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Image of IDENTIFIKASI LITOLOGI BAWAH PERMUKAAN PADA DAERAH MEGALREJO MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI WENNER-SCHLUMBERGER

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IDENTIFIKASI LITOLOGI BAWAH PERMUKAAN PADA DAERAH MEGALREJO MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI WENNER-SCHLUMBERGER

Siagian, Devita - Personal Name;

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IDENTIFIKASI LITOLOGI BAWAH PERMUKAAN PADA DAERAH MEGALREJO MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI WENNER-SCHLUMBERGER DEVITA SIAGIAN Jurusan Fisika Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya Jl. Raya Palembang-Prabumulih KM 32 Indralaya Ogan Ilir Abstrak Telah dilakukan penelitian tentang identifikasi litologi bawah permukaan pada daerah Megalrejo, Kecamatan Cepu, Kabupaten Blora, Jawa Tengah menggunakan metode geolistrik konfigurasi Wenner-Schlumberger. Tujuan penelitian ini adalah mengidentifikasi litologi berdasarkan nilai resistivitas batuan di Megalrejo. Tahap pengolahan data pada penelitian ini menggunakan perangkat lunak AGGISAdmin dan Res2dinv.Dari hasil penelitian litologi batuan yang diidentifikasi di daerah penelitian adalah batu pasir di line 1 pada kedalaman 5-8 m dengan nilai resistivitas 2.275-5.50 Ωm, di line 2 pada kedalaman 4-7 m dengan nilai resistivitas 3.66-7.40 Ωm, dan line 3 pada kedalaman 0.5-6.37 m dengan nilai resistivitas 3.94-7.90 Ωm. Batu lempung di line 1 pada kedalaman 8-12 m dengan nilai resistivitas 1.37-1.94 Ωm, line 2 pada kedalaman 7-12 m dengan nilai resistivitas 1.81-2.57 Ωm, dan line 3 pada kedalaman 0.5-3.7 m di bentangan 18-112 m dan pada kedalaman 9 m bersisipan dengan batu pasir dengan nilai resistivitas 1.96-3.94 Ωm. Pendugaan air tanah pada line 1 diidentifikasi berada pada kedalaman 12-26 m dengan nilai resistivitas 0.48-0.971 Ωm, pada line 2 diidentifikasi pada kedalaman 9.60-21 m dengan nilai resistivitas 0.627-1.27 Ωm, dan pada line 3 diidentifikasi pada kedalaman 9.60-21 m dengan nilai resistivitas 0.692-1.39 Ωm. Kata kunci: Metode geolistrik resistivitas, Konfigurasi Wenner-Schlumberger, Res2dinv, Identifikasi litologi bawah permukaan. IDENTIFICATION OF SUBSURFACE LITHOLOGY IN MEGALREJO AREA USING THE GEOELECTRIC METHOD OF THE WENNER-SCHLUMBERGER CONFIGURATION DEVITA SIAGIAN Department of Physics, Faculty of Mathematics and Natural Sciences Sriwijaya University Jl. Raya Palembang-Prabumulih KM 32 Indralaya Ogan Ilir Abstract The research has been carried out on the identification of subsurface lithology in the Megalrejo area, Cepu District, Blora Regency, Central Java using the Wenner-Schlumberger configuration geoelectric method. The purpose of this study is to identify lithology based on rock resistivity values in Megalrejo. This research was conducted at the Oil and Gas Human Resources Development Center. The data processing stage in this study used AGGISAdmin and Res2dinv software. From the results of lithology research, the rocks identified in the study area are sandstone in line 1 at a depth of 5-8 m with a resistivity value of 2.275-5.50 m, in line 2 a depth of 4-7 m with a resistivity value of 3.66-7.40 m, and line 3 at a depth of 3.66-7.40 m. a depth of 0.5-6.37 m with a resistivity value of 3.94-7.90 m. The claystone in line 1 at a depth of 8-12 m with a resistivity value of 1.37-1.94 m, line 2 at a depth of 7-12 m with a resistivity value of 1.81-2.57 m, and line 3 at a depth of 0.5-3.7 m stretches 18-112 m and a depth of 9 m is inserted with sandstone with a resistivity value of 1.96-3.94 m. The groundwater estimation on line 1 is identified as being at a depth of 12-26 m with a resistivity value of 0.48-0.971 m, on line 2 being identified as being at a depth of 9.60-21 m with a resistivity value of 0.627-1.27 m, and on line 3 being identified as being at a depth of 9.60-21 m. with a resistivity value of 0.692-1.39 m. Keywords: Geoelectric resistivity method, Wenner-Schlumberger configuration, Res2dinv, Identification of subsurface lithology


Availability
Inventory Code Barcode Call Number Location Status
2107003861T53035T530352021Central Library (Referens)Available but not for loan - Not for Loan
Detail Information
Series Title
-
Call Number
T530352021
Publisher
Indralaya : Prodi Ilmu Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam., 2021
Collation
xii, 31 hlm,: ilus.; 29 cm
Language
Indonesia
ISBN/ISSN
-
Classification
537.107
Content Type
Text
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
Teori tentang Kelistrikan
Prodi Ilmu Fisika
Specific Detail Info
-
Statement of Responsibility
MURZ
Other version/related

No other version available

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  • IDENTIFIKASI LITOLOGI BAWAH PERMUKAAN PADA DAERAH MEGALREJO MENGGUNAKAN METODE GEOLISTRIK KONFIGURASI WENNER-SCHLUMBERGER
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