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Paleontology of the “Ashley Phosphate Beds” of Charleston: Insights from Northbridge Park, Charleston, South Carolina

By
Robert W. Boessenecker
Robert W. Boessenecker
Department of Geology and Environmental Geosciences, College of Charleston, Charleston, South Carolina 29414, USA, and Mace Brown Museum of Natural History, College of Charleston, Charleston, South Carolina, 29414, USA
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Sarah J. Boessenecker
Sarah J. Boessenecker
Department of Geology and Environmental Geosciences, College of Charleston, Charleston, South Carolina 29414, USA; Mace Brown Museum of Natural History, College of Charleston, Charleston, South Carolina, 29414, USA; and School of Museum Studies, University of Leicester, Leicester LE1 7RF, UK
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Published:
March 21, 2019
Publication history
09 January 2019

ABSTRACT

A man-made deposit at Northbridge Park near Charleston, South Carolina, consists of phosphatic nodules, fossils, and mud dredged from the bottom of the Ashley River; nodules and fossils lay strewn across the banks of the river. This artificial deposit is likely representative of deposits mined extensively in the late nineteenth century and widely referred to as the “Ashley Phosphate Beds.” Many of the taxa discovered at Northbridge Park were historically reported from the phosphate beds, and include sharks, rays, bony fish, sea turtles, giant birds, whales, dolphins, sea cows, and land mammals. Some of these bear adhering matrix indicating origin from the Oligocene Ashley Formation. Others lack matrix but have short geochronologic ranges and are derived from the Ashley Formation, Lower Miocene Marks Head Formation, Lower Pliocene Goose Creek Limestone, and Pleistocene Wando Formation.

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GSA Special Papers

Field Excursions in the Carolinas: Guides for the 2019 GSA Southeastern Section Meeting

John Chadwick
John Chadwick
Department of Geology and Environmental Geosciences, College of Charleston, Charleston, South Carolina 29424, USA
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Steven C. Jaume’
Steven C. Jaume’
Department of Geology and Environmental Geosciences, College of Charleston, Charleston, South Carolina 29424, USA
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Geological Society of America
Volume
53
ISBN electronic:
9780813756530
Publication date:
March 21, 2019

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