Marlbrook Marl
Geologic formation in Arkansas, United States
From Wikipedia, the free encyclopedia
The Marlbrook Marl is a geologic formation in Arkansas.[1] It preserves fossils dating back to the Late Cretaceous period.
| Marlbrook Marl | |
|---|---|
| Stratigraphic range: Cretaceous | |
| Type | Formation |
| Underlies | Saratoga Formation |
| Overlies | Annona Chalk |
| Thickness | 50 to 220 feet [1] |
| Location | |
| Region | Arkansas |
| Country | United States |
| Type section | |
| Named by | Robert Thomas Hill[2] |
Paleofauna
Ostracods
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