Journal of Earth and Marine Technology (JEMT)
Vol 1, No 2 (2021)

Resources Estimation on further Exploration activities in PT. Trimegah Bangun Persada (Harita Group) Kawasi Village, South Halmahera District, North Maluku

Talaohu, Simela (Unknown)
Fanani, Yazid (Unknown)
Putri, Fairus Atika Redanto (Unknown)

Article Info

Publish Date
31 Mar 2021

Abstract

PT. Trimegah Bangun Persada intends to do mining activity at the north part of IUP as the south and west parts have already been mined. This research aimed at producing natural resources of laterite nickel in the advanced exploration activity of Tangkuban Block. Besides, it also compared and determined the estimation methods having a good correlation with drilling results. Tangkuban Block carried out core drilling within total drill numbers of 286 spots and space distance 25 meters at the block area 22.16 Ha. This research began with determining the geological domain consisting of limonite, saprolite, and bedrock through a geo-statistical approach. After that, the researcher estimated nickel resources by three methods namely ordinary kriging, inverse distance weight, and nearest neighbor point. The result of estimation by ordinary kriging obtained a total volume of limonite layer 1,345,313 m3 with the content average of 1%, while the total volume of saprolite layer was 1,850,000 m3 1.64%.

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Journal Info
Journal of Earth and Marine Technology (JEMT)
Website

Abbrev

jemt

Publisher

Institut Teknologi Adhi Tama Surabaya

Subject

Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Physics Transportation

Description

Earth Science and planetary, Geology, Geochemistry, Geophysics, Geodesy, Geomatics, Geotech, Rock mechanics, Mining engineering, Natural Disaster, Land and ocean development, Natural resources, Environmental science, Social impact of mining and marine activity, Science and technology in mapping and ...