(1) Planetary and Geosciences Division, Physical Research Laboratory, 380 009 Navrangpura, Ahmedabad, India;(2) Department of Earth Sciences, Indian Institute of Technology, 400 076 Powai, Mumbai, India
Abstract:
We report here a40Ar-39Ar age of 66.0 ± 0.9 Ma (2σ) for a reversely magnetised tholeiitic lava flow from the Bhimashankar Formation (Fm.), Giravali Ghat, western Deccan province, India. This age is consistent with the view that the 1.8–2 km thick bottom part of the exposed basalt flow sequence in the Western Ghats was extruded very close to 67.4 Ma.
