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Pembuatan maket geologi struktur sebagai bahan ajar di Jurusan Teknik Kebumian Fakultas Sains dan Teknologi Universitas Jambi Bagus Adhitya; Hari Wiki Utama; Anggi Deliana Siregar; Magdalena Ritonga; Yulia Morsa Said
Transformasi: Jurnal Pengabdian Masyarakat Vol. 17 No. 2 (2021): Transformasi Desember
Publisher : LP2M Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/transformasi.v17i2.4020

Abstract

[Bahasa]: Geologi Struktur adalah salah satu mata kuliah yang ada pada kurikulum Program Studi Teknik Geologi, Teknik Pertambangan dan Teknik Geofisika yang dikelola oleh Jurusan Teknik Kebumian. Mata kuliah ini mempelajari bentukan atau struktur batuan penyusun kerak bumi, arsitektur batuan penyusun kerak bumi, dan bagaimana proses pembentukan struktur geologi. Identifikasi masalah yang ditemui adalah belum optimalnya hasil pembelajaran pada mata kuliah geologi struktur pada masa pandemi karena tidak adanya alat praktikum yang dapat digunakan untuk menggantikan kegiatan observasi lapangan. Di sisi lain observasi lapangan terhadap struktur geologi secara langsung sulit untuk dilaksanakan dan memiliki resiko yang cukup besar. Solusi dari permasalahan tersebut adalah dilakukan pembuatan maket geologi struktur taman bumi (Geopark) Merangin, Jambi. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk membuat maket geologi struktur sebagai bahan ajar yang dapat menjadi alternatif pembelajaran dan praktikum pengukuran struktur dasar di masa pandemi Covid-19. Metode yang digunakan dalam menyelesaikan permasalahan mitra adalah metode problem solving. Dari hasil pengukuran strike & dip diperoleh kedudukan pada sayap kiri lipatan maket geologi struktur berarah N 218oE/38o (Barat Daya) sedangkan pada sayap kanan lipatan maket geologi struktur berarah N 25oE/24o (Timur Laut). Maket geologi yang dibuat memiliki struktur berupa antiklin dengan bagian tengah mengalami pergeseran karena struktur sesar. Hasil analisis data struktur sesar merupakan sesar mendatar naik kanan, dengan kedudukan bidang sesar N 42°E/66°, Plunge/Bearing 80°N 87°E, dan Rake 45°. Pembuatan maket geologi struktur sangat bemanfaat dalam menambah pemahaman mahasiswa pada mata kuliah geologi struktur. Mahasiswa dapat mengetahui pengukuran struktur dasar sebelum terjun ke lapangan secara langsung sehingga mereka akan lebih siap saat melakukan kuliah lapangan. Kata Kunci: maket geologi struktur, bahan ajar, geopark Merangin [English]: Structural Geology is one of the courses in the curriculum of Geological Engineering, Mining Engineering, and Geophysical Engineering managed by the Department of Earth Engineering. This course studies the formation or structure of the rocks that make up the earth's crust, the architecture of the rocks that make up the earth's crust, and how the geological structure is formed. The problems identified were the non-optimal learning outcomes in the structural geology course during the pandemic and the absence of practical tools that can be used for field observation activities. On the other hand, field observations of geological structures directly are very difficult to carry out and have great risks. The solution to this problem is to make a geological structure scale model of the Earth Park (Geopark) Merangin, Jambi. This community service program aims to create structural geology mockups as teaching materials that can be alternative learning and practicum for measuring basic structures during the Covid-19 pandemic. The method used in this program was problem-solving. From the result of the strike and dip measurement, the position was obtained on the left-wing of the geological model fold of the structure withN N 218oE/38o direction (Southwest). While on the right-wing of the geological model fold of the structure, the direction was N 218oE/38o (Northeast). The developed geological scale model has a structure in the form of an anticline with the center shifting due to the fault. Data analysis resulted in the position of the fault plane N 42°E/66°, Plunge/Bearing 80°N 87°E, and Rake 45°. Making a structural geology scale model is very useful in increasing students' understanding of the structural geology course. They can know the measurement of basic structures before going to the field directly so that the students will be better prepared when doing the field trip. Keywords: structural geology mockup, teaching materials, merangin geopark
Identification of Isoklinal Folds Against the Effect of Sumateran Fault Force In Air Batu Village And Surrounding Merangin Jambi Geopark Magdalena Ritonga; Tobi Prayoga
Jurnal IPTEK Vol 26, No 1 (2022)
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2022.v26i1.2999

