History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s2.4
History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c12.s2.4
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v1.c12.s2.4
Invariably for all hard rock mining fire-setting followed by quenching the fire with water was the main general method for creating a system of cracks in the rock mass/orebody which were subsequently exploited for extracting the ore by ‘gad’ or chisels. Iron for extraction tools came in use long time (some 2900 years) ago.