REKOGNISI LINEAMENT DAN PENGARUH KONTROL STRUKTUR TERHADAP KONDISI BENTANG ALAM ZONA STRUKTURAL DAERAH KARANGNUNGGAL, KABUPATEN CIANJUR, PROVINSI JAWA BARAT

WIOSO, YOSAPHAT BISMO and Sutriyono, Edy (2023) REKOGNISI LINEAMENT DAN PENGARUH KONTROL STRUKTUR TERHADAP KONDISI BENTANG ALAM ZONA STRUKTURAL DAERAH KARANGNUNGGAL, KABUPATEN CIANJUR, PROVINSI JAWA BARAT. Undergraduate thesis, Sriwijaya University.

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Abstract

Landscape along the deformation zone in an area of 81 km2 in the Citarum area, Cianjur Regency has been identified by two approaches, namely reconstructing the geological structure cross-section and analyzing topographic 3D expressions with Digital Elevation Model (DEM). Determination of the boundary of the structural zone is undertaken by interpreting the five geological sections, which are constructed on the basis of the structural map of the study area, then the result of interpretation is overlaid with the DEM map. Recognizing the landscape in this study focuses on the Cisokan fault block, Rajamandala anticline, Citarum syncline, and Citarum anticline. The zone of deformation is generally oriented NE-SW, so that the identification of the landscape is carried out along the general direction of the distribution of the structure. The Cisokan fault block possesses a row of hills with the crest length ranging between 213-1,703 m, the zone of Rajamandala anticline is occupied by the hilly landscape having the measured crest between 313-739 m, the zone of Citarum syncline showing a bunch of hills with 203-623 m, and the zone of Citarum anticline displaying surface expression of hills with the length of crests ranging between 236-852 m. Analysis of the lineament of the hills using a stereonet diagram for each structural zone reveals two patterns, that is NE-SW and NW-SE. The NE-SW lineament is interpreted as a general trend of erosion that followed fractures, which were formed coincident with a compressional deformation phase, leading to faulting and folding. Whereas, the NW-SE pattern is interpreted as the landscape that has been eroded along the fractures that were formed due to tension as compression waned.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Landscape, Deformation, Fold, Hills, Fault
Subjects:	G Geography. Anthropology. Recreation > G Geography (General) > G3180-9980 Maps Q Science > QE Geology Q Science > QE Geology > QE1-996.5 Geology Q Science > QE Geology > QE500-639.5 Dynamic and structural geology Q Science > QE Geology > QE601-613.5 Structural geology
Divisions:	03-Faculty of Engineering > 34201-Geological Engineering (S1)
Depositing User:	Yosaphat Bismo Wioso
Date Deposited:	29 Nov 2023 06:11
Last Modified:	30 Nov 2023 08:08
URI:	http://repository.unsri.ac.id/id/eprint/131429

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