Rengga Anak Gendang Assesment of Silica Rock Resources in the Lundu-Sematan Area, West Sarawak Rengga Anak Gendang - JMG(Sarawak) JMG(NRE) 2013 - viii,47pg ill,col,photo,maps,graph,table 29cm Bibiliography reference page 40 Subjects--Topical Terms: SilicatesRock--Mineralogy--Lundu-Sematan,West Sarawak