Polished slab of reef facies from the Capitan Fm. showing a chambered
calcareous sponge as the
main framework organism, encrusted by Archaeolithoporella, Tubiphytes and marine cements.
Sample from Permian Reef Trail on north wall of McKittrick Canyon, Guadalupe
Mountains National Park, Culberson Co., Texas. Long axis of photo = ca. 6 cm.
© Peter A. Scholle, 1999