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All Journal Bulletin of Scientific Contribution : Geology Journal of Geoscience, Engineering, Environment, and Technology Journal of Geosciences and Applied Geology

Kurnia Arfiansyah, Kurnia

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Author-ID : 604916

Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Engineering Environmental Science Physics

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Stratigraphy Seismic and sedimentation Development of Middle Baong Sand, Aru Field, North Sumatera Basin Natasia, Nanda; Syafri, Ildrem; Alfadli, Muhammad Kurniawan; Arfiansyah, Kurnia
Journal of Geoscience, Engineering, Environment, and Technology Vol 1 No 1 (2016): JGEET Vol 01 No 01 : December (2016)
Publisher : UIR PRESS

This paper defines the stratigraphic sequence focused on Middle Baong Sand. The analyses aim to understand the sedimentation pattern regarding to sequence stratigraphy model including its lateral and vertical succession based on seismic and well data. The study can be used in ranking the prospect for new oil field. Based on the analyses in 39 seismic sections and 2 wireline log, the area are consist of three depositional sequences, namely sequence I (consist of HST I) Sequence II (consist of TST II and LST II), and Sequence III (consist of TST III).  Baong Formation are deposited when the sea level are rising regionally at Middle Miocene (N7-N15) makes the sediment deposited in deep water environment. while Middle Baong Sand are deposited in the minor falling stage placed at N13 (Middle of Middle Miocene). In this episode, there is a change in depositional setting from bathyal to middle neritic. Clastic origin of this deposits were interpreted came from South-South West direction or from Bukit Barisan where at that time is started to uplift.

GEOLOGICAL STRUCTURE OF CITUNDUN AND SURROUNDING CIWARU DISTRICT, KUNINGAN REGENCY, WEST JAVA PROVINCE Arfiansyah, Kurnia; ICHSAN, MUHAMAD; Patonah, Aton
Journal of Geological Sciences and Applied Geology Vol 6, No 1 (2022): Journal of Geological Science and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v6i1.45212

Based on the Regional Geological Map of the Majenang sheet (Kastowo and Suwarna, 1996), the study area is part of the Halang Formation and the Bogor Zone (Van Bemmelen, 1949). Research conducted using the geological mapping method shows that the Citundun area and its surroundings have complex geological and tectonic structural conditions.The geological structures that develop are folds, joints and faults. The fold structure in the study area occurs during the Miocene – Pliocene transition with the main axis of the fold trending relatively northwest – southeast where from north to south, namely the Karangkancana Anticline, Kaduagung Syncline, Kaduagung Anticline, Cipari Syncline, Cipari Anticline, Sagara Syncline, Sagara Anticline, Jabranti Syncline, and Jabranti Anticline.Based on joint processing data and structural lineaments, the lineament results trending northwest-southeast and southwest-northeast. Joint structures are found in carbonate sandstones and carbonate claystones with hard and rather hard levels of hardness. In the study area, there are two strike slip fault structures, namely Sagara Sinistral Strike Slip Fault and Cipari Dextral Strike Slip Fault which are trending northeast-southwest. From the results of joint data analysis, a fault indication was withdrawn because the distribution of joint directions was supportive. Based on the regional tectonic age of West Java, during the Miocene - Pliocene the fault in the study area occurred after deposition of sandstone unit (Sbpn), carbonate claystone unit (Sblk) and carbonate sandstone unit (Sbpk) so that this fault structure is interpreted to be Pliocene in age. Referring to the concept of Moody and Hill (1956), the faults in the study area are strike slip faults of the first and second order.Keywords: Citundun, Geological Structure, Syncline, Anticline, Strike Slip Fault.

