... provides adequate information for a conceptual level slope design. 1 INTRODUCTION Kao Kimberlite mine, an open pit operation is located in the northeast of the Kingdom of Lesotho in the Butha-Buthe district. The nearest towns are Ha Lejone and Mokhotlong which are 25 km south and 60 km southeast...

...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Modified slope mass rating for slope design in open-pit mining Z. Zakaria, A.W. Oscar, Z.S. Sabila & L.H. Jihadi Faculty of Geology, Universitas...

... on the geological structures, geomechanical properties of the slope materials and groundwater condition in the mine. The present research paper deals with t~e determination of the optimum overall slope angle at Donimalai Iron Ore Mine. It was also aImed to know the influence of slope design parameters on the safety...