Publication Year
1968
Series
Report of Investigations
Publisher
Abstract
Tuff, tuffaceous sand and clay, bentonite, and sandstone containing abundant volcanic rock detritus are present in Gulf Coast Tertiary rocks ranging in age from Eocene to Pliocene.
![Texas Mining Laws Pertaining to State Public Lands [as of 1968]](/files/styles/max_325x325/public/publication_covers/MM0033.jpg.webp?itok=38c3FfYG)
Publication Year
1968
Series
Miscellaneous Map
Publisher
Map Scale
1:63360
Publication Year
1968
Series
Geologic Quadrangle Map
Publisher
Publication Year
1968
Series
Symposia
Publisher
Publication Year
1968
Series
Geological Circular
Publisher
Abstract
Paleoenvironmental analysis of the alternating beds of the basal Cretaceous Glen Rose Formation in Central Texas indicates a cyclical alternation of subtidal through supratidal facies.