How was India in Precambrian Era?
How was India in Precambrian Era?. In India, pre-Cambrians are generally divided into Achaean and Purina. The Purina was further subdivided into the Cuddapahs and the Undarns. All pre-Cambrian rocks are unfossiliferozes and comprise gneisses, schist's, marbles, quartzites, granites, limestones, dolomites and aphyllies.