Abstract

The Merangin area, in particular, has experienced several tectonic phases and stages of change in the direction of the regional structure. In addition, on this island found, rocks of the Paleozoic age, their unique tectonic, geological system and constituent rocks will produce fascinating geological reconstructions. The unique tectonic design and constituent stones will have an absorbing geological reconstruction. The research methods include literature review, field observations, measurements, and studio analysis. Based on the literature and the research location approach, the research area is located in the physiographic zone of the Sumatera fault. Based on field observations, it is known that the constituent rocks are sedimentary, pyroclastic materials and intrusive granite rocks. The formations that arrange these rocks are the Mengkarang formation (Permian), the Tantan granite formation (Jurassic-Cretaceous), and the Kasai Formation (Tertiary). The fault data that passes through the building is the Sumatran fault with the position of Strike/Dip N322°E/76°, Bearing N135°E, and Rake 36°. This regional fault resulted in ductile rocks being repeatedly folded with an orientation approaching West-East; this can be observed in one of the fold data with the general direction of flank 1 N2850E/440 and the general rule of side 2 N136°E/42°. The result of the analysis is an anticline; this anticline occurs repeatedly and is referred to as an isoclinal fold perpendicular to the orientation direction of the Sumatran Fault. The pattern and movement of those folds and faults are by following under the concept of the wrench fault, which states that the fault strongly influences the formation of folds. Those folds will be perpendicular to the fault pattern.
Pengabdian Pelatihan Kelompok Pemandu Geowisata Di Desa Air Batu Kawasan Geopark Nasional Merangin, Kabupaten Merangin, Provinsi Jambi Anggi Deliana Siregar; D. M. Magdalena Ritonga; Yulia Morsa Said; Shazkya Annura Rizky; Obrin Trianda; Misnawati
Retii Vol 18 No 2 (2023): Prosiding Seminar Nasional ReTII ke-18 (Edisi Pengabdian)
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Desa Air Batu secara administrasi terletak di Kecamatan Renah Pemberap, Kabupaten Merangin Provinsi Jambi. Air Batu merupakan salah satu desa yang masuk dalam kawasan utama di Geopark Nasional Merangin Jambi yang memiliki potensi untuk dikembangkan menjadi daerah pariwisata tingkat nasional maupun internasional. Desa Air Batu memiliki potensi untuk pengembangan situs pariwisata umum maupun geowisata sebagai wisata minat khusus sebagai peningkatan ekonomi berkelanjutan. Hal ini memiliki nilai yang dapat meningkatkan kehidupan ekonomi masyarakat. Kelompok masyarakat yang akan dijadikan mitra dalam pengabdian kepada masyarakat kali ini adalah kelompok pemandu Georafting Air Batu River Saat ini kelompok masyarakat hanya memandu arung jeram bagi wisatawan yang datang, hal ini alangkah baiknya jika setiap pemandu juga memiliki pengetahuan tentang objek wisata mereka dalam memandu wisatawan nantinya.
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
BUSUR MAGMATIK GRANIT TANTAN-NAGAN SEBAGAI POTENSI REE DI JAMBI Said, Yulia Morsa; Bagus, Bagus Adhitya; Siregar, Anggi Delliana; Utama, Hari Wiki; Ritonga, Magdalena; Kurniantoro, Eko
KURVATEK Vol 4 No 2 (2019): November 2019
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v4i2.1569