Linking Petrography And Petrophysical Analysis In Carbonate Reservoir Characterization: Case Study In Baturaja Formation Offshore Northwest Java Natasia, Nanda; Alfadli, Muhammad Kurniawan; Arfiansyah, Kurnia; Hardiyono, Adi; Barkah, Mohamad Nursiyam; Haryanto, Iyan
Journal of Geological Sciences and Applied Geology Vol 2, No 2 (2017): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v2i2.13448

AbstractLinking geological analysis with petrophysical characterization in complex carbonate reservoir is a chalangging task. Many previous researcher has proofed that depositional facies in carbonate reservoir has very little advantages in reservoir quality due to overprinted with diagenetic facies. The difficulties in characterized the carbonate may rise because one does not include some genetic, geometrical and petrophysical character of the pore space, both geometry and distribution. The aim of this study is to evaluate the reservoir rock typing in carbonate reservoir by comparing rock-fabric descriptions analyzed in thin section with laboratory measurements of porosity, permeability, capillarity, and Archie m values. Methodology employed for this study involved the examination of thin sections and the integration of routine analysis data following lucia’s pore classification scheme. The first step in characterized the petrophysical class is the determination of interparticle porosity by substracting the separate vug porosity from total porosity. The separate vug porosity is estimated in petrographic analysis in 325 thin section samples. Than estimating the value for un cored interval by determining the relationships between total porosity, separate vug porosity and sonic interval transit time. The petrographic analysis to estimating the separate vug porosity is a qualitative way, and so the value is not quantitative, but the trend is still implies the value so the relationships between porosity and sonic log can be quantified. Calibration of pore types to acoustic log response is accomplished by making a detailed log of porosity types described from thin sections and constructing Z-plots of total porosity and transit time from logs and separate-vug porosity from thin sections . The “m” value (lithology exponent or cementation factor) is different from the other terms in the Archie equation in that it is related to rock fabrics, specifically to vuggy porosity. Reservoir characterization by using this scheme has proofed that geological analysis made in detailed thin section can be a helpfull tool since the validation in tested and produced interval shows a verry good relationships. Keywords : Reservoir Characterization, Baturaja Fm., Carbonate, Petrophysics.

Geotourism Potential on Geosites in Natuna Geopark Pratiwi, Prisca Nurul; Rosana, Mega Fatimah; Arfiansyah, Kurnia
Journal of Geological Sciences and Applied Geology Vol 5, No 2 (2021): Journal of Geological Science and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v5i2.34904

Natuna is a district located in the Riau Islands Province. The Natuna area, consist of several islands. The main island namely Bunguran island, where the capital city of Natuna Regency is located. The islands have several rare geological heritages that has national and international significant value. The islands also have been designated as Natuna National Geopark since 2018. The purpose of this study is to analyze the potential of geotourism in several geological site of the Natuna Geopark. The research method used is collection and data analysis from secondary data that available, The geotourism components category are used classification by Newsome & Dowling (2010). Some geological diversities are used as geosites that has potential to be development as geotourism area. The results show that several geological sites in the Natuna Geopark can be developed and used as geotourism activities including: geosite for sightseeing; geo-sports; geo-study; geo-conservation and geo-education; and geo-festival. There are 11 geosites that have the potential to develop geotourism components, including Bukit Gundul, Gunung Ranai, Tanjung Senubing, Tanjung Datuk, Pantai dan Gua Kamak, Gugus Pulau Tiga, Pulau Senoa, Bukit Kapur, Pulau Akar, Pusat Informasi Geologi, and Batu Rusia. Some of the sites are already facilitated with infrastructure for tourism.Keywords: Geotourism, Geosite, Geological Heritage, Natuna Geopark.

MANAGEMENT OF THE BATUR GEOPARK AS GEOLOGICAL CONSERVATION BASIS Hadian, Sapari Dwi; Suganda, Bombom Rachmat; Sunarie, Cecep Yandri; Barkah, Mochamad Nursiyam; W M Iskandarsyah, Teuku Yan; Bulqiah Ulfa, Ratu; Krishna Yuliawati, Ayu; Arfiansyah, Kurnia
Journal of Geological Sciences and Applied Geology Vol 6, No 1 (2022): Journal of Geological Science and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v6i1.45208

