D.B. Dharma, S. Rizal, M. Umar, I. Iskandar, Devianti, R. Idroes
This present study aimed to investigate the shallow borehole water blowout genesis based on geochemical properties from affected dug Well. A geochemical study was performed on dug well samples at the local community houses, namely SG-01, SG-02, SG-03, located around the blowout areas. The results showed that those three respective samples clustered onto two groups of water types, namely calcium bicarbonate in SG-01 and SG-02 and mixed types for SG-03, respectively. Moreover, the dissolved metal analysis did not show high concentration anomalies, whilst cation concentrations of the three samples are dominated by calcium, which is suspected from the rock dissolution process. The dominant anion is bicarbonate for SG-01 and SG-02, while the SG-03 sample is dominated by sulfate. The cross plot between the two isotope ratios with the global meteoric water line shows the isotope values of the SG-01 and SG-02 that are right on the global meteoric water line while SG-03 falls slightly above it. © Published under licence by IOP Publishing Ltd.
Graduate School of Mathematics and Applied Sciences, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Earth Resources Exploration Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung, 40132, Indonesia; Agricultural Technology Department, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia; Energy and Mineral Resources Agency of Aceh Province, Banda Aceh, 23114, Indonesia; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
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