SUBSURFACE SURVEY OF CISARUA LAMPUNG HOT SPRINGS USING GEOCHEMICAL AND GRADIO-MAGNETIC METHOD

Authors

  • Reza Rizki Geophysical Engineering, Institut Teknologi Sumatera; South Lampung, Indonesia, Indonesia
  • Wijayanti Ashuri Geological Engineering, Institut Teknologi Sumatera; South Lampung, Indonesia, Indonesia
  • Rendra Aditya Hakim Geophysical Engineering, Institut Teknologi Sumatera; South Lampung, Indonesia, Indonesia
  • Nono Agus Santoso Geophysical Engineering, Institut Teknologi Sumatera; South Lampung, Indonesia, Indonesia

DOI:

https://doi.org/10.23960/jge.v8i1.176

Keywords:

Cisarua Hot Springs, South Lampung, Geochemical, Geological, Gradio-magnetic

Abstract

The subsurface survey was carried out in Cisarua Hot Springs, South Lampung. Cisarua Hot Springs has a neutral pH and a temperature of about 44 °C. A combination of geochemical and gradio-magnetic methods was used in this research. This research identifies the characteristics of the Cisarua Hot Springs, estimates reservoir temperature, and creates a subsurface model to determine the hot fluid distribution in the study area. According to the geological data, the manifestation of these hot springs correlates with the Lampung-Panjang Fault. The geochemical results show that this type of hot springs fluid is bicarbonate water, and the reservoir temperature is estimated to be around 160 °C. The low gradio-magnetic anomaly is correlated with the distribution of subsurface hot water flow, according to the 3D model of the gradio-magnetic method. The distribution of subsurface hot fluids is in the middle to the eastern part of the research area.

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Published

2022-03-30

How to Cite

Rizki, R., Ashuri, W., Hakim, R. A., & Santoso, N. A. (2022). SUBSURFACE SURVEY OF CISARUA LAMPUNG HOT SPRINGS USING GEOCHEMICAL AND GRADIO-MAGNETIC METHOD. JGE (Jurnal Geofisika Eksplorasi), 8(1), 58–66. https://doi.org/10.23960/jge.v8i1.176

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Vol. 8 No. 1 (2022)

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