Pemodelan Tiga Dimensi (3D) Potensi Laterit Nikel Studi Kasus: Pulau Pakal, Halmahera Timur, Maluku Utara

Mining of nickel laterite resources need a volume of resources estimation considering the importance of resources calculation in determining the continuation of a mining. This research is intended to develop 3D modeling of nickel laterite potential based on gridding estimation and block model methods from gridding estimation that have been determined to get the best method. Several methods used in 3D modeling consist of direct estimation, IDW (Inverse Distance Weighted) combined with grid size 5 x 5m2; 10 x 10 m2; 12,5 x 12,5 m2; 25 x 25 m2and block model with cell size 5 x 5 x 1m3; 6,25 x 6,25 x 1 m3; 12,5 x 12,5 x 1 m3; 25 x 25 x 1 m3. The location of this study is in Pakal Island, East Halmahera, North Maluku Province. From the research result, it's founded that the best estimation method for 3D modeling is IDW orde 3 with grid size 25 x 25 m2 and the block model with cell size about 12.5 x 12.5 x 1 m3, which has the volume accuracy less than 1%