared to farther north in the vicinity of Sylvania, Ohio. The most common fossils are brachiopods, bryozoans, corals, and trilobites. The visit will be timed with a recent blasting of the quarry’s western rock face. Be aware that the terrain is uneven, and care must be exercised while fossil collecting. The quarry and adjacent cement plant at Paulding are operated by LaFarge.

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Contents

GSA Field Guide

On and around the Cincinnati Arch and Niagara Escarpment

Michael R. Sandy
Michael R. Sandy
Department of Geology University of Dayton Dayton, Ohio 45469-2364 USA
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Daniel Goldman
Daniel Goldman
Department of Geology University of Dayton Dayton, Ohio 45469-2364 USA
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Geological Society of America
Volume
27
ISBN electronic:
9780813756271
Publication date:
January 01, 2012

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