Bulletin of the Geological Society of Malaysia, Volume 36, Dec. 1994, pp. 19-30
Petronas Research and Scientific Services Sdn. Bhd., Lot 1026 PKNS Industrial Area, 54200 Ulu Kelang, Malaysia
Abstract: The stratigraphy of northern Labuan, East Malaysia, has been re-examined to include new field information. It is proposed that the three-fold subdivision of the strata in this part of Labuan into (in younging order) Temburong, Setap Shale, and Belait formations is incorrect. The strongly deformed argillaceous strata which underlie the Belait conglomerate ridge near Layang-Layangan are more typical of the Temburong Formation and may have been incorrectly included within the Belait Formation. This sequence of deep to shallow marine sediments is overlain unconformably by fluvial conglomerates of the Belait Formation, suggesting that the Setap Shale Formation, as re-defined by Brondijk (1962), is absent.