Download or read book Upper Cenozoic Deposits of the Central Delmarva Peninsula, Maryland and Delaware written by James Patrick Owens and published by . This book was released on 1977 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Upper Tertiary deltaic and shallow-water marine deposits form the backbone of the peninsula. The oldest marine deposits of Pleistocene age reach a maximum altitude of 15 meters (50 feet) and have been dated radiometrically at about 100,000 years.