dc.contributor.author |
Batapola, NM |
|
dc.contributor.author |
Ratnayake, NP |
|
dc.contributor.author |
Abeysinghe, AMKB |
|
dc.contributor.author |
Premasiri, HMR |
|
dc.contributor.author |
Rohitha, LPS |
|
dc.contributor.author |
Dushyantha, NP |
|
dc.contributor.author |
Ilankoon, IMSK |
|
dc.contributor.author |
Dissanayake, DMDOK |
|
dc.contributor.author |
Dharmaratne, PGR |
|
dc.contributor.editor |
Dissanayake, DMDOK |
|
dc.contributor.editor |
Jayawardena, CL |
|
dc.date.accessioned |
2022-02-28T06:27:04Z |
|
dc.date.available |
2022-02-28T06:27:04Z |
|
dc.date.issued |
2021-12 |
|
dc.identifier.citation |
Batapola, N.M., Ratnayake, N.P., Abeysinghe, A.M.K.B., Premasiri, H.M.R., Rohitha, L.P.S., Dushyantha, N.P., Ilankoon, I.M.S.K., Dissanayake, D.M.D.O.K., & Dharmaratne, P.G.R. (2021). Exploration for potential sources of rare earth elements in Sri Lanka. In D.M.D.O.K. Dissanayake & C.L. Jayawardena (Eds.), Proceedings of International Symposium on Earth Resources Management & Environment 2021 (p. 120). Department of Earth Resources Engineering, University of Moratuwa. https://uom.lk/sites/default/files/ere/files/ISERME%202021%20Proceedings_2.pdf |
en_US |
dc.identifier.uri |
http://dl.lib.uom.lk/handle/123/17104 |
|
dc.description.abstract |
The global demand for rare earth elements (REEs) has been skyrocketing lately due to their
excessive usage in numerous high-technologies. Therefore, the current study explores the
REE potential in different geological formations of Sri Lanka. Accordingly, REE
geochemistry and mineralogy of granites at Massenna (n=10), Arangala (n=6), and Thonigala
(n=16); Eppawala phosphate deposit (EPD) (n=20); Ratthota pegmatite (n=6); southwest
beach placers (n=18); and Walave alluvial placers (n=20) were analysed by the Inductively-
Coupled-Plasma Mass-Spectrometer (ICP-MS) and X-ray Diffractometer (XRD), respectively.
Based on the results, only EPD (2676.0-6486.3 mg/kg), Arangala (1634.9-4031.6 mg/kg), and
Massenna (65.3-2153.4 mg/kg) showed high total REE (TREE) contents, and they contained
REE minerals, such as apatite, monazite, rinkite, mosandrite, and eudialyte. Currently,
carbonatites and ion-adsorption clays are the dominant REE sources in the world, and
commercial REE extractions are only focused on the minerals: bastnaesite, monazite, and
xenotime. In this context, the EPD is the most potential REE source in Sri Lanka (0.46% REO),
especially for light rare earth elements considering not only its high TREE content but also
the carbonatitic origin and the mineralisation of apatite and monazite. However, the EPD
should be further explored for mineralogy, composition, and impurities to assess its viability
as a future REE source in Sri Lanka. |
en_US |
dc.language.iso |
en |
en_US |
dc.publisher |
Department of Earth Resources Engineering, University of Moratuwa |
en_US |
dc.relation.uri |
https://uom.lk/sites/default/files/ere/files/ISERME%202021%20Proceedings_2.pdf |
en_US |
dc.subject |
Eppawala phosphate deposit |
en_US |
dc.subject |
Geochemistry |
en_US |
dc.subject |
Rare earth exploration |
en_US |
dc.subject |
Rare earth mineralogy |
en_US |
dc.title |
Exploration for potential sources of rare earth elements in Sri Lanka |
en_US |
dc.type |
Conference-Abstract |
en_US |
dc.identifier.faculty |
Engineering |
en_US |
dc.identifier.department |
Department of Earth Resources Engineering |
en_US |
dc.identifier.year |
2021 |
en_US |
dc.identifier.conference |
International Symposium on Earth Resources Management & Environment 2021 |
en_US |
dc.identifier.place |
Colombo |
en_US |
dc.identifier.pgnos |
p. 120 |
en_US |
dc.identifier.proceeding |
Proceedings of International Symposium on Earth Resources Management & Environment 2021 |
en_US |
dc.identifier.email |
nadee92madhubhashani@gmail.com |
en_US |