Lamar Limestone
Toe of slope, about 8 km basinward
of the platform edge in about 500 m of water.
Road cut on Hwy 62/180, TX
(Photos taken by M. Vanden Berg)
Thin limestone beds
The reflief seen reflects the actual depositional relief
of this system.
Soft-sediment deformation
Chert nodules in the Lamar Limestone, McKittrick Canyon.
Sponge spicules are the silica source.
Last updated 9/10/01