Activites and achievementes of geological survey of India in Orissa / Деятельность и достижения геологической службы Индии в Ориссе

The Geological Survey of India started its field operations in Orissa in 1855-56 F.S. when W.T. Blanford, H.F. Blanford and W. Theobald surveyed the Talcher coal fields The first memoir of GSI (Mem. Vol. No. 1, 1859, pp. 33.38) contains an account of their work. The geological studies led to the unravelling of Gondwana glaciation and its coal bearing rock sequence above.