Hapuarachchi, D.J.A.C.2010-07-062010-07-061977Journal of the National Science Council of Sri Lanka, 5(1):p.29-32https://dl.nsf.gov.lk/handle/1/6257Metamorphic rocksGraphiteMineral depositsGeologyDecarbonation reaction and the origin of vein-graphite in Sri LankaArticle