Abstract
The Laki formation of Kirthar Province of the Lower Indus Basin of Pakistan is vastly exposed in the folded area of the basin and is an excellent reference to the lithostratigraphic unit of stratigraphie importance for regional and inter-regional correlation of Early Eocene. The formation is predominantly marine origin, characterized by Nummulites atacicus, N. mamilla, Assilina granulosa, A. ley-merie, Alveolina oblonga, Flosculina globosa, Lockhartia tipperi, and Orbitolites complanatus etc., characteristic of the Assilina gra¬ nulosa zone. The planktic Foraminifera are characterized by Globo-rotalia rex, G. imitata, G. wilcoxensis, G. brodermanni, G. arago-nensis, G. formosa, G. palmerae and Globigerina turgida, designated to Globorotalia rex, G. aragonensis and G. palmerae zones. The Laki Formation is correlated to Ta 2 Letter Stage Classification of East Indies by Van der Vlerk and Umbgrove (1927).
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