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Journal Geological Processes, Risks, and Integrated Spatial Modeling
Published by Universitas Prisma
ISSN : -     EISSN : 30464935     DOI : -
Core Subject : Science, Social, Engineering,
Energy Engineering Environmental Science
"Journal Geological Processes, Risks, and Integrated Spatial Modeling" (Jurnal Proses Geologi, Risiko, dan Pemodelan Spasial Terintegrasi) E-ISSN 3046-4935. Topik ini melibatkan pemahaman tentang berbagai proses geologi, risiko yang terkait dengan proses geologi, serta penerapan teknik pemodelan spasial untuk memahami dan mengelola risiko sebagai upaya pembangunan berkelanjutan. Proses geologi mencakup berbagai fenomena dan peristiwa yang terjadi di dalam maupun permukaan Bumi, seperti pergerakan lempeng tektonik, erosi, sedimentasi, aktivitas vulkanik, dan sebagainya. Proses geologi dapat menjadi pertimbangan terhadap risiko geologis dan dapat menjadi rujukan data untuk mengetahui pengaruh geologi terhadap lingkungan, dan infrastruktur. Seperti gempa bumi, letusan gunung api, longsor, erosi pantai, banjir, dan pencemaran tanah dan air oleh bahan kimia. Perkembangan ilmu dan data mengenai berbagai jenis proses geologis, faktor-faktor yang mempengaruhinya, serta konsekuensi sosial, ekonomi, dan lingkungan yang terkait. Jurnal ini juga membahas mengenai Pemodelan spasial terintegrasi melibatkan penggunaan teknologi untuk memvisualisasikan dan menganalisis data geologi secara spasial. Identifikasi pola dan tren, pemodelan risiko, serta pengambilan keputusan dalam pengelolaan risiko geologis.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Geologi
Articles 5 Documents
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Search results for , issue "Vol 2 No 2 (2024): Journal Geological Processes, Risk and Integrated Spatial Modeling" : 5 Documents clear
GEOLOGI DAERAH MINAWEROT DAN SEKITARNYA, KECAMATAN KAUDITAN, KABUPATEN MINAHASA UTARA, SULAWESI UTARA Luntungan, Paskah Richo; Budiharso, Agus Santoso; Rachmadhan, H.D.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 2 No 2 (2024): Journal Geological Processes, Risk and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

The research location is administratively in North Sulawesi Province, precisely in Kaima Village, Lembean Village, Kaasar Village and Treman Village, Kauditan District, North Minahasa Regency. It is located at the coordinates of 1°16'0"N to 1°17'45"N and 125°01'15"E to 125°03'15"E with an area of 16 km². Along with the improvement of technology and science about the earth along with the increase in the important role of geological maps, the existing updates to the geological map of Minawerot Region, Kauditan District, North Minahasa Regency, North Sulawesi Province with a larger scale of 1:10,000 meals will be able to produce more detailed geological maps to support exploration activities and development programs in the region. In this study, the researcher will identify the geological conditions that develop in the research area which include geomorphological aspects, stratigraphic aspects, geological structure aspects, and geological history aspects so as to produce geological maps, geomorphological maps and stratigraphic columns in the research area. The research method used is a field survey by directly observing the surface geological conditions in the research area which includes geomorphology, stratigraphy and geological structures. The geomorphology of the research area consists of 6 geomorphological units, namely Dissected Volcanic Hills, Volcanic Fluvial Plains, Volcanic Foothills, Eroded Hills, Volcanic Foothills and Lakes. The stratigraphy that developed in the research area consisted of the oldest to the youngest units, namely the Karegesan Andesite Igneous Rock Unit, the Kaima Tuff Breksi Unit, the Tuff Treman Breksi Repeating Unit, the Kaasar Lapili Tuff Unit and the Aluvial Unit. The structure in the research area is only obtained from primary geological structures. After pulling the straightness of the ridge and valley through the DEMNAS, the dominant direction was found, namely the Northwest and Southeast. The geological history that occurred in the research area began with the formation of the Karegesan Andesite Igneous Rock Unit, which was then continued with the deposition of the Tuff Kaima Breksi Unit and then the Tuff Kaima Breksi Repeating Unit. Then it was continued with the deposition of the Kaasar Lapili Tuff Unit and the last one was deposited the Aluvial Unit in the form of loose sediment
Geologi Daerah Likupang Satu dan Sekitarnya Kecamatan Likupang Timur Kabupaten Minahasa Utara Sulawesi Utara Rumajar, Reyva; Momongan, Andrew
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 2 No 2 (2024): Journal Geological Processes, Risk and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

