TY - BOOK AU - Lai,Kok Hoong TI - Geological investigation of the Yik Cheong Tin Mine No. 1, Tronoh, Kinta, Perak PY - 1981/// KW - Topography KW - Perak KW - Economic geology KW - Tronoh (Perak) KW - Kinta (Perak) N2 - This report is the result of an investigation which is part of a programme to determine the ages of mineralization in the Kinta Valley. The objective of the investigation is to examine bedrock exposed by mining to collect suitable samples of tin - mineralized rocks for isotopics analysis ER -