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All Journal Journal of Engineering and Technological Sciences JGE (Jurnal Geofisika Eksplorasi) Journal of Geoscience, Engineering, Environment, and Technology Journal of Science and Applicative Technology Buletin Sumber Daya Geologi
Juliarka, Bella Restu
Geology Research Group, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Way Huwi 35365, Lampung Selatan, Lampung
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Physics

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Journal : Journal of Engineering and Technological Sciences

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Geothermal System in Parang Wedang, Yogyakarta, Indonesia Mochamad Iqbal; Bella Restu Juliarka
Journal of Engineering and Technological Sciences Vol. 54 No. 4 (2022)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2022.54.4.6

Abstract

Geothermal manifestations in Parangtritis, Indonesia, known as Parang Wedang Hot Spring, indicate a geothermal system in the subsurface. This circumstance motivated our research to model the Parang Wedang geothermal system in order to determine its subsurface conditions. Geological mapping, the geophysical method, and geochemical analysis were integrated to produce a conceptual model of the Parang Wedang geothermal system. The study area consists of structural hills, karst hills, and eolian plains with andesite breccias, limestone, andesite, and sand deposits as lithological variations. The results of magnetic modeling indicate that the research area is associated with the presence of an andesite intrusion and shows a NE-SW trending geological structure that is thought to be a path for hydrothermal fluid to the surface. Geochemical analysis was performed at two hot springs with temperatures of 47 °C and 49 °C. Geothermometer calculation showed that the geothermal reservoir in Parang Wedang has a temperature of 100 to 120 °C, a depth of about 180 to 285 m, and can be classified as a low enthalpy geothermal system.
Co-Authors Akroma Hidayatika Bilal Al Farishi Hesti Hesti Iqbal, Mochamad Iqbal, Mochamad Mochamad Iqbal Rahmi Mulyasari Wijayanti Ashuri