Seneviratne, N.K.R.Pitawala, A.Fernando, G.W.A.R.2015-04-202015-04-202009Geological Society of Sri Lanka (GSSL) - Silver Jubilee Celebrations : Proceedings of the 25th Annual Technical Sessions, National Symposium on Geology of Sri Lanka, February 27-28, 2009:p.66https://dl.nsf.gov.lk/handle/1/19240GeologyQuartzite gravelsConference PaperRG/2005/EB/01FR 1567