Paleontology of the “Ashley Phosphate Beds” of Charleston: Insights from Northbridge Park, Charleston, South Carolina
Robert W. Boessenecker, Sarah J. Boessenecker, 2019. "Paleontology of the “Ashley Phosphate Beds” of Charleston: Insights from Northbridge Park, Charleston, South Carolina", Field Excursions in the Carolinas: Guides for the 2019 GSA Southeastern Section Meeting, John Chadwick, Steven C. Jaume’
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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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Field Excursions in the Carolinas: Guides for the 2019 GSA Southeastern Section Meeting
This guidebook provides detailed itineraries of three field trips associated with the 2019 GSA Southeastern Section Meeting in Charleston, South Carolina. The first chapter outlines the fossiliferous deposits near Charleston historically referred to as the “Ashley Phosphate Beds,” which include sharks, rays, sea turtles, whales, and other Oligocene to Pleistocene fossils. The second chapter explores how hydrology has shaped Charleston and how engineers, public officials, and citizens incorporate new technologies in design to increase community resiliency. The third chapter describes the variety of modern traces that can be observed in the coastal setting of Edisto Island near Charleston. These include burrows, tracks, borings, and other signs of terrestrial and marginal-marine invertebrates and vertebrates in sediments, shells, and wood.