Stratigraphy of the Chesapeake Group of Maryland and Virginia |
Contents
ABSTRACT | 1 |
Sunken Meadow Member of the Yorktown | 8 |
コ The Claremont Formation | 21 |
5 other sections not shown
Common terms and phrases
Anadara approximately Astarte ATLANTIC basin burrows Calvert County Calvert Fm Calvert Formation Camp Conoy Chesapeake Bay Chesapeake Group Chesapecten jeffersonius Choptank Formation Claremont Fm Claremont Formation clayey sand Coastal Plain Cobham Formation Cobham Wharf Conrad contact center line contact easternmost line Cove Point unit deposits diatomaceous Drumcliff Extent of outcrops Fairhaven Figure 15 Formation Definition Formation westernmost line glauconitic guide fossil Figure illustrated in Plate James River Little Cove Point localities shown lower contact center Marvacrassatella Maryland Marys County Marys Formation measured sections Miocene mollusks Moore House Member Morgarts Beach Member Numbers refer overlain Paleontologic character Pamunkey River Pecten phosphate Pliocene poorly sorted Range Zone Figure Rappahannock River reach sea level Richmond Rushmere Member sandy clay sediments shell beds shelly sand shown in Figure stratigraphic Sunken Meadow Member Surry County type area unconformably upper contact easternmost VIRGINIA NORTH CAROLINA Ward and Blackwelder WASHINGTON Potomac Yorktown Formation zone 19