Zulfaa, Aatinaa (2018) Aplikasi metode self potential untuk interpretasi bawah permukaan daerah semburan lumpur Bujhel Tasek, Kabupaten Bangkalan. Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.
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Abstract
INDONESIA:
Semburan lumpur Bujhel Tasek adalah salah satu semburan lumpur yang berada di Indonesia tepatnya di Desa Katal Barat Kecamatan Geger Kabupaten Bangkalan Pulau Madura. Bujhel Tasek memiliki 2 titik semburan (Bujhel Tasek Bini dan Bujhel Tasek Laki) yang masih aktif sampai saat ini dengan intensitas semburan yang relatif kecil. Penelitian ini dilakukan dengan metode survei geolistrik self potential (potensial diri, SP) yang mengukur potensial diri yang secara alami terdapat di lokasi penelitian. Penelitian ini bertujuan untuk mengetahui pola sebaran anomali SP, struktur geologi setempat, dan identifikasi sebaran dan tipe semburan lumpur Bujhel Tasek. Pengambilan data dilakukan dengan menggunakan konfigurasi elektroda gradient potential (leap frog). Pengolahan data dilakukan dengan software Surfer 11 dan Ms. excel. Berdasarkan hasil analisa dari semua data diketahui bahwa daerah setempat termasuk daerah konduktif dengan sumber anomali berasal dari background potential berupa aliran fluida, reaksi geokimia serta topografi dengan nilai potensial tertinggi 42.629 mV dan terendah -42.6211mV. Semburan lumpur Bujhel Tasek termasuk semburan lumpur yang tidak berbahaya dengan struktur bawah permukaan daerah setempat didominasi oleh lempung dan batu kapur.
ENGLISH:
Bujhel Tasek mud volcano is one of the mud volcanoes in Indonesia, precisely in the Village Katal Barat, Geger, Bangkalan, Madura Island. Bujhel Tasek has two active burst spots (Bujhel Tasek Bini and Bujhel Tasek Laki) with relative small intensity bursts. Bujhel Tasek is located in residential areas and farming areas. Therefore, it is necessary to do research to assess the existence of Bujhel Tasek for the safety and usefulness in the future. This research was conducted by using self potential (SP) method that measures naturally self potential in the study sites. This study aims to determine the distribution pattern of the SP anomaly, local geological structure, and identification of the distribution and type of mud eruption of Bujhel Tasek. The data were collected by using gradient potential (leap frog) electrode. Data processing was assisted by Surfer 11 and Ms. excel software. Based on the analysis of the data, it is known that the local area including the conductive area with the source of anomaly comes from the background potential in the form of fluid flow, geochemical reaction and topography with the highest potential value is 42,629 mV and the lowest is -42,621 mV. Bujhel Tasek mud volcanoes includes a harmless mud flow with sub-surface structures dominated by clay and limestone.
Item Type: | Thesis (Undergraduate) | |||||||||
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Supervisor: | Basid, Abdul and Hastuti, Erna | |||||||||
Contributors: |
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Keywords: | gunung lumpur; self potential; anomaly SP; Mud volcano | |||||||||
Departement: | Fakultas Sains dan Teknologi > Jurusan Fisika | |||||||||
Depositing User: | Heni Kurnia Ningsih | |||||||||
Date Deposited: | 28 Feb 2019 08:31 | |||||||||
Last Modified: | 28 Feb 2019 08:31 | |||||||||
URI: | http://etheses.uin-malang.ac.id/id/eprint/13244 |
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