Kudat Peninsula

Kudat formation is originated from deep marine environment.^[3][4] The peninsula is geologically high flanked by deep structural depressions with the northern terrane comprises thick-bedded sandstone with interbeds of silty mudstone and contains calcareous nannofossil of Early Eocene to Middle Eocene that were deposited in deep-water setting in contrast to shallow-marine environments declared in previously published material.^[5][6][7] In the central area of the peninsula in Sikuati located an oil seep in a tidal mangrove swamp surrounded by an adjacent green area of primary and secondary vegetation.^[8]

The peninsula generally received mean annual rainfall ranging from 2,000 millimetres to 2,500 millimetres while part in the southern received rainfall between 2,500 millimetres to 3,000 millimetres.^[9] Together with Bengkoka Peninsula, it is part of the Tun Mustapha Marine Park which includes coral reefs conservation.^[2]