Abstract

REE (Rare Earth Element) or Rare Earth Elements are minerals that contain one or more elements which contained in a group of 17 chemical elements, this group consists of the chemical group lanthanide (lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium) are added with scandium and yttrium. In the era of Industry 4.0 or modern industry REE (Rare Earth Element) is a very strategic commodity, the use of rare earth elements is needed in various fields ranging from the electronics industry, telecommunications, modern transportation industry and many more. The REE (Rare Earth Element) density in Jambi-Sumatra occurred since the Early Mesozoic period, which was preceded by the formation of the Tantan Granite Formation to the Cenozoic period in the form of the Nagan Granite Formation.. The research location is in the Manau River, Merangin Regency which is part of the Sunda magmatic arc consists of intrusions granodiorite plutonic rock with xenolites in the form of andesites, micro diorites and diorites in the Tantan Formation, and in Nagan Formation consistsof intrusion of granite, granodiorite and Adamelit rocks. It’s happen because the forming process of REE (Rare Earth Element) mineral deposits is strongly associated with the cooling of plutonic igneous rocks. The purpose of this study are to determine the geological condition of the study area and its relationship to the REE (Rare Earth Element) and to find the potential of REE contained in the Tantan Formation and Nagan Formation in Merangin District, Jambi Province.
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
Identification of Isoklinal Folds Against the Effect of Sumateran Fault Force In Air Batu Village And Surrounding Merangin Jambi Geopark Ritonga, Magdalena; Prayoga, Tobi
Jurnal IPTEK Vol 26, No 1 (2022): May
Publisher : LPPM Institut Teknologi Adhi Tama Surabaya (ITATS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.iptek.2022.v26i1.2999

Abstract

The Merangin area, in particular, has experienced several tectonic phases and stages of change in the direction of the regional structure. In addition, on this island found, rocks of the Paleozoic age, their unique tectonic, geological system and constituent rocks will produce fascinating geological reconstructions. The unique tectonic design and constituent stones will have an absorbing geological reconstruction. The research methods include literature review, field observations, measurements, and studio analysis. Based on the literature and the research location approach, the research area is located in the physiographic zone of the Sumatera fault. Based on field observations, it is known that the constituent rocks are sedimentary, pyroclastic materials and intrusive granite rocks. The formations that arrange these rocks are the Mengkarang formation (Permian), the Tantan granite formation (Jurassic-Cretaceous), and the Kasai Formation (Tertiary). The fault data that passes through the building is the Sumatran fault with the position of Strike/Dip N322°E/76°, Bearing N135°E, and Rake 36°. This regional fault resulted in ductile rocks being repeatedly folded with an orientation approaching West-East; this can be observed in one of the fold data with the general direction of flank 1 N2850E/440 and the general rule of side 2 N136°E/42°. The result of the analysis is an anticline; this anticline occurs repeatedly and is referred to as an isoclinal fold perpendicular to the orientation direction of the Sumatran Fault. The pattern and movement of those folds and faults are by following under the concept of the wrench fault, which states that the fault strongly influences the formation of folds. Those folds will be perpendicular to the fault pattern.
ESTIMASI SUMBERDAYA BATUGAMPING DI PT. SEMEN BATURAJA TBK KABUPATEN OGAN KOMERING ULU PROVINSI SUMATERA SELATAN Azizah, Nurul; Ritonga, Magdalena Ritonga; Marlinda, Lenny
JGE (Jurnal Geofisika Eksplorasi) Vol. 11 No. 1 (2025)
Publisher : Engineering Faculty Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jge.v11i1.475

