The igneous rocks of Singapore: New insights to Palaeozoic and Mesozoic assembly of the Sukhothai Arc

Six plutons of granitic to gabbroic rocks have been recognised in the poorly exposed ground of north and east Singapore using new data from borehole cores and field observations. Five of the plutons were emplaced sequentially during the period 285–230 Ma, and these have been grouped within a single parent unit (Bukit Timah Centre) in a new lithodemic framework for Singapore. These plutons record the development of early Permian to Triassic...