Maha Oya Thermal Springs, also called Maha Oya hot water springs or thermal cluster (Sinhala: මහ ඔය උණුදිය ලිං), are in Ampara District, Sri Lanka. The site is located about 2.5 km east of Maha Oya town.
Hot water springs
Maha Oya springs
The Maha Oya springs occur in the boundary between the Highland Complex (HC) and the Vijayan Complex (VC). This boundary is a sub-horizontal ductile thrust zone where a number of geologic features are identified. They include major mineralization occurrences such as magnetite, serpentinite, gold, corundum and calcite as well as formations of hot water springs (Widanagamage, 2011). There are seven out flowing hot water wells at the Maha Oya springs site. The average temperature of the hottest well is about 58°C while the lowest is 38°C (Adikaram & Dharmagunawardhane, 2013).
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References
1) Adikaram, A.M.N.M., Dharmagunawardhane, H.A., 2013. Diurnal temperature variations in thermal water springs: A case study at Mahaoya thermal spring cluster, Sri Lanka.
2) Premasiri, H.M.R., Wijeyesekera, D.S., Weerawarnakula, S. and Puswewala, U.G.A., 2006. Formation of Hot Water Springs in Sri Lanka. Engineer: Journal of the Institution of Engineers, Sri Lanka. p.7.
3) Widanagamage, I.H., 2011. EMPA dating of monazite from high grade metamorphic rocks along the Highland-Vijayan boundary zone, Sri Lanka. MSc thesis, Kent State University. pp.17-18
2) Premasiri, H.M.R., Wijeyesekera, D.S., Weerawarnakula, S. and Puswewala, U.G.A., 2006. Formation of Hot Water Springs in Sri Lanka. Engineer: Journal of the Institution of Engineers, Sri Lanka. p.7.
3) Widanagamage, I.H., 2011. EMPA dating of monazite from high grade metamorphic rocks along the Highland-Vijayan boundary zone, Sri Lanka. MSc thesis, Kent State University. pp.17-18
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This page was last updated on 6 September 2022