History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c13.s2.t4.188

v1.c13.s2.t4.188

On the outer slopes of the hills ample evidence has been found about the techniques used for breaking and beneficiating the ore. The ore mineral was hand picked and broken, when necessary, using stone hammers and slightly hollowed work stones as shown in Fig.41. A series of cup like hollows in conveniently placed hard rock out-crops have also been found which might have been used either for grinding the ore or for gravity separation of sphalerite from Galena with the help [Figure: Iron hammers and chisels from Mochia mine. Fig. 40. Some mining tools of iron found inside the Mochia mine, Zawar]