ONGC Bulletin has been in circulation for many years now. Initially it was a well received journal particularly in seventies and eighties. The desire of the geoscientists to publish in ONGC Bulletin probably took a back seat in nineties and during current times owing to the existence of various geoscientific associations related to hydrocarbon sector where publication is received with extra reward of participation in the conferences and symposia.
ONGC Bulletin, Volume 43, No. 1, June 2008: Stratigraphy of India (Special Issue)
The word Stratigraphy derived from Latin stratum and the Greek graphia is literally the description of Strata. Stratigraphy remained a descriptive science for nearly one and half centuries. But as conceived now stratigraphy is a dynamic subject. The time concept in stratigraphy established on the basis of lithology, biota, radiogenic-isotope, geochronology, geomagnetic polarity time scale, chemostratigraphy, Earth's orbital parameters and cycle stratigraphy ...
