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All Journal Journal of Geology and Exploration
Muhammad Aswadi
Department of Geological Engineering, Faculty of Engineering, Tadulako University
Earth & Planetary Sciences Engineering

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Spread Of Laterite Nickel Based on Drill Data at PT Manunggal Sarana Surya Pratama, Southeast Sulawesi Province Muhammad Aswadi; Jamal Rauf Husain; Ahmad Gazali; Alam Budiman Thamsi
Journal of Geology and Exploration Vol. 1 No. 2 (2022): Journal of Geology and Exploration, December 2022
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (830.979 KB) | DOI: 10.58227/jge.v1i2.9

Abstract

Modeling of nickel laterite resources is intended to determine the distribution of resources represented in the form of block models. The results of resource modeling indicate the shape and distribution of mineral deposits which can facilitate the mining process and can predict mining boundaries referring to the results of resource modeling. The purpose of this study was to determine the thickness of the saprolite zone layer and the distribution direction of nickel laterite based on drill point data. The data used in the laterite nickel resource modeling are exploration drill data, drill coordinates, and exploration grade classification. Data processing and analysis methods apply block modeling and the variogram method to determine the distribution direction of nickel resources. Based on the results of the cross-section profiles in Section 1 to Section 7, the average thickness of saprolite is 6,605 m, and the block model layer of saprolite which shows high levels of red color (Ni 1.9 - so on) is the most in the north, pink color (Ni 1.5-1.89) is in the north direction before the Ni 1.9 level above, the green color (Ni 1.3-1.49) is in the east and south.
Co-Authors Ahmad Gazali Alam Budiman Thamsi Jamal Rauf Husain