A REPORT ON SMALL-SCALE MICA MINING IN
2021-11-12 · four states, namely Jharkhand, Bihar, Rajasthan and Andhra Pradesh. A small amount of production is reported from Tamil Nadu, West Bengal, Orissa and Madhya Pradesh. The location of major mica belts in India is shown in Figure 1. Pegmatites in general are regarded as an independent group of rocks of late magmatic origin.