Arkadelphia Marl
Appearance
Arkadelphia Marl | |
---|---|
Stratigraphic range: Late Cretaceous | |
Type | Formation |
Underlies | Midway Group |
Overlies | Nacatoch Formation |
Thickness | 120 to 160 feet[1] |
Location | |
Region | Arkansas |
Country | United States |
Type section | |
Named for | Arkadelphia, Clark County, Arkansas[2] |
Named by | Robert Thomas Hill |
The Arkadelphia Marl is a geologic formation in Arkansas in Clark, Nevada, and Hempstead counties.[3][4] It preserves fossils dating back to the Cretaceous period.
Paleofauna
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See also
References
- ^ McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 31. Archived from the original (PDF) on 2016-12-21. Retrieved 2018-01-12.
- ^ Hill, R.T. (1888). "The Neozoic geology of southwestern Arkansas". Arkansas Geological Survey Annual Report 1888. 2: 33, 39, 53–56, 72, 188.
- ^ "ARKADELPHIA MARL/FORMATION". Archived from the original on 2016-08-19. Retrieved 2016-07-31.
- ^ "Arkadelphia Marl (ARKad;0)".
- ^ a b c d e f g h i j k l m n o p q Becker, Martin A.; Chamberlain Jr, John A.; Wolf, George E. (2006). "Chondrichthyans from the Arkadelphia Formation (Upper Creataceous: Upper Maasstrichtian) of Hot Spring County, Arkansas". Journal of Paleontology. 80 (4): 700–716.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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