Karakterisasi Sifat Magnetik Dan Sifat Listrik Endapan Sinter di Beberapa Sumber Mata Air Panas Sumatera Barat (Studi Kasus: Mata Air Panas Alam Pauh Duo Kabupaten Solok Selatan, Sumani Kabupaten Solok dan Bonjol Kabupaten Pasaman Sumatera Barat)

Authors

  • Afdal Fajri Salim Jurusan Fisika, FMIPA, Universitas Andalas
  • Arif Budiman Jurusan Fisika, FMIPA, Universitas Andalas
  • Ardian Putra Jurusan Fisika, FMIPA, Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.6.2.119-125.2017

Abstract

Telah dilakukan karakterisasi sifat magnetik dan sifat listrik endapan sinter mata air panas dari mata air panas Sapan Malulung Kabupaten Solok Selatan, Sumani Kabupaten Solok dan Bonjol Kabupaten Pasaman.  Pengukuran resistivitas listrik dilakukan dengan metode dual probe electrode dan suseptibilitas magnetik dengan menggunakan metode anisotropy of magnetic susceptibility (AMS).  Nilai suseptibilitas magnetik yang didapatkan dari seluruh endapan sampel adalah 6 x 10-8 m3/kg – 15 x 10-8 m3/kg.  Diperkirakan mineral magnetik yang berkontribusi di dalam nilai suseptibilitas magnetik adalah hematit. Rendahnya nilai suseptibilitas magnetik di dalam endapan sinter dikarenakan oleh jumlah mineral magnetik (hematit) yang terkandung di dalam endapan sinter. Nilai resistivitas listrik tidak jenuh air didapatkan pada kisaran 35,632 Ωm dan 2509,569 Ωm.  Besarnya rentang nilai resistivitas listrik yang didapatkan karena ketiadaan mineral konduktif di dalam endapan sinter. Nilai resistivitas listrik jenuh air didapatkan pada kisaran 6,829 Ωm sampai 49,333 Ωm.  Tingginya nilai resistivitas listrik ini dikarenakan terdapatnya material-material pengotor yang tidak berasal dari reservoir panas bumi. Nilai suseptibilitas magnetik endapan sampel pada ketiga lokasi meningkat terhadap penurunan temperatur permukaan atau bila menjauhi mata air panas, sedangkan resistivitas listrik memiliki bentuk perubahan yang acak terhadap penurunan temperatur.

Kata kunci: endapan sinter mata air panas, resistivitas listrik, suseptibilitas magnetik, panas bumi

Downloads

Published

2017-04-04

How to Cite

Salim, A. F., Budiman, A., & Putra, A. (2017). Karakterisasi Sifat Magnetik Dan Sifat Listrik Endapan Sinter di Beberapa Sumber Mata Air Panas Sumatera Barat (Studi Kasus: Mata Air Panas Alam Pauh Duo Kabupaten Solok Selatan, Sumani Kabupaten Solok dan Bonjol Kabupaten Pasaman Sumatera Barat). Jurnal Fisika Unand, 6(2), 119–125. https://doi.org/10.25077/jfu.6.2.119-125.2017

Issue

Vol. 6 No. 2 (2017)

Section

Articles

License

Copyright (c) 2017 Afdal Fajri Salim, Arif Budiman, Ardian Putra

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Please find the rights and licenses in JFU (Jurnal Fisika Unand).

1. License

The non-commercial use of the article will be governed by the Creative Commons Attribution license as currently displayed on Creative Commons Attribution-NonCommercial 4.0 International License.

2. Authors Warranties

The author warrants that the article is original, written by stated author(s), has not been published before, contains no unlawful statements, does not infringe the rights of others, is subject to copyright that is vested exclusively in the author and free of any third party rights, and that any necessary written permissions to quote from other sources have been obtained by the author(s).

3. User Rights

JFU's spirit is to disseminate articles published are as free as possible. Under the Creative Commons license, JFU permits users to copy, distribute, display, and perform the work for non-commercial purposes only. Users will also need to attribute authors and JFU on distributing works in the journal.

4. Rights of Authors

Authors retain the following rights:

  • Copyright, and other proprietary rights relating to the article, such as patent rights,
  • The right to use the substance of the article in future own works, including lectures and books,
  • The right to reproduce the article for own purposes, provided the copies are not offered for sale,
  • The right to self-archive the article.

5. Co-Authorship

If the article was jointly prepared by other authors, the signatory of this form warrants that he/she has been authorized by all co-authors to sign this agreement on their behalf, and agrees to inform his/her co-authors of the terms of this agreement.

6. Termination

This agreement can be terminated by the author or JFU upon two months notice where the other party has materially breached this agreement and failed to remedy such breach within a month of being given the terminating partys notice requesting such breach to be remedied. No breach or violation of this agreement will cause this agreement or any license granted in it to terminate automatically or affect the definition of JFU.

7. Royalties

This agreement entitles the author to no royalties or other fees. To such extent as legally permissible, the author waives his or her right to collect royalties relative to the article in respect of any use of the article by JFU or its sublicensee.

8. Miscellaneous

JFU will publish the article (or have it published) in the journal if the articles editorial process is successfully completed and JFU or its sublicensee has become obligated to have the article published. JFU may conform the article to a style of punctuation, spelling, capitalization, referencing and usage that it deems appropriate. The author acknowledges that the article may be published so that it will be publicly accessible and such access will be free of charge for the readers.