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Journal : Journal of Physics and Its Applications

Magnetic Susceptibility of Volcanic Rocks from Pahae Julu Region, North Sumatera Province Nurmala Dewi Siregar; Hamdi Rifai; Syafriani Syafriani; Ahmad Fauzi; Fatni Mufit
Journal of Physics and Its Applications Vol 4, No 2 (2022): May 2022
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v4i2.13597

Abstract

Pahae Julu is a sub-district located in North Tapanuli Regency, North Sumatra. This area is often found with volcanic material from the eruption of Mount Toba (Youngest Toba Tuff). The Youngest Toba Tuff eruption occurred ~74,000 years ago with a volume of 2,800 km3. When there is an eruption, the lava on the earth's surface undergoes a relatively fast freezing process to form volcanic igneous rock. These rocks contain various minerals, one of which is magnetic minerals that can be used as a track record of volcanic processes from Mount Toba. However, no document records the magnetic susceptibility value of the Youngest Toba Tuff volcanic rock in the Pahae Julu area. This research aimsbfor knowing the abundance of magnetic minerals by the low-field magnetic susceptibility. To achieve this goal, the rock magnetism method is used. This way is very effective, cheap, sensitive, and non-destructive. Magnetic susceptibility measurements are done using the Bartington Magnetic Susceptibility Meter MS2B sensor. Rock samples analyzed are pumice which is the result of the Youngest Toba Tuff eruption. The results showed that the magnetic susceptibility value obtained for the sample was between 85.0 x 10-8m3/kg – 183.1 x 10-8m3/kg with an average of 119.78 x 10-8m3/kg. Based on this value, it is assumed that the magnetic mineral properties are Antiferromagnetic. The average value of χ fd% obtained is 0.95%, indicating that the Youngest Toba Tuff volcanic rock in the Pahae Julu area has almost no Superparamagnetic grains.
Co-Authors - Hamdi Afriandi, Muhammad Agus Pramono Ahmad Fauzi Aini, Mirza Aivani Caesaria Akmam Akmam Aldilla, Endang Alfi Sahrin Ali, Eisa Putri Amali Putra Amalia Putra Amelia, Ocha Anabel, Haura Fitri Andri Yanto Putra Andriyani, Dwi Rika Andromeda Andromeda Andromeda Andromeda Andromeda Andromeda Andromeda Andromeda Anelfia, Syifa Chaerunisa Anggreani, Yulita Anjani, Hilmi Rizki Annisa Fadhilah Annisa N Annisa N Apriani Wirahmawati Aripin, Nurul As rizal Asrizal Asrizal Asrizal A Asrizal A asrizal A Asrizal Asrizal Atifah Hirahmah Atikah Dian Fitri Azmi Asra Azmi Renaldi Renaldi Alrahmadana Carnesia, Mita Dea Stivani Suherman Depitra Wiyaguba Desestra Desestra Desnita Dessupri Niarti Devana DEVI PERMATA SARI Dewi Ratna Sari Dhanil, Muhammad Dhea Febriya Diana Zulyetti Dirman, Hendra Musfa Dwi Agustina Dwi Putri, Melisa Dwi Rika Andriyani Efendi, Elvaretta Elsa Feryani Harifan Elvi Suryanti Emiliannur Emiliannur Emilya, Wulanda Tri Emilya, Wulanda