Geologi dan petrogenesis granit di desa karak apung dan sekitarrnya kecamatan bathin III ulu kabupaten bungo kota jambi

Ferdino, Ricky (2024) Geologi dan petrogenesis granit di desa karak apung dan sekitarrnya kecamatan bathin III ulu kabupaten bungo kota jambi. S1 thesis, Universitas Jambi.

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Abstract

Desa Karak Apung, Kecamatan Bathin III Ulu, Kabupaten Bungo, Provinsi Jambi. Secara fisiografi daerah penelitian terletak pada zona Perbukitan Barisan yang merupakan jalur busur magmatik Pulau Sumatra. Tujuan penelitian ini untuk mengetahui tatanan geologi daerah penelitian yang meliput, geomorfologi, stratigrafi, struktur geologi dan sejarah geologi daerah penelitian, mengetahui karakteristik granit di daerah penelitian dan mengetahui petrogenesis granit di daerah penelitian. Metode yang digunakan pada penelitian ini adalah survey lapangan yang kemudian akan dikorelasikan dengan analisis petrografi dan analisis XRF ( X-ray Fluorescence) sehingga akan didapatkan jenis batuan, seri magma dan lingkungan tektonik batuan. Geologi daerah penelitian cukup kompleks, terdapat satuan morfologi bentuklahan perbukitan vulkanik (V1), bentuklahan lembah vulkanik. Pola pengaliran yang berkembang adalah rectangular dan sentrifugal. Terdapatnya 5 struktur sesar yang didominasi oleh sesar mendatar yaitu Sesar Pinang, Sesar Selembak, Sesar Petal 1 dan Sesar Petal 2, Sesar Karakapung Ilir. Terdapat 3 satuan batuan yang terdapat pada daerah penelitian yaitu Granodiorit, Tonalit dan Syenogranit. Berdasarkan hasil dari analisis petrografi didapatkan nama batuan Syenogranit dan dari analisis geokimia yang telah dilakukan diketahui nama batuannya yaitu Granit dengan mineral penyusun Alkali Feldspar, Quartz dan Plagioklas. Seri magma calc alkaline, asal magma berasal dari kerak benua dapat ditemukan pada lingkungan tektonik island calc-alkaline basalt. Karak Apung Village, Bathin III Ulu District, Bungo Regency, Jambi Province. Physiographically, the research area is located in the Barisan Hills zone which is the magmatic arc route of Sumatra Island. The aim of this research is to determine the geological structure of the research area which includes geomorphology, stratigraphy, geological structure and geological history of the research area, determine the characteristics of granite in the research area and determine the petrogenesis of granite in the research area. The method used in this research is a field survey which will then be correlated with petrographic analysis and XRF (X-ray Fluorescence) analysis so that rock types, magma series and rock tectonic environments can be obtained. The geology of the research area is quite complex, there are morphological units of volcanic hill landforms (V1), volcanic valley landforms. The flow patterns that are developing are rectangular and centrifugal. There are 5 fault structures which are dominated by strike-slip faults, namely the Pinang Fault, Selembak Fault, Petal 1 Fault and Petal 2 Fault, Karakapung Ilir Fault. There are 3 rock units found in the research area, namely Granodiorite, Tonalite and Syenogranite. Based on the results of the petrographic analysis, the name of the rock Syenogranit was obtained and from the geochemical analysis that was carried out, the name of the rock was known, namely Granite with the minerals consisting of Alkali Feldspar, Quartz and Plagioclase. The calc alkaline magma series, where magma originates from continental crust, can be found in island calc-alkaline basalt tectonic environments.

Type: Thesis (S1)
Uncontrolled Keywords: Geologi, Granit, Kecamatan Bathin III Ulu; Bungo. Geokimia.
Subjects: L Education > L Education (General)
Divisions: Fakultas Sains dan Teknologi > Teknik Geologi
Depositing User: FERDINO
Date Deposited: 18 Jul 2024 07:07
Last Modified: 18 Jul 2024 07:07
URI: https://repository.unja.ac.id/id/eprint/68471

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