Brownstown Marl
The Brownstown Marl is a geologic formation in Arkansas. It preserves fossils dating back to the Cretaceous period.
| Brownstown Marl | |
|---|---|
| Stratigraphic range: Cretaceous | |
 Annona Chalk over Brownstown Marl in Arkansas | |
| Type | Sedimentary |
| Sub-units | Austin Group |
| Underlies | Ozan Formation |
| Overlies | Tokio Formation |
| Location | |
| Region | Arkansas |
| Country | United States |
| Type section | |
| Named for | Brownstown, Sevier County, Arkansas |
| Named by | Robert Thomas Hill, 1888[1] |
Annona Chalk overlying Brownstown Marl at what is now called White Cliffs Natural Area, with the Little River in the foreground, Howard County, AR (c. 1910)
References
- Hill, R. T., Arkansas Geological Survey Annual Report 1888 vol. 2, pp. 72, 86-87, 188
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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