Texas Rocks!: A Guide to Geologic Sites in the Lone Star State

Unearth the secrets of Texas's billion—year history with this captivating guide to 80 easily accessible geologic sites. With geology as diverse as the state, the sites include dinosaur tracks embedded in limestone, thick lava flows cut by vertical columns, sand dunes composed entirely of gypsum, and blue quartz crystals sparkling in llanite, an unusual rock found only in the Llano region. Beautiful color photographs complement the engaging discussion, and detailed maps guide you to sites hi...