Abstract

Limestone is a rock that is generally whitish, fine-grained, composed of calcium carbonate, and formed below sea level. The Sumatra region, especially in the South Sumatra region, has potential mineral resources in the form of limestone located in the Ogan Komering Ulu district. The study area is included in the Baturaja Formation (Nmb) with the Baturaja limestone unit and the Gumai Formation (Nmg) with the Gumai limestone unit, which are stratigraphically deposited in harmony. The formation of origin in the study area is divided into 2, namely the form of structural origin consisting of structural valley landforms (S1), and the form of anthropogenic origin consisting of non-mine landforms (A1), mine slope landforms (A2) and sump landforms (A3). In the research area in the field observations, there is a geological structure in the form of a right horizontal fault. With field observations and the presence of limestone resources in the research area, mining can be carried out in the area. In limestone mining, estimation is needed to be able to calculate resources before the mining process takes place. In this study, the depth of the limestone layer is modelled with a block model with the aim of being able to see the distribution of layers to be estimated. The estimation of limestone resources uses the Inverse Distance Weighting (IDW) method by estimating the value of the area that does not have an inferred value.
PETROGENESA TONALIT DAERAH IX KOTO SUNGAI LASI DAN SEKITARNYA, KABUPATEN SOLOK, PROVINSI SUMATERA BARAT Alkaf, Muhammad Rhezi; Marlinda, Lenny; Ritonga, D.M Magdalena
JOURNAL ONLINE OF PHYSICS Vol. 11 No. 1 (2025): JOP (Journal Online of Physics) Vol 11 No 1
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v11i1.48010

Abstract

Tonalit di Daerah IX Koto Sungai Lasi, Kabupaten Solok ,Provinsi Sumatra Barat terbentuk akibat dari proses magmatisme yang terjadi di pulau Sumatra pada zaman Kapur. Tonalit pada daerah penelitian menerobos beberapa formasi yaitu formasi Slet Tuhur dan Batugamping Tuhur. Penelitian ini bertujuan untuk mengetahui kondisi geologi, geomorfologi, karakteristik dari tonalit, proses pembentukan tonalit dan tipe dari granitoid. Metode yang digunakan pada penelitian ini adalah survey lapangan yang kemudian akan dikorelasikan dengan analisis petrografi dan analisis XRF ( X-ray Fluorescence) sehingga akan didapatkan jenis batuan, seri magma dan lingkungan tektonik batuan. Berdasarkan hasil analisis diagram peccerilo dan taylor, diagram Pearce, dan diagram Mullen dapat diketahui bahwa intrusi tonalit memiliki seri magma sub-alkaline , magma yang berasal dari kerak benua dan berada di lingkungan tektonik island calc-alkaline basalt
POTENSI SUMBERDAYA AIR SEBAGAI PEMBANGKIT LISTRIK TENAGA MIKROHIDRO (PLTMH) DALAM MENCAPAI SUSTAINABLE DEVELOPMENT GOALS (SDGS) DI DESA RANTAU KERMAS, KECAMATAN JANGKAT, KABUPATEN MERANGIN, PROVINSI JAMBI Deliana Siregar, Anggi; Juventa, Juventa; Ritonga, D.M. Magdalena; Rarasati, Niken; Annura Rizky, Shazkya
JOURNAL ONLINE OF PHYSICS Vol. 9 No. 1 (2023): JOP (Journal Online of Physics) Vol 9 No 1
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v9i1.28577

Abstract

          Energy resources are resources that can be processed by humans so that they can be used to meet energy needs. Water resources are a renewable natural resource that has a volume with constant conditions in the hydrological cycle. Microhydro Power Plant (PLTMH) is renewable energy that utilizes water resources as an energy producer where the energy produced is classified as small scale energy (less than 200 kW). Electrical energy is energy that is produced from changing other energy that has strength and capacity. Sustainable Development Goals (SDGs) are a new development agreement agreed upon at the UN general assembly in September 2015 with 17 goals to encourage changes towards sustainable development, one of which is regarding clean and affordable energy which is contained in point 7. The location of this research is to determine the potential and estimate the availability of energy to fulfill electricity needs in Rantau Kermas Village,ANGKAt District, Merangin Regency, Jambi Province.                                                                      Â