Isalo II
Informal Triassic geological unit in Madagascar / From Wikipedia, the free encyclopedia
Isalo II, also known as the Makay Formation, is an informal Triassic geological unit in Madagascar.[1]
Quick Facts Type, Unit of ...
Isalo II Formation | |
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Stratigraphic range: Ladinian-Carnian | |
Type | Geological formation |
Unit of | Isalo Group |
Underlies | Isalo III Formation (unconformity) |
Overlies | Isalo I Formation |
Lithology | |
Primary | Sandstone, mudstone |
Location | |
Coordinates | 20.3°S 45.4°E / -20.3; 45.4 |
Approximate paleocoordinates | 23.1°S 24.7°E / -23.1; 24.7 |
Region | Mahajanga & Toliara Provinces |
Country | Madagascar |
Extent | Morondava Basin, Mahajanga Basin |
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It is described as "thick beds of mottled red or green clays associated with soft cross-bedded sandstones, light in colour and much finer-grained than the Isalo I sandstones." It is prominent in the Makay Massif.[2]