Compliance Monitoring Report for Mines and Quarries - National ...

Lower Sukrety Talc Mine (Suspended)General DetailsAddressContact PersonType of Mineral MinedStripping Ratio (Ore to Waste)Number of working days andAnnual ProductionGeological/Residual ReserveLeased Area and PeriodLower Sukrety Talc MineM/s Lam MiningSamtseMr. Sonam TobgayPromoterTalc lumpsSeasonal (180 days) and estimated annual production averages9.33 hectares (05/06/08-04/06/2009), SuspendedObservations1. Mining Operation DesignPit slope AngleBench Height and Width3. Waste and OverburdenManagementSanitary WasteTopsoilOverburden/Inter-burden,Undersize/Rejects/OthermaterialsMechanism of Dumpingand ArrestingPit slope Angle, BenchHeight and Length of Width6. Environment and ProgressiveRestorationRestorationEnvironmental BondDevelopment work was carried out from top–downwhere pit slope varies in-between 70 to 85 0 .No benching.The management has not provided disposal facilitatesfor sanitary waste.Top soil was not stored separately but it was disposedalong with the overburden.Overburden was disposed downhill.No check dam was seen at the site.Waste materials were washed down which hadcontributed to the siltation of the Sukrety River basinThe mine was left as it without any restoration.Environment Bond deposited Nu. 60,000.07. Others Water pipeline passes adjacent to the waste dump-yardand is connected to the Indian side.Sukrety River flow below the mine.At the adjacent side of the mine, huge landslide hasoccurred measuring more than 100meters in height.A seasonal approach road passes though the base of theslide.1.21 RecommendationThe management has to construct uniform bench and width height as mentioned in theFMFS and EMP including waste dump-yard to attain final pit slope of 45 0 .57