Ankazomihaboka Formation
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The Ankazomihaboka Formation is a Coniacian geologic formation in the Mahajanga Basin of northwestern Madagascar. The formation comprises claystones and sandstones deposited in a fluvial to lacustrine environment.[1] The formation is overlain by the Marovoay Beds and overlies basalt.[2]
Quick Facts Type, Underlies ...
Ankazomihaboka Formation | |
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Stratigraphic range: Coniacian ~89–86 Ma | |
Type | Geological formation |
Underlies | Marovoay Beds |
Overlies | Basalt |
Lithology | |
Primary | Claystone, sandstone |
Location | |
Coordinates | 16.2°S 46.7°E / -16.2; 46.7 |
Approximate paleocoordinates | 34.9°S 37.8°E / -34.9; 37.8 |
Region | Boeny, Mahajanga Province |
Country | Madagascar |
Extent | Mahajanga Basin |
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Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[3]