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Okto Ivansyah
Politeknik Negeri Pontianak
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Journal : physics communication

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IDENTIFIKASI SEBARAN ANOMALI MAGNETIK DI PERAIRAN KABUPATEN SAMBAS KALIMANTAN BARAT DENGAN MENGGUNAKAN METODE GEOMAGNET Aripin, Aripin; Ivansyah, Okto; Sampurno, Joko
Physics Communication Vol 1, No 1 (2017): February 2017
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (598.981 KB) | DOI: 10.15294/physcomm.v1i1.8999

Abstract

The distribution of magnetic anomalies in Sambas Sea has been investigated using the Magnetic method. The raw data, which acquired, have been corrected using IGRF data and tie-line leveling to obtain the local magnetic field distribution. Then, from the corrected data obtained four anomalous zones. Next, a slice that lying on the anomalous zones (line AB, CD, EF, and GH) was made to obtain the subsurface structures which obtain using inversion method. The results show that the presence of magnetic anomalies at the lines AB, EF and GH (with susceptibility values between 1.2 to 19.2) due to the magnetite rock at the subsurface. Moreover, The presence of magnetic anomalies at the line CD (with susceptibility values of 0.3 to 3.5) is caused by ilmenite rock. The correlation coefficients between the observation data and calculated data for all lines are between 0.98 to 0.99.
Co-Authors A.A. Ketut Agung Cahyawan W Achmad, Dwi Isyana Annisa, Cindy Fatika Nur Aripin Azrul Azwar Bambang Avianthara Carolina, Yera Chintia, Bella Danie Indra Yama Dilnalsyah, Felas Djoko Nugroho Doni, Doni Dwi Isyana Achmad dzulfahmi, dzulfahmi Elfrida Ratnawati Fakhrudin, Jaini Felas Dilnalsyah Hazairin Zubair, Hazairin Hezliana Syahwanti Ichsan Ichsan Ida Ayu Suci Indriyani, Feby Iwan Rusiyardi Jaini Fakhruddin Jaini Fakhrudin Joko Sampurno Joko Sampurno Joko Sampurno Juhardi, Ignasius Berta Kusumaningsih, Alvianita Rika Putri Luga, Arkadia Luga Manurung, Martianus MUHAMMAD ALI Muhammad Ali Muhammad Kholid Muhammad Kholid MUHAMMAD RIZAL Muhammad Rizal Muhammad Toasin Asha Muhardi Muliadi Muliadi, Muliadi Muliadi Muliani Muliani Mutaqin, Zaenal Nelson Fernando Siahaan Nurhasanah Nurhasanah Nurhasanah Nurhasanah Perdhana, Radhitya Purwandani, Ledy Ragil Putri Widyastuti Reka Oktavina Rista, Lorensiana Riyan Dano Prasetyo Riza Adriat saniah saniah Sari, Mia Aminina Wulan Sari, Nur Novita Sarifah Sarifah Septiyani, Friescha Siti Masyitah Fitrida Slamet Tarno Sri Widodo Subarsyah Subarsyah Susanti, Widya Sutriyatna Sutriyatna Ulva Ria Irvan Vanniastuti Mayasari Widyastuti, Ragil Putri Yudha Arman Yulinar Firdaus Yuris Sutanto Zaenal Mutaqin Zulfian Zulfian