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All Journal Jurnal Geosaintek Jurnal Geocelebes
Rizky Nurul Aulia
Departemen Teknik Pertambangan, Universitas Hasanuddin, Makassar
Earth & Planetary Sciences Education

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Geothermal Fluid Characterisics based on Geochemical Analysis of Hot Water in The Wawolesea Area, North Konawe Regency Southeast Sulawesi Province: Karakteristik Fluida Panas Bumi Berdasarkan Analisis Geokimia Air Panas Daerah Wawolesea Kabupaten Konawe Utara Sulawesi Tenggara Rizky Nurul Aulia; Irzal Nur; Asran Ilyas
JURNAL GEOCELEBES Vol. 6 No. 1: April 2022
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/geocelebes.v6i1.19672

Abstract

North Konawe Regency is an area with interesting geothermal potential to be studied. The observed geothermal potential manifestation is located in the Wawolesea area through the collection and analysis of three hot spring samples. This study aims to determine the characteristics of geothermal fluids, namely the type and origin of the fluid by conducting geochemical analysis on samples of hot springs in the study area which further shows the content of elements and chemical compounds and their respective concentrations. The analysis in this research is Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) to obtain B and Li concentrations, conductivity meter to obtain Cl concentration, visible spectroscopy method for SO4 concentration and HCO3 concentration measured by acid-base titration. The results showed that the type of hot springs in the study area was included in the Chloride type with a percentage of 81.8156%-83.3976% with a pH value of 6.7-7.4 and a hot spring temperature of 50-54°C then plotted into trilinear diagram. The Cl-Li-B Ternanry diagram shows that the source of the fluid is in a reservoir that has the same rock structure and comes from the old hydrothermal system. Based on the results of the analysis of fluid characteristics obtained from the research, it can be concluded that the hot springs of the Wawolesea Region are an indicator of the presence of geothermal sources and further research is needed on the magnitude of the geothermal potential.
ANALISIS HIDROKIMIA DALAM PENENTUAN TIPE DAN GOLONGAN FLUIDA GEOTERMAL SULILI KABUPATEN PINRANG SULAWESI-SELATAN Emi Prasetyawati Umar; Muhamad Hardin Wakila; Jamal Rauf Husain; Jamaluddin Jamaluddin; Syamsuddin Syamsuddin; Rizky Nurul Aulia
Jurnal Geosaintek Vol 8, No 3 (2022)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25023659.v8i3.14897

Abstract

Field surveys in the Sulili Region show geothermal characteristics in the form of manifestations, namely hot water springs. This study aims to determine the type of geothermal fluid in the study area based on the Na-K-Mg geothermometer method and then classify it based on trilinear and ternary diagrams. The results showed that the types of hot springs from the three hot springs in the study area were included in the chloride type with a percentage between 96.209% -96.651% which was plotted on the trilinear diagram. Based on the ternary diagram plotting, the geothermal fluid in the study area belongs to the immature water group. Based on the results of the study it can be concluded that the type of hot water springs in the study area is chloride with one of the hot springs included in the immature water group, namely EPU-1 hot water spring station, while two hot water spring stations, such as EPU-2 and EPU-3 stations cannot plotted due to the high levels of Mg at that station.
Co-Authors Asran Ilyas Irzal Nur, Irzal Jamal Rauf Husain Jamaluddin Jamaluddin Prasetyawati Umar, Emi Syamsuddin Syamsuddin Wakila, Muhammad Hardin