The Batur Caldera is located in Kintamani District, Bangli Regency, Bali Province. The coordinates are 8 0 14.30' South Latitude, 115 0 22.30 East Longitude. The closest city distance is Bangli. The Batur Caldera contains the Batur Volcano and to the right is Lake Batur. Around it, in accordance with the beliefs of the local community, there are many temples, such as Besakih Temple and Pasar Agung Temple.Indonesia's success in making the Batur Caldera a Geopark recognized by UNESCO, thanks to the hard work of the Bangli Bali Regent/Pemda, Kemenparekraf, ESDM Geology Agency. In an effort to promote themselves and improve the quality of Batur Caldera geopark tourist destinations.Indonesia's wealth consisting of flora, fauna, cultural diversity, is a tourism asset that Indonesia already has that is able to realize love for national diversity as well as national unity. In addition, geological heritage (geoheritage) and sustainable geological diversity are the beginning of a geological park (geopark) towards nature-based tourism activities (geotourism). Geopark is the protection of cultural and natural heritage by emphasizing the potential between socio-economic and cultural development and the preservation of the natural environment. Geotourism as an earth heritage contains geological sites, which can produce science, scarcity, beauty, and education. Referring to conservation, education, and local economic growth.In realizing Geotourism in Indonesia, it is necessary to have the role of Tourism Stakeholders, namely a group of tourism actors who are responsible for implementing tourism that is responsible for preserving nature and is sustainable, including the Central Government, Regional Government, Private sector, and the Indonesian Tourism Promotion Agency.The government is supervised by the Ministry of Tourism and Creative Economy which is handed over to the Culture and Tourism Office in each region in the development of infrastructure, policies, regulations and promotions. In addition, the Geology Agency, as an institution that carries out geological conservation efforts in the context of sustainable development, is planning and preparing to organize the Geotourism. Besides that, there is the role of the community, several expert institutions in their fields to empower the community to be able to participate in the geotourism industry. Keyword : Geopark, Geotourism, Stakeholders, Batur Caldera

IDENTIFICATION OF MASS MOVEMENT VULNERABILITY ZONES USING STORIE METHOD IN BARUNAI AND SURROUNDING AREAS, LEBAK REGENCY, BANTEN PROVINCE Hutauruk, Gita Agnes Meilani; Yuningsih, Euis Tintin; Patonah, Aton; Arfiansyah, Kurnia
Journal of Geological Sciences and Applied Geology Vol 8, No 2 (2025): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v8i2.58072

Natural processes cause mass movement when slope materials, such as soil, rock, and mixed materials, shift from their original positions in a vertical, horizontal, or inclined orientation. A number of factors, including a relatively steep slope, the status of the rock or soil that forms the slope, intense rainfall, unchecked human activity that exploits the environment, and the state of geological structures, contribute to the movement. The research site is located in Cihara District, Lebak Regency, Banten Province, specifically in the Barunai area. Because of their proximity to fault lines and subduction zones, these study areas are susceptible to mass movement, particularly during the wet season. The goal of this study is to pinpoint the regions that are most vulnerable to mass movement. By determining the parameter that is thought to influence mass movement, the Storie method is one technique used to pinpoint the places that are vulnerable to it. The parameters include factors like land usage, type of soil, rainfall, slope, lithology, and geological structures. The research locations are categorized into two levels of mass movement vulnerability based on the analysis result: high, as much as 34.1%, and moderate as much as 65.9%, across the entire research region.

LITHOLOGY UNITS WANAJAYA AREA AND SURROUNDING, BUAHDUA SUBDISTRICT, SUMEDANG DISTRICT, WEST JAVA PROVINCE Ganjar Gani, Reza Moh; Firmansyah, Yusi; Arfiansyah, Kurnia; Efendi, Tri Septanto; Rodhiya, Azzam Robbi
Journal of Geological Sciences and Applied Geology Vol 8, No 2 (2025): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v8i2.61082

The research site is located in Wanajaya Village, Buahdua Subdistrict, Gunung Kidul Regency, West Java Province. Accessibility to the research location using a motorbike. The purpose of this study is to determine the geological conditions of the study area in terms of lithological units and stratigraphic order. The lithological unit of the study area is divided into 4 lithological units, namely the Mudstone Unit, the Andesite Intrusion Unit, the Volcanic Breccia Unit and the Andesite Lava Unit, namely the naming of rock units based on observable physical characteristics, including rock type, uniformity of lithological symptoms and stratigraphic position. The geological history of the first research site in the Late Miocene to Early Pliocene time was deposited by the mudstone unit. In the late Pliocene to Pleistocene volcanism activity occurred due to the displacement of the volcanic centre from the south to the centre of Java (Martodjojo, 1984) which caused the formation of the wanajaya fold and continued with the formation of the wanajaya ascending fault. As a result of the weak fault zone, the andesite intrusion unit appeared, which was the beginning of the activity of the old volcano. In Pleistocene time, namely deposition of Volcanic Breccia Unit and continued by the deposition of andesite lava unit due to volcanism activity of Tampomas volcano issued pyroclastic material.

