ANALISIS POTENSI SUMBERDAYA NIKEL LATERIT BERDASARKAN METODE RESISTIVITAS DAN DATA BOR PADA AREA “ND” KECAMATAN POMALAA, KABUPATEN KOLAKA, SULAWESI TENGGARA

ERNANDA, NIDA (2024) ANALISIS POTENSI SUMBERDAYA NIKEL LATERIT BERDASARKAN METODE RESISTIVITAS DAN DATA BOR PADA AREA “ND” KECAMATAN POMALAA, KABUPATEN KOLAKA, SULAWESI TENGGARA. Other thesis, UPN Veteran Yogyakarta.

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Abstract

v
INTISARI
ANALISIS POTENSI SUMBERDAYA NIKEL LATERIT BERDASARKAN
METODE RESISTIVITAS DAN DATA BOR PADA AREA “ND”
KECAMATAN POMALAA, KABUPATEN KOLAKA, SULAWESI
TENGGARA
Oleh:
Nida Ernanda
115200007
Dalam beberapa tahun terakhir, permintaan nikel meningkat pesat seiring
dengan berkembangnya industri kendaraan listrik, teknologi energi terbarukan, dan
permintaan bahan baku logam yang berkualitas tinggi. Indonesia, sebagai salah satu
negara dengan cadangan nikel laterit terbesar, memiliki posisi strategis dalam
industri nikel global. Berdasarkan besarnya permintaan nikel tersebut, maka
identifikasi zona-zona dengan kandungan nikel tinggi menjadi kunci utama dalam
meningkatkan efisiensi eksplorasi dan pengembangan tambang nikel terutama di
wilayah Sulawesi Tenggara. Penelitian yang dilakukan di area “ND” menggunakan
metode geolistrik resistivitas konfigurasi dipole – dipole dan terdapat 14 titik bor
pada daerah penelitian. Jumlah lintasan dalam penelitian ini sebanyak 8 lintasan
dengan lintasan terpanjang 1370 meter dan panjang lintasan terpendek 900 meter.
Akuisisi data pada penelitian ini menggunakan Syscal Jr. IRIS instrument dan
pengolahan data menggunakan software RES2DINV, software Surfer dan software
RockWork. Hasil penelitian menunjukan bahwa di daerah penelitian dibagi menjadi
4 zona, yaitu zona limonit dengan nilai resistivitas tinggi (157-407) Ohm.m, zona
saprolit dengan nilai resistivitas rendah (<156) Ohm.m, zona saprolit rock dengan
nilai resistivitas sedang (135-310) Ohm.m dan bedrock dengan nilai resistivitas
sangat tinggi (>407) Ohm.m. Potensi sumber daya nikel laterit pada daerah
penelitian berada dibagian barat kavling penelitian dengan ketebalan zona saprolit
sekitar (50 – 60) meter dan ketebalan lapisan top soil (1 -2) meter dengan sedikitnya
kehadiran dari boulder dan lapisan saprolite rock. Besarnya sumberdaya yang ada
di area “ND” yaitu sebesar 886.195.38 ton.
Kata kunci: Nikel Laterit, Pomalaa, Resistivitas, Volume
vi
ABSTRACT
ANALYSIS OF NICKEL LATERITE RESOURCE POTENTIAL BASED ON
RESISTIVITY METHOD AND DRILLING DATA IN “ND” AREA,
POMALAA DISTRICT, KOLAKA REGENCY, SOUTHEAST SULAWESI
By:
Nida Ernanda
11520007
In recent years, demand for nickel has increased rapidly along with the
development of the electric vehicle industry, renewable energy technology, and
demand for high-quality metal raw materials. Indonesia, as one of the countries
with the largest laterite nickel reserves, has a strategic position in the global nickel
industry. Based on the large demand for nickel, the identification of zones with high
nickel content is key in improving the efficiency of nickel mine exploration and
development, especially in the Southeast Sulawesi region. The research conducted
in the “ND” area used the resistivity geoelectric method of dipole - dipole
configuration and there were 14 drill points in the study area. The number of tracks
in this study was 8 tracks with the longest track of 1370 meters and the shortest
track length of 900 meters. Data acquisition in this study used Syscal Jr. IRIS
instrument and data processing using RES2DINV software, Surfer software and
RockWork software. The results showed that the research area is divided into 4
zones, namely the limonite zone with high resistivity value (157-407) Ohm.m,
saprolite zone with low resistivity value (<156) Ohm.m, saprolite rock zone with
medium resistivity value (135-310) Ohm.m and bedrock with very high resistivity
value (>407) Ohm.m. Potential nickel laterite resources in the research area are
located in the western part of the research lot with a saprolite zone thickness of
about (50-60) meters and a top soil layer thickness of (1 -2) meters with little
presence of boulder and saprolite rock layers. The amount of resources in the
“ND” area is 886,195.38 tons.
Keywords: Nickel Laterite, Pomalaa, Resistivity, Volume

Item Type: Thesis (Other)
Uncontrolled Keywords: Nickel Laterite, Pomalaa, Resistivity, Volume
Subjects: Q Science > QE Geology
Divisions: Faculty of Engineering, Science and Mathematics > School of Geography
Depositing User: Eko Yuli
Date Deposited: 24 Oct 2024 08:07
Last Modified: 24 Oct 2024 08:07
URI: http://eprints.upnyk.ac.id/id/eprint/41475

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