Austin Chalk in central Dallas County. Taylor Marl in eastern Dallas County. These features resulted in the Arbuckle Mountains of Southern Oklahoma. The Arbuckle Mountains of Southern Oklahoma. Numbers refer to field trip sites.
Colors represent different rock outcrops.
Virtual Field Trip. Taylor Marl in eastern Dallas County. Austin Chalk in central Dallas County. Eagle Ford Shale in western Dallas County. Woodbine Sandstone on the Tarrant County border.