Ankazomihaboka Formation

Ankazomihaboka Formation
Stratigraphic range: Coniacian
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TypeGeological formation
UnderliesMarovoay Beds
OverliesBasalt
Lithology
PrimaryClaystone, sandstone
Location
Coordinates16°12′S 46°42′E / 16.2°S 46.7°E / -16.2; 46.7
Approximate paleocoordinates34°54′S 37°48′E / 34.9°S 37.8°E / -34.9; 37.8
RegionBoeny, Mahajanga Province
CountryMadagascar
ExtentMahajanga Basin
Location of the formation in Madagascar

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. The formation is overlain by the Marovoay Beds and overlies basalt.

Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.

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