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All Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan JOURNAL ONLINE OF PHYSICS Jurnal Bio-Geo Material Dan Energi
Siregar, Anggi Deliana
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Electrical & Electronics Engineering Energy Medicine & Pharmacology Physics Other

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PETROGRAPHY OF PYROCLASTIC ROCK MOUNT MASURAI JAMBI PROVINCE Kirana, Febiyora Chandra; Nuriil Tadersi, Risnaliyah; Hasbullah, Andrea; Siregar, Anggi Deliana; Ritonga, D.M Magdalena; Utama, Hari Wiki; Misnawati, Misnawati
JOURNAL ONLINE OF PHYSICS Vol. 10 No. 1 (2024): JOP (Journal Online of Physics) Vol 10 No 1
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v10i1.38349

Abstract

The magmatic arc of Sumatra Island, which is indicated by the presence of the Barisan Mountains zone on the west side of Sumatra Island with a general direction northwest - southeast, makes Mount Masurai, which is administratively in Merangin Regency, Jambi Province, become one of the volcanoes on Sumatra Island. Geographically, the peak of Mount Masurai is located at coordinates 101o 51' 28.60" E and 2o 30' 09.19" S with an elevation 2915 masl. The eruption period of Mount Masurai is estimated to have occurred twice during the eruption period. Based on the lack of information about volcanoes, this research was conducted to determine the characteristic and distribution of pyroclastics from Mount Masurai. In the area around Mount Masurai, remnants of volcanic eruptions were found, in the form of pyroclastic flows and falls. From data collection based on the results of geological mapping and petrographic analysis, pyroclastic rocks were found in the area around Mount Masurai with lithology in the form of Andesite Breccia, Laharic Breccia Pumice Breccia, Lapilli stone and Tuff. This is reinforced by the results of petrographic analysis of rock samples which are dominated by the presence of a glass
ANALYSIS OF THE BATANG LANGKUP RIVER DISCHARGE USING FLOATING METHOD FOR MICRO-HYDRO POWER PLANT NEEDS (PLTMH) Siregar, Anggi Deliana; Chandra Kirana, Febiyora; Ritonga, D. M Magdalena; Tadersi, Risnaliyah Nuriil; Trianda, Obrin; Nugroho, Nanda Eko; Febriansanu, Dicko Rizky
JOURNAL ONLINE OF PHYSICS Vol. 10 No. 2 (2025): JOP (Journal Online of Physics) Vol 10 No 2
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v10i2.42520

Abstract

Water resources are renewable natural resources that have a volume with constant conditions in the hydrological cycle. The constant presence of water in the hydrological cycle can make water a source of energy. Water potential is also influenced by the presence of high rainfall in an area. The higher the rainfall, the higher the potential of water as a source of renewable energy, one of which is a micro-hydro power plant. The use of energy sources from hydropower has great potential in hilly complexes that have large river networks. To meet the need for electrical energy in the Rantau Kermas Village area, Jangkat District, Merangin Regency, Jambi Province, a water discharge calculation is needed to determine the estimated availability of energy. The calculation of water discharge in the Rantau Kermas Village Area, Jangkat District, Merangin Regency, Jambi Province was carried out using the floating method with the results obtained being 4,644 m3/s. and can increase or decrease depending on the rainy season or dry season. Water discharge value data can be used as information for the purposes of developing water resources as a Micro Hydro Power Plant (PLTMH) in the discharge
PERAN PERGURUAN TINGGI DALAM PEMBANGUNAN KEBERLANJUTAN GEOPARK DI UGGp MERANGIN JAMBI: Geopark Utama, Hari Wiki; Misnawati, Misnawati Misnawati; Siregar, Anggi Deliana; Kirana, Feby Febiyora Chandra; Wahyudi, Eko; Ritonga, D.M. Magdalene; Marlina, Leni
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 7 No. 3 (2023)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v7i3.479

