Investor Presentaiton

Based on characteristics and slope movements analyses, the conceptual model of soil and rock slope failures of Menoreh Hill can be established as the following: Type of Rock Involving Materials Geologic Structures Model Figure Fresh volcanic Joints, Faults Type: Wedge rocks, breccia, lava Rock Fresh volcanic rocks, breccia, lava Joints, sheeting joint, faults Sliding Plane: intersection of 2 joint planes Type: Block glide Sliding Plane: joint plane, planar shape, translational movement x X X X X x X X X X x X X x x X X X X x X X X X X X X X X X X X X X x x x X X •INTERNATIONAL CONFERENCE ON ICEMINE 2019 ENERGY 6 ON EARTH SCIENCE, MINERAL AND Yogyakarta, 3 October 2019

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