History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c39.s2.t3.13

v1.c39.s2.t3.13

The social factors underlying the nascent urban technology included the new geographical-cum-geological scenario. The sophistication of iron technology in the Bihar sites like Rajagriha was essentially on account of the proximity of iron ore deposits in the Singhbum area (Kosambi, 1965), which also produced alluvial washings of gold (the name of the river ‘suvarṇarekhā’ is suggestive).