Another trip were we explored the geological history of Eastern Maryland, hitting two sites.
The first stop was the Jugbay Wetlands Sanctuary
in Anne Arundel County MD along the Patuxent River. Along more than seven miles of trails, students explored the Geology and natural history of the region. Students confronted examples of the Patuxent's estuarine marshes and tidal flats, mud and reeds that will eventually become part of the rock record.
After lunch, we proceeded to the municipal beach south of Chesapeake Beach MD. This beach marks the northernmost extent of the Calvert Cliffs, renown for their richness in Miocene Epoch fossils, especially shark teeth. We spent the remainder of the afternoon collecting fossils and discussing how geologists use the rocks of the Calvert Cliffs to infer what the environment in which they formed must have been like. Finally, students noted the geometry of the sand and shells of the beach, itself, and speculated about its future in the rock record.