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Browsing by Author "Udagedara, D. T."

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Geochemistry of gem bearing stream sediments of Kalu River basin, Sri Lanka: potential for rare earth elements (REEs)

Wijelath, P. W. D. D.; Madugalla, T. B. N. S.; Adikaram, A. M. N. M.; Pitawala, H. M. T. G. A.; Udagedara, D. T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2023-12-14)

Over the last two decades, the prospecting of Rare Earth Elements (REEs) has been extensively increased owing to their wider industrial applications. Stream sediments which are rich in precious gem minerals are considered ...
Micro-textural features of heavy mineral beach placers along the southeastern coast of Sri Lanka: implications for their paleoenvironment

Sandaruwan, G. B. C; Madugalla, T. B. N. S; Adikaram, A. M. N. M; Pitawala, H. M. T. G. A.; Udagedara, D. T. (Faculty of Graduate Studies, University of Kelaniya, Sri Lanka., 2022-12-28)

The beach placers are largely composed of resistant heavy minerals and are known as one of the most easily exploitable mineral deposits in the world. Such placers are commonly deposited along the edges of large water ...
Origin and mineralogy of gem and rare earth element-bearing gravels in eheliyagoda, Sri Lanka

Fernando, W. C. M.; Dissanayake, D. R. M. C. V.; Ranasinghe, P. V. H. K.; Adikaram, A. M. N. M.; Udagedara, D. T. (Faculty of Applied Sciences, South Eastern University of Sri Lanka, Sammanthurai., 2023-12-14)

The most well-known Eheliyagoda alluvial gem deposits in Rathnapura District lies on the Highland Complex (HC) rocks of Sri Lanka. It has been discovered that Sri Lanka's gem-bearing gravels are incredibly rich in ...

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