ANALISIS RESISTIVITAS BATUAN BERDASARKAN DATA GEOLISTRIK UNTUK MEMPREDIKSI SUMBER PANAS BUMI (Studi Kasus: Daerah Air Putih, Kec. Lebong Utara, Kab. Lebong, Prov. Bengkulu)

M. Farid, Arif Ismul Hadi, Fetusianti Fetusianti

Abstract


The purpose of this research is to analyze of the rock resistivity based on geo-electric data associated with
the geothermal sources and its geothermal distribution model in Air Putih, Kec. Lebong, Kab. Lebong, Prov.
Bengkulu area. The acquisition data were obtained by the use of the Naniura Resistivitymeter NRD 22 S
model and GPS (Global Positioning System). Processing of the data was using Res2DINV Software. The
results show that resistivity value is lowest (<10 Wm) detected at shallow subsurface until 12.4 m depth. This
very conductive zone is formed caused by fluid, mainly water in most heat condition. It’s predicted that
volcanic activity occurring beneath the field. Resistivity value is 10-<100 Wm detected began at 12.4 m depth.
This anomaly is occurred associated with hydrothermal zone or fluid formed caused by heat conduction from
magma chamber beneath the depth. Generally, the geothermal distribution model is laterally with having
variation resistivity value and to have potential to developing of geothermal.
Keywords: Rock resistivity, geo-electric data, geothermal source

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