History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s1.t5.7

v1.c12.s1.t5.7

The rocks of Zawar area constitute a part of the Precambrian Aravali system and include and assemblage of low grade metamorphosed calcareous, arnaceous and agrillaceous sediments. Dolomite which is the principal host for lead and zinc is sharply inclined into steep ridges above the valley bottom. All the dolomite ridges are extensively honey-combed with ancient workings which follow the plunge of the orebody downward from the outcrop for several hundred metres with no access from the valley side.