LITOFASIES ENDAPAN KUARTER DI WILAYAH DKI JAKARTA Listyono, Girlly Marchlina; Arfiansyah, Kurnia; Natasia, Nanda; Alfadli, Muhammad Kurniawan; Pranantya, Pulung Arya
Bulletin of Scientific Contribution Vol 14, No 1 (2016): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Bay of Jakarta is covered of Qartenary deposits with terrestrial deposits intercalation with marine deposits. Interaction between those depositional environment produce deposits which have lithofacies variation. Rapid development of Jakarta impact on impossibility in finding outcrop. This research gives changes for detailed Quarternary deposit lithofacies study through 22 wells with depth range about 120-450 metres and depth total 6.556,61 metres. Terrestrial deposit characterized by domination of relatively coarse clastics and content of remaining roots, woods, plants, high content of quartz, lithic fragment, calcareous and oxidated appearace. Marine deposit characterized by finer clastics, contain remain of shells, fosil, coral, limestone fragments, glauconites, calcareous. The lithofacies variation of Quartenary depost from the wells indicate lateral and vertical variation change, also on coastline shifting either by transgression or regression. Keywords : deposits, Jakarta, quartenary, sediment Jakarta merupakan daerah teluk yang tersusun oleh endapan kuarter dengan karakteristik litologi yang beragam. Sedimen penyusun endapan kuarter Jakarta dipengaruhi oleh proses sedimentasi lingkungan pengendapan darat dan laut. Interaksi antara dua lingkungan pengendapan tersebut menghasilkan endapan yang memiliki variasi litofasies. Dengan pesatnya pembangunan di Jakarta menjadikan kesempatan untuk melihat singkapan sangat kecil. Penelitian ini memberikan kesempatan untuk melihat litofasies endapan kuarter Jakarta dengan lebih jelas melalui 22 sumur bor dengan kedalaman berkisar 120 – 450 meter dan total tebal 6.556,61 meter. Endapan darat dicirikan oleh dominansi klastika yang relatif kasar dan kandungan sisa akar, kayu, tumbuhan, kaya butiran kuarsa, fragmen litik, kerikilan, serta sifat karbonatan dan kenampakan teroksidasi. Batas antara keduanya sepanjang periode Kuarter memperlihatkan variasi secara vertikal dan lateral dan perubahan garis pantai baik transgresi maupun regresi. Kata Kunci : endapan, Jakarta, kuarter, sedimen

GENESIS AMFIBOL PADA DIORIT PASIR CUPU, KECAMATAN PLERED, KABUPATEN PURWAKARTA, JAWA BARAT Arfiansyah, Kurnia; Helmi, Faisal
Bulletin of Scientific Contribution Vol 16, No 3 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Pasir Cupu secara administratif terletak pada Kecamatan Plered, Kabupaten Purwakarta, Propinsi Jawa Barat. Batas geografisnya terletak pada garis Bujur Timur 107o 26’ 25,2” – 107o 27’ 16,8” dan garis Lintang Selatan 6o 37’ 22,8” – 6o 37’ 03”.Batuan beku Pasir Cupu adalah batuan intrusi berbentuk bos, yang berjenis diorit (Streckeisen, 1978 dalam Gillespic and Styles, 1999). Dalam batuan ini terdapat amfibol, baik sebagai fenokris, dan masadasar. Jenisnya klinoamfibol (horenblenda dan lamprobolit) ; berbentuk euhedral dan anhedral ; memiliki pleokroisme lemah sampai kuat ; berkembar sederhana, jamak, dan penetrasi ; pemadaman bergelombang ; serta bertekstur zona, korona, dan koroded. Pembentukan amfibol ini melalui dua fasa kristalisasi, yaitu amfibol fenokris, dan inklusi pada fasa pertama, dan amfibol masadasar pada fasa ke dua.Kata kunci : Amfibol, diorit, pasir cupu, purwakarta.

