Section 71 in Gujarat Minor Mineral Concession Rules, 2017
71. Open cast working.
(1)In open cast workings, the benches formed shall be so arranged that the benches in mineral and overburden are separate so as to avoid mixing of waste with the minerals.(2)The benches in overburden shall be kept sufficiently in advance so that their workings do not interfere with the working of minerals.(3)Orientation of the workings and sequence of mining operations shall be such that different grades of minerals can be obtained simultaneously for blending with a view to achieve optimum recovery of minerals from the deposit.
