The Paleogene basins of Sabah, East Malaysia

Author : F.Tongkul
Publication : Bulletin of the Geological Society of Malaysia
Page : 301-308
Volume Number : 37
Year : 1995

Bulletin of the Geological Society of Malaysia, Volume 37, July 1995, pp. 301 – 308

The Paleogene basins of Sabah, East Malaysia


Earth Science Department, Universiti Kebangsaan Malaysia, Sabah Campus, Locked Bag No. 62, 88996 Kota Kinabalu, Sabah, Malaysia


Abstract: The Paleogene basins of Sabah developed in two stages, represented by early and late Paleogene sediments, in association with NW-SE compressional deformation during the late Mesozoic and Middle Eocene. The earlier deformation produced a wide elongate basin trending NE-SW bordered by a continental block to the NW and an emergent oceanic basement to the SE. The basin became the depositional sites of shallow to deep water early Paleogene sediments. The later deformation divided the earlier basin into two parallel basins (Outer and Inner basins) also trending NE-SW. Both basins were independently filled by shallow to deep water late Paleogene sediments derived axially from the southwest and laterally from the northwest and southeast. These basins were finally closed during the early Miocene resulting in the Paleogene fold-thrust belt of Sabah.

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