ANALISIS FASIES RESERVOIR A FORMASI MENGGALA DI LAPANGAN BARUMUN TENGAH, CEKUNGAN SUMATRA TENGAH Natasia, Nanda; Syafri, Ildrem; Alfadli, Muhammad Kurniawan; Arfiansyah, Kurnia
Bulletin of Scientific Contribution Vol 15, No 2 (2017): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

ABSTRAKLapangan Barumun Tengah adalah lapangan yang baru dikembangkan semenjak ditemukannya potensi hidrokarbon pada sumur eksplorasi BT-1 pada lapisan batupasir A dan B tahun 1984. Pengambilan data baru berupa sumur pengembangan dan seismik 3D dapat digunakan untuk melihat pola sebaran lateral dan geometri batupasir yang sesuai dengan model lingkungan pengendapan yang diajukan, sehingga diperlukan studi lebih lanjut untuk memahami tipe fasies, distribusi lateral, geometri dan kualitas reservoir pada reservoir batupasir A. Kelompok Sihapas berumur Awal Miosen menindih tidakselaras terhadap Formasi Pematang. Formasi ini mengandung batupasir dengan ukuran butir medium-coarse dan batulempung yang diendapkan pada delta plain- delta front. Ketebalan pada Formasi Lower Sihapas di sumur BT-1 adalah 130 kaki dan terdapat 4 batupasir individu berukuran 40kaki, 8kaki, 30kaki, dan 10kaki masing-masing. Sedangkan pada sumur BT-2 ketebalan Lower Sihapas 150kaki dengan 4 batupasir individu juga masing-masing 53kaki, 23kaki, 5kaki, 22kaki. Berdasarkan deskripsi litofasies, maka dapat diinterpretasikan asosiasi fasies yang terdapat pada sumur BT-3 terdiri dari dua asosiasi fasies (genetic unit). Kata kunci: Fasies,Formasi Menggala, Sumatera Tengah ABSTRACTBarumun Tengah is one of newly developed field since the discovery of hidrocarbon potential in BT-1 Well on Sand A and B in 1984. Newly well and seismic data taken was able to determinate the geometry and lateral distribution of the sand facies. But the new integrated study to understand the facies type is needed. The Early Miocene Sihapas group was deposited unconformitely the Older Pematang Group, Consist of medium to coarse sandstone and shale deposited in delta plain to delta front environment. Thickness of the sand in BT-1 sand is aproximately 130 ft in total with 4 separated sandstone layer, from bottom to top 40ft, 8 ft, 30ft, and 10ft. while thickness in BT-2 Well 53ft, 23ft, 5ft, and 22ft respectively. Based on litofacies description, there are two genetic unit can be found. Keyword: Facies, Menggala Formation, Central Sumatera

Co-Authors Adi Hardiyono, Adi Aton Patonah, Aton Barkah, Mohamad Nursiyam Bombom Rachmat Suganda, Bombom Rachmat Bulqiah Ulfa, Ratu Cecep Yandri Sunarie, Cecep Yandri Efendi, Tri Septanto Euis Tintin Yuningsih Faisal Helmi Ganjar Gani, Reza Moh Girlly Marchlina Listyono, Girlly Marchlina Hutauruk, Gita Agnes Meilani Ichsan, Muhamad Ildrem Syafri Iyan Haryanto, Iyan Krishna Yuliawati, Ayu Mega Fatimah Rosana Mochamad Nursiyam Barkah Muhammad Kurniawan Alfadli Nanda Natasia Pratiwi, Prisca Nurul Pulung Arya Pranantya, Pulung Arya Rodhiya, Azzam Robbi Sapari Dwi Hadian, Sapari Dwi Syauly, Nunik Isnani W M Iskandarsyah, Teuku Yan Yusi Firmansyah, Yusi

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