The Arkadelphia Marl, also called the Arkadelphia Formation, is a geologic formation in Arkansas in Clark, Nevada, and Hempstead counties. It preserves...
12 KB (210 words) - 06:20, 21 July 2024
Sloan, J. C. (2023). "First Cretaceous telostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes...
117 KB (8,944 words) - 19:15, 5 July 2024
Formation Stratigraphic range: Late Cretaceous Type Formation Underlies Arkadelphia Marl Overlies Saratoga Formation Thickness 150 to 400 feet Location Region...
2 KB (103 words) - 12:26, 14 February 2024
Group or Formation Period Notes Annona Chalk Cretaceous Arkadelphia Marl Cretaceous Austin Chalk Cretaceous Batesville Sandstone Carboniferous Bloyd Shale...
3 KB (54 words) - 00:59, 3 July 2022
Christopher S.; Chamberlain, John A. (2010-07-14). "Osteichthyans from an Arkadelphia Formation–Midway Group lag deposit (Late Maastrichtian–Paleocene), Hot...
11 KB (991 words) - 04:11, 28 July 2024
are distinct from western streams. Settlements include (in Arkansas) Arkadelphia; Hope; Lockesburg; (in Oklahoma) Hugo; Bennington; and Caney. Protected...
73 KB (6,912 words) - 02:32, 31 July 2024