Antalo Limestone
The limestones and marls of the Antalo Sequence also hold shale and calcareous sandstone layers. The Antalo Limestone comprises four members: (1) a basal member with grainstone and wackestone lithologies, with marly interlayers and in the upper part stromatoporoid corallike level; (2) sandy limestone deposited in estuaries and lagoons; (3) micritic (very fine grained) limestone with ...