The Geologic Story of Palo Duro Canyon

by William Henry Matthews

*Reed, L. C., and Longnecker, O. M. (1932) The geology of Hemphill County, Texas: Univ. Texas Pub. 3231, 98 pp.

*Sellards, E. H., Adkins, W. S., and Plummer, F. B. (1933) The geology of Texas, Vol. I, Stratigraphy: Univ. Texas Bull. 3232 (August 22, 1932), 1007 pp.

West Texas State University Geological Society (1964) Palo Duro Field Trip Guidebook: West Texas State Univ. Geol. Soc., Canyon, 18 pp.

—— (1960) Geology of Palo Duro Canyon State Park and the Panhandle of Texas: West Texas State Univ. Geol. Soc., Guidebook for 1966 SASGS Annual Field Trip, April 15-17, 1966, 58 pp.

Smith, A. R. (1967) Caves of Palo Duro Canyon: The Texas Caver, Abilene, Texas, vol. 12, pp. 145-148.

GLOSSARY

[Abrasion]—erosion of [rock] material by friction of solid particles moved by water, ice, wind, or gravity.

[Absolute time]—[geologic time] measured in years. Compare with relative time.

[Amphibians]—cold-blooded four-footed animals which have gills in youth and lungs in maturity (e.g., frog).

[Anhydrite]—the [mineral] calcium sulfate, CaSO₄. See [Gypsum].