LINEAMENT DAN STRUKTUR GEOLOGI DAERAH BARUNAI DAN SEKITARNYA, KABUPATEN LEBAK, BANTEN

SAPTIA, BEVANI MEYDI and Sutriyono, Edy (2020) LINEAMENT DAN STRUKTUR GEOLOGI DAERAH BARUNAI DAN SEKITARNYA, KABUPATEN LEBAK, BANTEN. Undergraduate thesis, Sriwijaya University.

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Abstract

Studi lineament dan struktur geologi dilakukan di Desa Barunai, Kabupaten Lebak, Banten. Secara tektonik Banten merupakan jalur pegunungan Tinggian Bayah Blok. Wilayah penelitian memiliki luasa sekita 81 km2. Penelitian ini menggunakan metode observatif, analitik, dan interpretatif yang didapatkan dari hasil observasi lapangan dan identifikasi di studio. Penelitian ini menggunakan data DEMNAS dengan mengekstraksi lineament menggunakan software PCI geomatika dan mengkorelasikannya dengan data struktur geologi lapangan. Analisis lineament yang digunakan yaitu analisis panjang lineament,analisis orientasi lineament dan densitas lineament. Tujuan dari penelitian ini yaitu menginterpretasi hubungan antara data lineament dengan hasil analisis data lapangan. Analisis lineament merupakan fitur permukaan linear yang dapat mewakili atau memperlihatkan kekurangan dalam struktur yang mendasarinya. Pada observasi dan identifikasi data lapangan didapatkan sesar naik dan sesar mendatar yang mengontrol daerah penelitian. Hal tersebut kemudian didukung oleh analisis lineament yang didapatkan arah utama lineament yaitu Utara - Selatan dan Barat – Timur. Densitas kelurusan yang didapatkan juga menunjukan klasifikasi geodinamik daerah penelitian memiliki struktur geologi yang sangat aktif. Berdasarkan pendekatan identifikasi antara analisis lineament dan struktur geologi didapatkan bahwa tingkat akurasi dari data DEM cukup akurat untuk membantu identifikasi struktur geologi. Kata kunci : Lineament ,Struktur geologi, DEMNAS, PCI Geomatika, geodinamik ABSTRACT A research on linement and structural patterns was conducted in Barunai, Lebak Sub-district. Banten is tectonically located in Tinggian Bayah Block. The method used within this research is observative, analytic, and interpretative methods obtained from field observations and identification in the studio. This study uses DEMNAS data by extracting lineaments using PCI geomatics software and correlating them with field geological structure data. The analysis lineament used is the analysis of the length lineament, analysis of the orientation lineament and the density of the lineament. The purpose of this study is to interpret the relationship between lineament data and the results of field data analysis. Lineament analysis is a linear surface feature that can represent deficiencies in the underlying structure. In the observation and field data collection, it is obtained reverse fault and strike slip fault that controls the study area. This is then supported by the straightness analysis obtained by the main lineaments namely North - South and West - East. The lineament density obtained also shows the geodynamic classification of the study area which has a very active geological structure. Based on identyfication between lineament analysis and geological structure, high-level data from DEM were obtained that were accurate enough to get help with geological structures.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Lineament, Geological structure, DEMNAS, PCI Geomatic, Geodynamic
Subjects: Q Science > QE Geology > QE1-996.5 Geology
Q Science > QE Geology > QE500-639.5 Dynamic and structural geology
Divisions: Faculty of Engineering > 34201-Geological Engineering (S1)
Depositing User: Bevani Saptia
Date Deposited: 27 Aug 2020 07:28
Last Modified: 27 Aug 2020 07:28
URI: http://repository.unsri.ac.id/id/eprint/33503

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