Abstract

Perguruan tinggi merupakan satu aktor penting dalam pembangunan Geopark Merangin Jambi menjadi UNESCO Global Geopark Merangin Jambi. Pembangunan berkelanjutan di kawasan geopark melibatkan masyarakat lokal sebagai hal yang terpenting di dalam geopark. Perguruan tinggi dalam kegiatan tri dharma dapat diaplikasi dalam kegiatan pengabdian kepada masyrakat yang terkait dengan geopark, dalam hal ini sebagai upaya edukasi dan konservasi warisan geologi yang ada di kawasan geopark. Pelaksanaan pengabdian melibatkan sivitas akademika Universitas Jambi, Badan Pengelola Geopark Merangin Jambi, Universitas Merangin, dan Pemerintah Kabupaten Merangin serta Pemerintah Provinsi Jambi. kegiatan pengabdian yang dilakukan seperti Geopark Goes to School, Campus Goes to Geopark, Keterampilan Masyrakat, dan Konferensi Internasional. Berdasarkan kegiatan yang telah dilakukan, bahwa kegiatan pengabdian ini dapat terlaksana dengan baik dalam bentuk konsep edukasi dan konservasi pada warisan geologi dalam tiga pilar penting dari geopark, yaitu kenaekaragaman geologi, kenaekaragaman hayati, dan keanekaragaman budaya. Dalam pelaksanaan kegiatan pengabdian ini dapat disimpulkan bahwa pentingnya peran perguruan tinggi terhadap pembangunan yang berkelanjutan di Kawasan UNESCO Global Geopark Merangin Jambi.
GEOPARK GOES TO SCHOOL DI SMAN 03 KOTA JAMBI DAN SMK MUHAMMADIYAH KOTA JAMBI Utama, Hari Wiki; Siregar, Anggi Deliana; Ritonga, D.M. Magdalene; Juventa, Juventa; Amin, Sarwo Sucitra
Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Vol. 8 No. 2 (2024)
Publisher : Lembaga Penelitian dan Pengabdian Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jss.v8i2.503

Abstract

Geopark dikenal juga sebagai taman bumi yang secara geografis memiliki warisan geologi, dengan keanekaragaman geologi bernilai tinggi, termasuk di dalamnya kenaekaragaman biologi, dan keanekaragaman. Geopark didesain dengan fokus pada tiga komponen utama, yaitu perlindungan dan konservasi, pembangunan infrastruktur yang berkaitan dengan pariwisata, dan pembangunan sosial-ekonomi menggunakan pengembangan wilayah berkelanjutan. Geopark sendiri adalah sebutan bagi kawasan yang memiliki unsur-unsur geologi di mana masyarakat setempat diajak berperan serta untuk melindungi dan meningkatkan nilai warisan alam, termasuk nilai arkeologi, ekologi, dan budaya yang ada di dalamnya, secara berkelanjutan. Kata Geopark adalah singkatan dari geological park atau disebut juga sebagai taman bumi. UNESCO Global Geopark Merangin Jambi (UGGp MJ) terletak di wilayah administratif Kabupaten Merangin, Provinsi Jambi, dan menempati ¾ dari luas wilayah administratif tersebut. Lokasi inilah yang membuat Geopark Merangin Jambi dikenal sebagai lokasi fenomena geologi bumi dengan fosil yang berumur 300 Juta Tahun Lalu. Hal ini tentunya tidak lepas dari kondisi di permukaan bumi tersebut yang tersimpan banyak jejak kehidupan sejak jutaan tahun lalu, seperti fosil kayu, tumbuh-tumbuhan dan kerang-kerangan yang memfosil di batu endapan lava dan abu vulkanik yang dilontarkan oleh gunung api purba. Geopark Goes to school adalah program pengabdian Dosen Teknik Geologi Universitas Jambi, yang bertujuan untuk memperkenalkan dan mensosialisasikan tentang Geopark Merangin di kalangan Siswa SMA supaya dapat mengetahui dan mengenalkan bahwa ada Geopark di Provinsi Jambi. Pengabdian tahun ini berlanjut ke beberapa sekolah yang ada di kota Jambi dengan Judul Geopark Goes to School Series 2. SMK Muhammadiyah Kota Jambi dan SMAN 3 Kota Jambi merupakan salah satu mitra dalam pengabdian tahun 2023, dengan tujuan siswa/i mendapat pengetahuan mengenai UNESCO Global Geopark Merangin Jambi. Geopark Merangin Jambi divalidasi sebagai UNESCO Global Geopark Merangin Jambi, agar dapat mendapat pengakuan global, serta mendapat perlindungan hukum internasional untuk dapat menjaga segala potensi dan kelestarian bumi, flora dan fauna serta budaya.
ELECTRICAL RESISTIVITY-BASED SUBSURFACE CHARACTERIZATION AND GEOTECHNICAL CORRELATION FOR LANDFILL SITE INVESTIGATION IN BULAKAN, CILEGON, BANTEN Zelandi, Muhammad; Tadersi, Risnaliyah Nuriil; Kirana, Febiyora Chandra; Siregar, Anggi Deliana; Ritonga, D.M. Magdalena
JOURNAL ONLINE OF PHYSICS Vol. 11 No. 3 (2026): JOP (Journal Online of Physics) Vol 11 No 3
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v11i3.55250

