Publications

The tectonic history of Timor is complex and has been the subject of considerable attention. There are, however, several theories attempting to explain the tectonic and formational history of Timor. Three main structural models with numerous variations in detail have been proposed for Timor, which for brevity are usually described as the Imbricate, Overthrust and Rebound models. Outcrops have been described as: 1) Permian to Neogene sediments that reflect the tectonic history of Gondwana and the Northwest Australian margin, 2) Cretaceous through Neogene sediments believed to represent an overthrusted volcanic and forearc basin and 3) synorogenic Plio- Plistocene deposits reflecting rapid collision-related uplift.The primary aim of this paper is to describe the general tectonic setting of Timor, with special attention to structural changes in West Timor based on surface data and digital elevation model (DEM) and present a preliminary analogue for further petroleum exploration.Observations suggest two deformation styles in West Timor, i.e. E-W folded thrust belt and NE-SW oblique fault zone. The patterns have been descerned based on stress obtained in the study area. Data show activation faulting in Soe and Kolbano Block based on results of paleostress with tensor analysis.Keyword: tectonic, trend, fault, fold, West Timor