Resistivtiy Structure in Tangkuban Parahu Area Drived from CSAMT Data

[摘要] Tangkuban Parahu is located in Bandung, West Java, one of a volcano area. Controlled-source audio frequency magnetotelluric (CSAMT) survey has been conducted in the area using transmitter located in 3-5 km from the survey area. The objective of the survey was to determine a subsurface resistivity structures that may correlate to a geothermal reservoir in unknown geothermal potential area. In the paper, we applied a two-dimensional (2D) inversion scheme to interpret of the CSAMT data to obtain several resistivity sections describing the subsurface resistivity structures. The results of 2D inversion indicated several subsurface low resistivity anomaly (1-10 ohm.m) in the depth of 1000-1500 meter that may correlate to the existing a geothermal reservoirir confirmed by several surface manifestations in the area.

[发布机构] Earth Physics and Complex System Research Divison, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Indonesia^1

[效力级别] 物理学

[关键词] Audio frequencies;Controlled source;Geothermal potential;Geothermal reservoir;Inversion scheme;Resistivity structure;Surface manifestations;Two Dimensional (2 D)