I congratulate Bera et al. (2008) for their work on the Subathu Formation near its type locality, a terrain that shows numerous tectonic complications because of intense folding and thrusting. The Paleogene stratigraphy in the Shimla Hills is well established and suggests the first sandstone band (quartz arenite) with a sharp or erosional base as boundary between the Subathu Formation and the Dagshai Formation (e.g., Srivastava and Casshyap, 1983; Bhatia, 1985; Bhatia and Bhargava, 2006, among others). However, the claim by Bera et al. to consider calcrete profiles as marker horizons between the two in not tenable...

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