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All Journal Jurnal Geosaintek Buletin Sumber Daya Geologi
Ahmad Zarkasyi
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Earth & Planetary Sciences Education Energy Engineering Environmental Science

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Journal : Jurnal Geosaintek

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Aplikasi Metode Magnetotelurik Dalam Interpretasi Struktur Panas Bumi: Daerah Panas Bumi Gunung Karua, Tana Toraja Sulawesi Selatan Ahmad Zarkasyi; Firman Syaifuddin; Nugroho Syarif Setiawan
Jurnal Geosaintek Vol 5, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (934.147 KB) | DOI: 10.12962/j25023659.v5i1.5062

Abstract

Bittuang Geothermal area has manifestations consisting of hot springs and alterations rock with reservoir temperature estimated about 200°C. The previous research and field observations lead us to carry out continuing research in this area, which is aimed at determining its resistivity structure to a depth about 2-4 km. This paper demonstrates the utilization of two -dimensional (2D) magnetotelluric (MT) inversions, which leads to characterizing the electrical resistivity structure of geothermal reservoirs. For this purpose, we carried out field measurements using Magnetotelluric (MT) methods. The study results reveal the existence of a strike as indicated from the geological data and a low resistivity zone at a shallow surface to a depth about 1-1.25 km that is most probably associated with alteration rock or claycap. The zone below the claycap with higher resistivity (50-250 ohmm) is indicated as reservoir zone.  
Co-Authors Dikdik Risdianto Edi Suhanto Mochamad Nurhadi Nugroho Syarif Setiawan Syaifuddin, Firman Yuanno Rezky