Siripala Subasinghe

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The tsunami disaster in the Indian Ocean in December 2004 caused devastation of agricultural soils by salt water over wide areas. Many rice fields located close to the coast were affected by the flood of seawater. Electric conductivity (EC) of soils in tsunami-affected rice fields was found to be higher compared to unaffected fields 2 years after the(More)
The Eppawala phosphate deposit of Northcentral Sri Lanka is a large deposit with an estimated reserve of more than 40 000 000 metric tonnes of the ore. Field observations at Eppawala have helped to recognize several types of phosphate material on the basis of colour, texture and structure. Laboratory studies have established variable apatite mineralogies,(More)
A 29 000 yr old high-sulphur peat deposit occurs in the western district of Colombo, Sri Lanka. This permanently submerged deposit has several pyrite-rich layers in 8 to 10 m sequences and is connected to the open ocean. Sea water intrudes to the peat deposit during tidal movements. Villagers have excavated the peat to form islands which serve as(More)
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