Marlbrook Marl information

Marlbrook Marl
Marlbrook Marl
Stratigraphic range: Cretaceous
Type	Formation
Underlies	Saratoga Formation
Overlies	Annona Chalk
Thickness	50 to 220 feet
Location
Region	Arkansas
Country	United States
Type section
Named by	Robert Thomas Hill

The Marlbrook Marl is a geologic formation in Arkansas.^[1] It preserves fossils dating back to the Cretaceous period.

^ ^a ^b McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 27. Archived from the original (PDF) on 2016-12-21. Retrieved 2018-01-12.
^ Hill, R.T. (1888). "Arkansas Geological Survey Annual Report for 1888". 2: 72, 84–86. {{cite journal}}: Cite journal requires |journal= (help)

and 9 Related for: Marlbrook Marl information