Geochronology of geological structure lineation in the Palu-Koro Fault Zone

The Palu-Koro Fault Zone (ZPKF) is an active of strikeslip fault zone system that extends from north-northwest to south-southeast on the Island of Sulawesi, Indonesia. The distribution of rocks in this ZPKF area consists of; The Wana Complex is Triassic, the Gumbasa Complex is Jurassic, the Latimojong Formation is Cretaceous, the Breakthrough Rock is Miocene, the Pakuli Formation is Pleistocene and Alluvial Deposits are Holocene. Fault Lineation is performed using DEM images. The lighting azimuth angles used are 0°, 45°, 90° and 135° using Global Mapper software. Structural Geological Analysis was carried out using PCI Geomatics and Stereonet devices. The fault direction at the Triassic age is NW – SE, the fault direction at the Jurassic age is NE – SW, the fault direction at the Cretaceous age is N – S, the fault direction at the Pleistocene age is N – S, the fault direction at the Holocene Triassic age is NW – SE. In general, the direction of the faults at various rock ages in the ZPKF follows the direction of the Palu Koro Fault as it is present.