Discuss the lithology, fossil content and age of palaeozoic sequence of Spiti Basin of Himachal Pradesh.
The Spiti Basin in Himachal Pradesh preserves a remarkably complete and richly fossiliferous Palaeozoic sedimentary sequence, representing a passive continental margin setting of the Indian Plate prior to Himalayan collision.
The Palaeozoic succession, spanning from the Cambrian to the Permian, is characterized by distinctive lithologies and faunal assemblages:
The Spiti Basin's Palaeozoic sequence thus provides an invaluable window into the ancient Tethyan realm, offering critical insights into stratigraphy, palaeontology, and palaeogeography of the Indian subcontinent before its northward journey.
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