The mesa on the right shows a layer of limestone that is part of the Caprock which underlies the great plains in North America. Most of the soils in … [Read more...] about Descent from the Caprock to Permian Soils near Flomot, Motley Co. Texas
Environment
Whitetail Deer Crossing the Trinity River-Habitat Changes
These two photographs of whitetail deer crossing the Trinity River show how much land can change in two years of dry times. The scene in the first … [Read more...] about Whitetail Deer Crossing the Trinity River-Habitat Changes
Permian Redbeds with Alternating Gypsum Layers
This photograph was taken in Caprock Canyons State Park, north of Quitaque, Texas. It shows some 300 to 350 million year old sediments laid down … [Read more...] about Permian Redbeds with Alternating Gypsum Layers
Layered Sand in Stream Bank in Caprock Canyons State Park
This picture shows how layers of sand can be laid down by wind or water to produce strata that can be compressed over time to form the layers seen in … [Read more...] about Layered Sand in Stream Bank in Caprock Canyons State Park