Nugroho, Setyo Arif (2015) “ GEOLOGI DAN STUDI LINGKUNGAN PENGENDAPAN BATUBARA BERDASARKAN ANALISA MASERAL DAERAH CIKEUSIK, KECAMATAN BAYAH, KABUPATEN LEBAK, PROVINSI BANTEN ”. UNSPECIFIED thesis, UPN "Veteran" Yogyakarta.
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Abstract
Lokasi penelitian berada di wilayah kuasa eksplorasi PT. Damasari, Desa Cikeusik dan sekitarnya, Kecamatan Bayah, Kabupaten Lebak, Provinsi Banten.
Secara geografis terletak pada koordinat 106ᴼ 17’ 27.47ˮ - 106ᴼ 19’ 58.40ˮ BT, 6ᴼ 55’ 4.7ˮ – 6ᴼ 56’ 40ˮ LS , pada koordinat UTM 642625 – 647250, 9235125 –
9232187 dengan proyeksi UTM WGS84 48 N. Tujuan dilaksanakannya penelitian ini adalah untuk mengetahui kondisi geologi, mengetahui struktur geologi yang
berkembang, serta mengetahui lingkungan pengendapan batubara daerah Pantai Cabe berdasarkan nilai GI (Gelification Indeks) dan TPI (Tissue Preservation
Indeks) yang dihitung berdasarkan kandungan atau komposisi maseral pada batubara. Metode penelitian yang digunakan adalah berupa pemetaan geologi
permukaan (Surface Mapping) dengan pengambilan data langsung di lapangan.Beberapa analisis yang dilakukan antara lain: penampang stratigrafi terukur dan
analisa laboratorium petrografi batubara (maseral dan reflektan vitrinit) yang
digunakan untuk penentuan lingkungan pengendapan formasi pembawa batubara. Berdasarkan aspek-aspek geomorfologi, dibagi menjadi 2 bentukan asal
struktural yaitu lembah homoklin dan perbukitan homoklin. Bentukan asal fluvial
yaitu tubuh sungai Berdasarkan aspek fisik, kimia dan biologi penentu lingkungan
pengendapan, Kondisi pengendapan batubara pada Formasi Bayah adalah lowerdelta plain.
The research location is in the exploration area of PT. Damasari, Cikeusik
village and its surroundings, Bayah subdistrict, Lebak, Banten. Geographically
located at coordinates 106ᴼ 17 '27.47ˮ - 106ᴼ 19' 58.40ˮ BT, 6ᴼ 55 '4.7ˮ - 6ᴼ 56'
40ˮ LS, the UTM coordinates 642625-647250, 9235125-9232187 with UTM WGS84 projection 48 N. The objective of the study this is to determine the
geological conditions, knowing the geological structures evolve, and to know the
depositional environment of coal Cabe Beach area based on the GI (Gelification Index) and TPI (Tissue Preservation Index) calculated based on the content or
composition maceral on coal.
The method used is in the form of surface geologic mapping (Surface Mapping) with data collection in the field. Several analyzes were conducted,
among others: the measured and stratigraphic cross-section petrography laboratory analysis of coal (maceral and vitrinite reflectance) used for determining
the depositional environment of coal carrier formation.
Based aspects of geomorphology, divided into two formations, namely the
structural origin homoklin valleys and hills homoklin. Fluvial origin formed by the body of the river. Based on the physical, chemical and biological determinants of
depositional environments, depositional condition bayah Formation coal is lower
delta plain.
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Subjects: | Q Science > QE Geology |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 04 May 2016 04:41 |
| Last Modified: | 05 Oct 2022 04:35 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/284 |
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