- Usage in publication:
-
- Hensell Sand
- Modifications:
-
- Mapped 1:250k
- Dominant lithology:
-
- Limestone
- Sandstone
- AAPG geologic province:
-
- Kerr basin
- Ouachita folded belt
Summary:
Hensell Sand. Limestone and sandstone; upper half limestone, sandy, glauconitic, honeycombed-nodular; lower half mostly sandstone, fine-grained, argillaceous, calcareous, contains white, hard, siliceous geodes up to 8 inches in diameter, yellowish brown, fossils are EXOGYRA and oysters, some hard limestone contains large oysters. Thickness about 45 feet. Overlies Cow Creek Limestone; underlies Glen Rose Formation. Age is Early Cretaceous.
[Mapped in very limited areas along the Guadalupe River and its tributaries, in Kendall and Comal Cos., southern TX.]
Source: Publication.
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).