What is the age of the surface bedrock of the catskills?

The surface bedrock of the Catskills is primarily composed of sedimentary rocks that date back to the Devonian period, approximately 385 to 360 million years ago. This geological formation is part of the Appalachian Mountains and includes various rock types such as shale, sandstone, and limestone. The age of these rocks reflects significant geological processes, including sedimentation and tectonic activity, that have shaped the region over millions of years.