Investigation of Crushed Aggregate as Stemming Material in ...
· The drill cuttings and crushed aggregates were used as stemming material (as shown in Fig. 1a, b) for conducting the trial blasts. The blast trials have been conducted in a lead–zinc mine, on the top overburden rock formations (Fig. 2a, b). The geology of the mine entailed a stratiform, sedimenthosted lead–zinc deposit that occurred in preCambrian banded .