jenius, Jenius and BARGAWA, Waterman Sulistyana and Amri, Nur Ali (2021) Perbandingan Metode Geostatistik dari Hasil Estimasi Sumberdaya Nikel Laterit. In: Prosiding Nasional Rekayasa Teknologi Industri dan Informasi XVI Tahun 2021 (ReTII), 9 Nop 2021, Institut Teknologi Nasional Yogyakarta.
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Abstract
upergen, utamanya dari batuan ultramafik di bawah kondisi suhu yang cukup panas dan curah hujan yang
cukup tinggi dan dikontrol oleh pergerakan fluktuatif muka air tanah. Bijih nikel laterit merupakan 73% dari
sumber daya nikel dunia dan akan menjadi sumber nikel yang dominan di masa depan. Penelitian ini
bertujuan untuk menganalisis perbandingan metode geostatistik pada daerah penelitian. Penelitian ini dibagi
menjadi beberapa tahap yaitu: pengambilan data lapangan (data bor), data dari tahap ini digunakan untuk
mengetahui kedalaman dan sebaran zona laterit .Estimasi kadar nikel laterit dilakukan pada zone limonite dan
zone saprolite. Sehingga dapat diketahui metode yang akurat pada daerah penelitian. Dalam hal ini metode
yang dibandingkan yaitu metode Ordinary Kriging (OK) dan Inverse Distance Weighting (IDW) untuk
mencari metode apa yang paling akurat untuk digunakan pada penelitian ini.
Kata kunci : Nikel Laterit, Geostatistik, Ordinary Kriging (OK), Inverse Distance Weighting (IDW)
ABSTRACT
Nickel laterite is formed as a result of a long weathering process, through chemical weathering and
supergene enrichment, mainly from ultramafic rocks under conditions of moderately hot temperatures and
moderately high rainfall and controlled by fluctuating movements of the groundwater table. Laterite nickel
ore constitutes 73% of the world's nickel resources and will be the dominant nickel source in the future. This
study aims to analyze the comparison of geostatistical methods in the research area. This study was divided
into several stages, namely: field data collection (drill data), data from this stage was used to determine the
depth and distribution of the laterite zone. Laterite nickel content estimation was carried out in the limonite
and saprolite zones. So that it can be known an accurate method in the research area. In this case, the
methods compared are the Ordinary Kriging (OK) and Inverse Distance Weighting (IDW) methods to find
out which method is the most accurate to be used in this study.
Keyword : Nickel Laterite, Geostatistical, Ordinary Kriging (OK),Inverse Distance Weighting (IDW)
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | Nikel Laterit, Geostatistik, Ordinary Kriging (OK), Inverse Distance Weighting (IDW), Nickel Laterite, Geostatistical, Ordinary Kriging (OK),Inverse Distance Weighting (IDW) |
| Subjek: | T Technology > TN Mining engineering. Metallurgy |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Dr. ST. MT Nur Ali Amri |
| Date Deposited: | 20 Nov 2021 09:34 |
| Last Modified: | 20 Nov 2021 09:34 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/27144 |
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