Hydrogeochemistry and Isotope Characteristics of the Hot Springs in the Wapsalit Area, Buru Regency, Maluku Province, Indonesia

Fathira Pinning; Agus Didit Haryanto; Johanes Hutabarat

doi:10.25299/jgeet.2023.8.4.13788

Authors

Fathira Pinning Faculty of Geological Engineering, Padjadjaran University, Jl. Dipati Ukur No. 35, Bandung, Indonesia
Agus Didit Haryanto Faculty of Geological Engineering, Padjadjaran University, Jl. Dipati Ukur No. 35, Bandung, Indonesia
Johanes Hutabarat Faculty of Geological Engineering, Padjadjaran University, Jl. Dipati Ukur No. 35, Bandung, Indonesia

DOI:

https://doi.org/10.25299/jgeet.2023.8.4.13788

Keywords:

Hydrogeochemistry, Isotope, Hot spring, Wapsalit area, Maluku Province

Abstract

Wapsalit is one of the geothermal areas that is located in Buru Regency, Maluku Province. Wapsalit area has several geothermal manifestations like hot springs, altered rocks, silica sinter and many more. This research aims to determine the characteristics and origin of the fluid in the research area. This research takes 5 samples of hot springs named FATH-1, FATH-2, FATH-3, FATH-4 and FATH-5. Based on the results of chemical analysis, it shows that the 5 samples belong to the bicarbonate fluid type. FATH-1, FATH-3 and FATH-5 belong to the partial equilibrium zone, FATH-2 and FATH-4 belong to the immature water zone. Based on isotope ¹⁸O and D analysis, the 5 hot spring samples originated from meteoric water and the fluids interacting with the rocks before heading to the surface.

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