TY - BOOK AU - Yunus Abd. Razak TI - Economic field report October 1979 PY - 1979/// KW - Geology KW - Perak KW - Kerbau, Sungai KW - Kedah KW - Baling KW - Ketil, Sungai KW - Geology, Economic KW - Kerbau, Sungai (Perak) KW - Ketil, Sungai (Baling, Kedah) N2 - The southern part of the region is underlain by granitic rocks while the northern part is represented by interbedded argillaceous arenaceous and rudaceous rocks. Most of the concentrates and geochemical silt samples were collected in areas underlain by granitic rocks. No in situ mineralization was observed during the trip ER -