Abstract

Landfill infrastructure development requires comprehensive subsurface characterization to ensure foundation stability and long-term environmental safety. This study applies Electrical Resistivity Tomography (ERT) using the Wenner electrode configuration along five survey lines (400 m length, 10 m electrode spacing) as the primary characterization method, integrated with geotechnical borehole drilling, Standard Penetration Tests (SPT), and groundwater observations at four boreholes of 10–20 m depth, to evaluate the suitability of Bukit Bulakan, Cilegon, Banten Province for landfill development. Inversion of 2D resistivity sections identifies three principal lithological units: Clayey Sand (0–150 Ω·m, SPT-N 10–36), Silty Sand (150–200 Ω·m, SPT-N 22–50), and Sandstone (200–1,300 Ω·m, SPT-N >50). Resistivity-to-SPT-N correlation demonstrates a consistent positive relationship in which increasing resistivity corresponds to increasing lithological compaction. Weak zones (47–73 Ω·m) identified along three survey lines indicate fault or fracture features that represent potential leachate migration pathways. The Sandstone layer at depths exceeding 10–15 m constitutes the most suitable foundation for landfill construction, while weak zones require targeted mitigation, including geomembrane installation and periodic ERT monitoring. This study confirms that integrating ERT with conventional geotechnical investigation provides substantially more comprehensive spatial subsurface characterization than borehole-only approaches in heterogeneous volcanic geological environments.
Geological Structure Analysis of The Grao Sakti Hot Spring Manifestation Using Gravity Derivatives Method: English Amin, Sarwosucitra; Tantri, Tantri; Utama, Hari Wiki; Siregar, Anggi Deliana; Tanjung, Maulina; Parnadi, Wahyudi Widyatmoko
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 4 (2026): Journal of Bio-Geo Material and Energy (BiGME), August 2026
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/tg3dsy91

Abstract

Hot springs are among the most common geothermal surface manifestations, typically emerging through fractures formed by tectonic processes. The subsurface structures associated with the Grao Sakti hot spring manifestation in Jangkat, Merangin Regency, were identified using GGMplus gravity data by analyzing rock density contrasts through cross-sectional interpretations of the First Horizontal Derivative and Second Vertical Derivative of the gravity anomaly data. The Complete Bouguer Anomaly map reveals several gravity anomalies ranging from 73.8 to 174.6 mGal, which are interpreted as the Masurai, Hulunilu, and Sumbing volcanic complexes, Dikit Fault Segment has promoted the development of a fault-bend basin within the study area and the Barisan Mountain Range. Structural interpretation based on the FHD and SVD maps indicates the gravity derivative results indicate that the Grao Sakti manifestation is associated with a subsurface structure interpreted as a normal fault. This interpretation is consistent with regional geological evidence, and previous studies conducted along the Grao Sakti hot spring profile that normal fault is interpreted to have developed as a consequence of the formation under a transtensional tectonic regime movement of the Dikit Fault Segment, a major segment of the Sumatran Fault System, which trends in a northwest–southeast direction.
Co-Authors Amin, Sarwosucitra Andrea Hasbullah EKO WAHYUDI Febriansanu, Dicko Rizky Hari Wiki Utama Juventa, Juventa Kirana, Febiyora Chandra Leni Marlina Misnawati Misnawati Misnawati, Misnawati Misnawati Muhammad Zelandi Nugroho, Nanda Eko Nuriil Tadersi, Risnaliyah Parnadi, Wahyudi Widyatmoko Ritonga, D.M. Magdalene Ritonga, Magdalena Sarwo Sucitra Amin TANJUNG, MAULINA Tantri, Tantri