Try Ermina Sari Fadhiel, M. Al fadillah, Muhammad Aizri Febiola, Nadia Festiyed Festiyed Festiyed Festiyed Feziyasti, Azifa Filda Rinawan Fina Afriani Putri Fitri Hayati Fitri, Aidina Milla Fitri, Atikah Dian Fitriyani Rizal Fleony Dea Amanda Fuja Novitra Gunawan, Maulina Suryati Gusnedi Gusnedi Gusnedi Gusnedi Guswina, Sri Hafizah Rahmi Fitri Hamdi Hamdi Hamdi Hamdi Hamdi Rifai Hamidi Rifai Hanifah Hanifah Harman Amir Hayyu Yumna Heffi Alberida Hendra Musfa Dirman hidayanti, hidayanti Hidayati Hidayati Hidayati Hidayati Hidayatullah Hilman Yusri Hirahmah, Atifah Hufri Hufri Hurriyah Hurriyah Ilahi, Tut Dunya Wahyuni Ilwandri Ilwandri Ina, Felina Ardini Indriyani, Ririn Irfan Luthfi Iswandi Iswandi IZZAH, NURUL Jenny Capriconia Julio Fadjar Kolotosa Karzah, Khofifah Larasati Gustia Ayopma Letmi Dwiridal Letmi Dwiridal Letmi Dwiridal Lidya Jasmi Lufri Lufri Mahrizal Mahrizal Maidani, Delvi Putri Marjuni Marjuni Martala Sari Media Febrina Media Roza Mega Elvianasti Metia Husra Husnuzan Meysi, Nur Afrianti Miftahul Arrazi Mugni Bustari Muhammad Aizri Fadillah Muhammad Dhanil Mulyana, Venny Mulyandri Putra Mustika Hayati Mutia Rosiana Nita Putri Nadia Zuwita Nadya Fitra Kurnia Nadya Sari Putri Nafsih, Nurul Zakiatin Nailul Rahmah Pohan Nilyani, Korry Noer, Fadhlina Nofi Yendri Sudiar Novebrini, Sintya Nur Hikmah Nur Ifani Rizkita Nurfah Wilda Nurhamdin Putra Nurhikmah Nurhikmah Nurmala Dewi Siregar Nurul Azkia Firmonia Nurul Azmi Oktaviawati, Diah ayu Pebriani, Tri Ulfa Prima Lestari Atmam Puja Asni Wahyu Puri Pramudiani Putra, Amali Putri Dwi Sundari Putri Lingga Harmita Putri Nabila Putri, Fina Afriani Putri, Prima Isma Putri, Widya Iswara Rahmat Hidayat Rahmi Habibah Ramli Ramli Rania Atara Isra Ratnawulan . Raudhah Awal Raudhatul Jannah Reni Defrianti Reni Puspitasari Reni Saputri Renol Afrizon Revi Gina Gunawan Revi Indriani Reza Sri Mardayani Rif'il Husniyah Rikizaputra Rikizaputra rina, rina novita Riri Jonuarti Risaldi Putra Riyasni, Selma Rizka Melia Putri Roza, Media RR. Ella Evrita Hestiandari Safahi, Luthpi Sandijal Putra Saputra, Iwan Saputri, Indah Sari, Nurul Fadillah Selvia Selvia Shintya Ruci Pratama Shofiah Aini Siagian, Gunaria Silvi Yulia Sari Siti Asma hanum Siti Fauziah Socrates, Tegar Putra Solly Aryza Sonia Fitri Anggraini Suhadah, Olivia Suherman, Dea Stivani Syafriani Syafriani Syafrilianto, Syafrilianto Syamsidar Syamsidar Syarafina R Tanjung, Mardia Roza Tika, Luth Fiyyah Atiqah Tisa Febri Delvia Ulfa, Jufiani Utari Prisma Dewi Vania Angelia Putri Viki Pratama Viviandri Viviandri Wahyuni S.D Wahyuni Satria Dewi Wedara Yuliatri Wulanda Tri Emilya Yanuar, Dinda Yeka Hendriyani Yerimadesi Yogi AlFajar Yoli Wilanda Fitri Yori Deswita Yosi Apri Malita YUDI, MUHAMMAD WAHYUDI Yul Ifda Tanjung Yuli, Fatma Yuliani, Nuri Yulkifli Yulkifli Yuni Ahda Yurnetti, Yurnetti Zaitul Hidayat Zaitul Hidayat Zulherman Zulrahayu, Vevy Zurhaimi, Tri Zeni Adha