Administratively, the research area is located in Likupang Satu, Likupang Timur District, North Minahasa Regency, North Sulawesi, with geographical coordinates at UTM zone 51N 728895 – 732851 mT and 180463 – 184492 mU. This study was conducted to understand the geological conditions of the research area, including its geomorphology, stratigraphy, geological structures, and geological history. The research methodology involved several stages: preparation, fieldwork, data processing, and data presentation. The results of the study show that the geomorphology of the research area is divided into five units: Lava Flow Ridge Unit, Pyroclastic Flow Ridge Unit, Lava Flow Plain Unit, Pyroclastic Flow Plain Unit, and Swamp Plain Unit. The stratigraphy of the area consists of four rock units arranged from oldest to youngest: Andesite Lava Igneous Rock Unit, Tuff Unit, Sandstone Unit, and Alluvial Deposit Unit. The geological structure in the area is characterized by jointed faults. The geological history of the area during the Quaternary period indicates that the andesite lava igneous rock was formed from the eruption of an ancient volcano, flowing through the research area. Subsequently, pyroclastic tuff was deposited on top of the lava rock, followed by the deposition of sandstone, and finally, the alluvial deposits have continued to accumulate up to the present day.
ANALISIS MIKROFASIES BATUGAMPING DAERAH BATU CERMIN FORMASI BEBULUH, KOTA SAMARINDA, PROVINSI KALIMANTAN TIMUR Mangalik, Dian; Syam, Muhammad Amin; Puteri, Resty Intan
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 2 No 2 (2024): Journal Geological Processes, Risk and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

The research area is located in Batu Cermin, Sempaja Utara sub-district, North Samarinda district, Samarinda City, East Kalimantan Province. Batu Cermin is one of the contributors of limestone as a building material for Samarinda and its surrounding areas. Currently, the existence of limestone in the form of outcrops is gradually diminishing due to extensive limestone mining, which necessitates research focused on limestone in this region so that information regarding all aspects of limestone can be documented through the research findings. The main objective of this study is to determine the facies with classifications according to Dunham (1962) and Embry & Klovan (1971), as well as to determine the depositional environment of limestone based on the Standard Microfacies (SMF) according to Flügel (1982), and then to relate it to the Facies Zones according to Wilson (1975).The methods used in this study are descriptive and analytical. The descriptive method is employed to make predictions and derive benefits from a problem that needs to be solved, while the analytical methods used include petrographic analysis, microfacies analysis, and stratigraphic analysis. Field and laboratory observations through descriptions reveal that the Batu Cermin area consists of facies units of mudstone, floatstone, wackestone, grainstone, and sandstone. Referring to the Standard Microfacies (SMF) according to Flügel (1982), it falls under SMF 8 and SMF 11. When linked to Facies Zones (FZ) according to Wilson (1975), the limestone in the research area is deposited in environments of FZ 7 (Open Marine) and FZ 6 (Platform Margin Sand Shoals).
Fasies Gunungapi Soputan, Daerah Kilometer Tiga Dan Sekitarnya, Kecamatan Amurang, Kabupaten Minahasa Selatan, Sulawesi Utara Tandipajung, Jeremy; Rachmadhan, H.D.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 2 No 2 (2024): Journal Geological Processes, Risk and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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This research was conducted to reveal the geological characteristics and facies of volcanoes in the Kilometer Three area and its surroundings, Amurang District, South Minahasa Regency, North Sulawesi. The research area is part of Mount Soputan, one of the active volcanoes in North Sulawesi, which shows complex volcanic dynamics due to tectonic interactions between the Eurasian Plate and the Maluku Sea. Research methods include field surveys, geomorphological observations, geological mapping, petrographic analysis, and evaluation of geological structures. The results of the study identified four main geomorphological land forms, namely volcanic foothills, volcanic foothills, denunated volcanic hills, and fluvial plains. The stratigraphy in this area consists of six rock units, including alluvial units, lapili tufts, volcanic brecci, and porphyry andesite, reflecting variations in volcanic deposition and erosion processes. Analysis of geological structures reveals the presence of structures that develop due to intensive tectonic activity. Based on the distribution of volcanic materials and stratigraphic characteristics, this area is classified into the distal facies of Mount Soputan, which is characterized by the dominance of pyroclastic materials such as tuff and breccia. The geological potential of this area includes abundant stone mining resources, but it is also accompanied by geohazard risks such as landslides due to steep slope morphology and unconsolidated materials.
Karakteristik Geomorfologi dan Stratigrafi Daerah Lambak , Kecamatan Ratatotok, Sulawesi Utara Kakambong, Stela; Rachmadhan, H.D.
Journal Geological Processes, Risks, and Integrated Spatial Modeling Vol 2 No 2 (2024): Journal Geological Processes, Risk and Integrated Spatial Modeling
Publisher : LPPM Universitas PRISMA

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Abstract

This study was conducted in Lambak District, Ratatotok District, Southeast Minahasa Regency, North Sulawesi, to identify geomorphological and stratigraphic characteristics that reflect the complex geological history of the area. The methods used include geomorphological mapping, field observations, and petrographic analysis. The study area has two main geomorphological origins: structural and denudational. Structural forms include hills controlled by geological structures such as faults and folds, while denudational forms are dominated by hills resulting from intensive erosion processes. The stratigraphy of this area includes alluvial units, limestone (packstone and crystalline), and andesite intrusions. These units show a geological history that is closely related to tectonic and volcanic activity in the Sangihe magmatic arc during the Middle Miocene. The river drainage patterns in the study area, such as parallel, sub-dendritic, and trellis patterns, are strongly influenced by the geological structure and lithology of the rocks. The results of this study provide an important contribution to understanding the potential of geological resources, including mineralization and groundwater, as well as mitigating the risk of natural disasters such as landslides and tectonic deformation. The data produced is expected to support sustainable exploration of natural resources in this region.

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