(1)
All the non-saleable or un-usable minerals or ores above the threshold value of the mineral, as may be notified by Indian Bureau of Mines from time to time, or otherwise shall be stacked separately on the ground earmarked for the purpose:
Provided that in case of beach sand mineral deposits comprising of Ilmenite, Rutile, Zircon, Monazite, Sillimanite, Garnet, Leucoxene, etc., sufficient precautions shall be taken to separate and stack the waste sand or tailings from the associated minerals in order to avoid mixing of waste sand with the associated minerals.
(2)
The mineral or ore stock above the limit specified in the threshold values of minerals or otherwise, shall be properly maintained indicating the quantity and quality of all such material stacked, and the month-wise inventory of such materials shall be updated:
Provided that in respect of minerals specified in Part B of the First Schedule to the Act, the mineral or ore stock, irrespective of the grade of such atomic minerals whether it is above or below the threshold value limits declared under Schedule-A of the Atomic Minerals Concession Rules, 2016 shall be properly maintained indicating the quantity and grade of all such material stacked, and the month-wise inventory of such materials shall be updated and sent to the Atomic Minerals Directorate for Exploration and Research and the Indian Bureau of Mines and the concerned State Government.
Provided further that the lessee shall be required to maintain a month-wise inventory of the accurate material quantity of monazite and other prescribed substances extracted, starting from run of mine to stock yard, which shall be furnished to the Atomic Minerals Directorate for Exploration and Research and the Indian Bureau of Mines and the State Government on a monthly basis.
(3)
The overburden and waste material obtained during mining operations shall not be allowed to be mixed with the materials as specified in sub-rule (1).
(4)
The ground selected for dumping of overburden, waste material, the sub-grade or non-saleable ores or minerals shall be proved for absence or presence of underlying mineral deposits before it is brought into use for dumping.