The Aravalli Memoirs is the result of compilation and synthesis of the Precambrian lithostratigraphy, deformational events and structural data, magmatic cycles, mineral resources and geomorphology of the Aravalli region, in southern Rajasthan and north-eastern Gujarat--based on the acquisition of voluminous data collected till 1979 by the geoscientists of the Geological Survey of India. It covers an area of about 100,000 km2 and geological time span from 3.2. Ga ...