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Journal of Engineering and Scientific Research (JESR)
Published by Universitas Lampung
ISSN : 26850338     EISSN : 26851695     DOI : https://doi.org/10.23960/jesr.v4i1.78
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering Industrial & Manufacturing Engineering
The focus and scopes of JESR is on but not limited to Mechanical Engineering and Material Sciences, Chemical and Environmental, Industrial and Manufacturing Engineering, Computer and Information Technology, Electrical and Telecommunication, Civil and Geodetic Engineering, Architecture and Urban Planning, Geophysical Science and Engineering, and other multidisciplinary research. The main criteria for publication are including the originality, scientific quality and interest to the aim and focus. JESR publishes twice a year for June and December editions. We welcome for publication collaborations with organizer of International Seminars, Conferences and Symposiums around the world. We are encouraging authors to submit their manuscript through our online system.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 11 Documents
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Search results for , issue "Vol. 2 No. 2 (2020)" : 11 Documents clear
Identification of Geothermal Potential with Remote Sensing, Geochemistry, and Magnetotelluric Method in West Sumatera S S Larasati; I Maratama; P W Laksmana; O D Puspita; I Takodama
Journal of Engineering and Scientific Research Vol. 2 No. 2 (2020)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jesr.v2i2.123

Abstract

West Sumatra is one of a geothermal potential in Indonesia because of interaction between Eurasian and Indo-Australian tectonic. The existence of volcanoes produces geothermal potential with lithology andesite, tuff, and lapilli lava in the Marapi Mountain complex, which elongated at NW-SE direction as a result of NE-SW subduction. The remote sensing method specifically with Composite Band 567 and Lineament Density Analysis (LDA) found anomaly with the permeability value of prospects ranged from 2.05 to 4.76% per km2 (highest density value) with general direction is in the southeast-northwest which in line with the Sumatra structural pattern. Based on geological data, argillic alteration was found with geothermal manifestations consisting of hot springs. Through geochemical analysis, the fluid type of hot water sample (temperature of 48.66oC) is in the immature water zone; occur with the presence of carbonate sinter. Geophysical analysis using the magnetotelluric (MT) method to identified geothermal systems such as cap rock with low resistivity (<30 ohm.m) and reservoirs with moderate resistivity (31-300 ohm.m). The correlation between remote sensing, geochemistry, and magnetotelluric could determine the geothermal potential in West Sumatra.

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