Abstract
This chapter discusses the geology of the Mount Kinabalu district. Mount Kinabalu is unique in SE Asia because of its impressive elevation of 4101 m and unusual geological setting. The bulk of the intrusion appears to be of hornblende quartz monzonite and related lithologies. Detailed mapping and sampling is confined to the southern part of the massif because of its virtually impossible accessibility. The emplacement age and cooling history of the Mount Kinabalu pluton is also analyzed by K:Ar dating and Fission-track dating for zircon and apatite ages. The petrography of Hornblende–quartz monzonite, Biotite quartz monzodiorite, Hornblende–biotite quartz monzodiorite, Pyroxene–quartz monzodiorite, Hornblende–biotite quartz monzonite porphyry, Aplite, and Enclaves is described. A selection of wholerock analyses of selected Mount Kinabalu granitoids is also given. The chapter also summarizes the analysis of whole-rock trace element. The tectonic setting interprets the character of magmaphile element.
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