The East 1. This gently sloping to nearly flat region stretches between the Appalachians and the Atlantic Ocean from southern New England to Florida, then extends west along the Gulf Coast into Texas and south into Mexico.
Most fossils are of marine animals.
A series of basins formed during the Triassic and Jurassic periods along the Atlantic coast are famed for fossils of dinosaurs and other Mesozoic creatures. The Connecticut Valley is a famous example. Great oil reserves are found in this region in Texas and Louisiana. Appalachians This ancient mountain chain extends from northern Alabama and Georgia north through the Carolinas, Tennessee, Kentucky, West Virginia, Virginia, Maryland, and Pennsylvania, merging with other ancient mountains in New York, New England and beyond. Fossils of ancient marine life and forests include vast limestone beds and coal deposits.