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Identification of Subsurface Structures of Geothermal Potential Area in East of Mount Lawu Using The Gravity Method

INDONESIAN JOURNAL OF APPLIED PHYSICS · Vol. 10 No. 01 (2020) · hlm. 65–73

DOI
10.13057/ijap.v10i01.34217
ISSN
2477-6416, 2089-0133
Terbit
2020-05-22
Penerbit
Department of Physics, Sebelas Maret University
Bahasa
eng

Abstrak

Information about the eastern side subsurface stones of Mount Lawu regarding geothermal potential is limited. This research was conducted to provide information regarding geothermal potential in those area by using the gravity method. We did a 18 sites of gravity surveys in eastern flank of Mount Lawu where located in Magetan regency, Ngawi regency and Sragen regency, East Java. The principle of this method is to measure the earth's gravity field, then the value of gravity is corrected by some gravity corrections, i.e. height, tide, drift, normal gravity, free-air, Bouguer and terrain corrections. The Complete Bouguer Anomaly (CBA) shows the formation that related to the rock formation in the subsurface of Mount Lawu. Based on CBA modelling we found that in the eastern flank of Mount Lawu contains of tuff and breccia of volcanic rocks, breccia Jabolarangan and tuff Jabolarangan, lava andesite, igneous rock (pumice), and sedimentary rocks in the form of sandstone and clay. We found a fault structure on six tracks of a research area. Otherwise, we estimated that there is a geothermal potential on the southeast side of the research area

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  • Sebelas Maret University
  • Diponegoro University
  • Universitas Pembangunan Nasional Veteran Yogyakarta
  • Meteorological, Climatological, And Geophysical Agency
  • Universitas Halu Oleo
  • Jenderal Soedirman University
  • State University of Semarang
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Rekan penulisOrganisasiArtikel bersama
Udi HarmokoDiponegoro University3
Rina Dwi IndrianaDiponegoro University3
Muhammad Irham NurwidyantoDiponegoro University2
D DarsonoSebelas Maret University2
Sehah SehahJenderal Soedirman University2
Artono Dwijo SutomoSebelas Maret University2
Mohtar YuniantoSebelas Maret University2
Eko Teguh ParipurnoUniversitas Pembangunan Nasional Veteran Yogyakarta1
Yohana Noradika MaharaniUniversitas Pembangunan Nasional Veteran Yogyakarta1
Arif Rianto Budi NugrohoUniversitas Pembangunan Nasional Veteran Yogyakarta1
Agus TriyonoMeteorological, Climatological, And Geophysical Agency1
Rahmat GernowoDiponegoro University1
Friska Ayu SakhinaSebelas Maret University1
Rahmat GernowoDiponegoro University1
Gregrius Alvin FernandoDiponegoro University1
Mochamad Aryono AdhiState University of Semarang1
Danastri Lintang Pitaloka TampubolonNational Central University1
Muliddin MuliddinUniversitas Halu Oleo1
Jamhir SafaniUniversitas Halu Oleo1
Ilham IlhamMeteorological, Climatological, And Geophysical Agency1
Teguh SulistianAfiliasi tidak diketahui1
S SulistiyaniAfiliasi tidak diketahui1
Nugroho Budi WAfiliasi tidak diketahui1
Mariyanto MariyantoInstitut Teknologi Sepuluh Nopember1
Eleonora AgustinPadjadjaran University1
Mimin IryantiIndonesia University of Education1
Cahyo Aji HapsoroBandung Institute of Technology1
Abdul Latif AshadiKing Fahd University of Petroleum and Minerals1
Diah Sri JayantiAfiliasi tidak diketahui1
Asep Yusup BurhanudinDiponegoro University1
Joko WindartoDiponegoro University1
Darsono DarsonoNational Research and Innovation Agency1
Nakif NurcandraAfiliasi tidak diketahui1
Bambang NurlaksitoAfiliasi tidak diketahui1
Choirul Singgih MunandarSebelas Maret University1
Chatarina MuryaniSebelas Maret University1
Pipit WijayantiSebelas Maret University1

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Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Identification of Subsurface Structures of Geothermal Potential Area in East of Mount Lawu Using The Gravity Method</dc:title>
	<dc:creator>Koesuma, Sorja</dc:creator>
	<dc:creator>Septianingsih, Mela Budiani</dc:creator>
	<dc:creator>Legowo, Budi</dc:creator>
	<dc:subject xml:lang="en-US">Mount Lawu; Gravity Method; Fault; Geothermal Potential</dc:subject>
	<dc:description xml:lang="en-US">Information about the eastern side subsurface stones of Mount Lawu regarding geothermal potential is limited. This research was conducted to provide information regarding geothermal potential in those area by using the gravity method. We did a 18 sites of gravity surveys in eastern flank of Mount Lawu where located in Magetan regency, Ngawi regency and Sragen regency, East Java. The principle of this method is to measure the earth's gravity field, then the value of gravity is corrected by some gravity corrections, i.e. height, tide, drift, normal gravity, free-air, Bouguer and terrain corrections. The Complete Bouguer Anomaly (CBA) shows the formation that related to the rock formation in the subsurface of Mount Lawu. Based on CBA modelling we found that in the eastern flank of Mount Lawu contains of tuff and breccia of volcanic rocks, breccia Jabolarangan and tuff Jabolarangan, lava andesite, igneous rock (pumice), and sedimentary rocks in the form of sandstone and clay. We found a fault structure on six tracks of a research area. Otherwise, we estimated that there is a geothermal potential on the southeast side of the research area</dc:description>
	<dc:publisher xml:lang="en-US">Department of Physics, Sebelas Maret University</dc:publisher>
	<dc:contributor xml:lang="en-US">Physics Departement, Faculty Mathematics and Science Sebelas Maret University</dc:contributor>
	<dc:date>2020-05-22</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jurnal.uns.ac.id/ijap/article/view/34217</dc:identifier>
	<dc:identifier>10.13057/ijap.v10i01.34217</dc:identifier>
	<dc:source xml:lang="en-US">INDONESIAN JOURNAL OF APPLIED PHYSICS; Vol 10, No 01 (2020): April; 65-73</dc:source>
	<dc:source>2477-6416</dc:source>
	<dc:source>2089-0133</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jurnal.uns.ac.id/ijap/article/view/34217/27248</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2020 INDONESIAN JOURNAL OF APPLIED PHYSICS</dc:rights>
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