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All Journal Indonesian Journal of Geography Bulletin of Scientific Contribution : Geology IJOG : Indonesian Journal on Geoscience Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktik dalam Bidang Pendidikan dan Ilmu Geografi Jurnal Teknologi Mineral dan Batubara Journal of Geoscience, Engineering, Environment, and Technology Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) Indonesian Mining Journal Buletin Sumber Daya Geologi JURNAL SUMBER DAYA AIR Kumawula: Jurnal Pengabdian Kepada Masyarakat Indonesian Journal on Geoscience Indonesian Journal on Geoscience Jurnal Perspektif Pembiayaan dan Pembangunan Daerah Journal of Geoscience Engineering and Energy (JOGEE) Jurnal Geominerba Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknologi Mineral dan Batubara Journal of Geosciences and Applied Geology Indonesian Mining Journal Geoid - Journal of Geodesy and Geomatics
Emi Sukiyah
Fakultas Teknik Geologi Universitas Padjadjaran
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GEOMORFOLOGI TEKTONIK DAERAH ALIRAN SUNGAI CIWIDEY DAN CISANGKUY DI CEKUNGAN BANDUNG Nendi rohaendi; Emi Sukiyah; Dicky Muslim; Athanasius Cipta
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 6 No 1 (2021): Jurnal Geominerba - 2021
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5431.647 KB)

Abstract

Bandung urban area is located in the intra-mountain basin which is part of upstream Citarum watersheds. The aim of the research is to analyse tectonic geomorphology of sub-watershed Ciwidey and Cisangkuy in the southern part of Bandung basin. The method use digital elevation image from DEMNAS combined with geological data. The result shows that the southern part of Bandung basin is tectonically active. This information is significant to evaluate existing spatial planning based on natural hazard point of views.
PERANAN LITOLOGI TERHADAP EROSI PADA DAS CIMANUK BAGIAN HULU Denny Lumban Raja; Emi Sukiyah; Nana Sulaksana; Cipta Endyana
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 5 No 2 (2020): Jurnal Geominerba 2020
Publisher : PPSDM Geominerba

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Abstract

The upstream part of the watershed (DAS) extremely affects the downstream area, one of the erosion processes in the upstream and sedimentation processes in the downstream. This must be considered because excess sedimentation from downstream could potentially cause flooding. The rocks in the study area are dominated by volcanic rocks with various levels of resistance to erosion, from highly resistant lava to highly volatile volcanil materials. The research was conducted with studio analysis, laboratory analysis, normalization and correlation tests. The results of the study shows that the area has various values of erosion and sedimentation, because the Cimanuk watershed has various rock types due to volcanism. However, the value of erosion and sedimentation are directly proportional and highly correlated, this proves that indeed erosion in the upstream part highly affects sedimentation in the downstream part of the Cimanuk watershed.
KARAKTERISTIK GEOMORFOLOGI KAITANNYA DALAM PENENTUAN LOKASI RAWAN BENCANA LONGSOR DI CIKARANG DAN SEKITARNYA, KECAMATAN CISEWU, KABUPATEN GARUT, PROVINSI JAWA BARAT Sri Wahyuni; Emi Sukiyah
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 8 No 1 (2023): Jurnal Geominerba - 2023
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58522/ppsdm22.v8i1.114

Abstract

The potential for landslide in Cisewu area is included in the medium-high landslide potential zone. Cisewu area has a hilly landscape composed of Quaternary volcanic material. The existence of geological structures such as joint and faults increases the risk of landslides, especially during the rainy season. This research aims to identify and analyze geomorphological characteristics and their relation in determining the location of landslide prone disasters. Research activities were conducted through a studio analysis using remote sensing methods with satellite imagery. The geomorphological aspects studied consist of slopes, drainage patterns, lithology and land use. Based on the results of interpretation, it is known that the research area has morphological characteristics of gentle to steep hills and drainage patterns influenced by geological structures. The research area is composed of volcanic products with a predominance of land use such as forests, plantations and fields, shrubs, rice fields and residential. Based on field observations, it is known that the research area has the potential for rockfall and translational landslide. Therefore, it is necessary to have good regional planning to minimize the impact of landslides in the future.
Analisis Multi Raster SRTM, Radarsat dan Landsat untuk Karakterisisasi Morfo-struktur dari Geometri Sesar di Daerah Binuang, Kalimantan Selatan Jamal Jamal; Nana Sulaksana; Emi Sukiyah; Yoga Andriana Sendjaja
Jurnal Geologi dan Sumberdaya Mineral Vol. 20 No. 1 (2019): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v20i1.405

Abstract

The Binuang area and its surroundings are genetically structural landforms which characterized by cuesta ridge line with curve lineaments pattern on northeast-southwest direction. Geomorphological approach were carried out to determine structural geometry of geological surface using qualitative and quantitative approach on multiple map analysis of remote sensing data. The result of quantitative analysis on elevation data are used to classify heights, slope shape and steepness, lineaments, drainage, and slope aspect. Optical images were classified to determine lithological pattern and boundaries through analysis of band ratios, decorrelation stretch, principal component, and spatial enhancement. The research area are classified into eight class of structural landforms, depicting deformations that occured in western flank of Meratus Mountains. The surface pattern indicates the influence of compressional stress, shown by fold belt with longitudinal characteristic and fault-bounded anticlines on northeast-southwest axis. The formation of main structure pattern on research area was compared with that on strike-slip fault analog model. The resulting correlation factor, R=0.932, shows that both of them are highly correlated. In conclusion, surface structure can possibly form another variation of thrusted mountain belt, such as thrust-dominated restraining bends.Keywords: landsat, SRTM, morphostructure, morphometry, rhomboidal pattern, Meratus.
Morphotectonic Characteristics Of Cisadane Watersshed Based On Satellite Images Analysis Sonny Mawardi; Emi Sukiyah; Iyan Haryanto
Jurnal Geologi dan Sumberdaya Mineral Vol. 20 No. 3 (2019): Jurnal Geologi dan Sumberdaya Mineral
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v20i3.464

Abstract

Cisadane Watershed is one of the most rapidly growing areas and infrastructure development, and has developed as a residential, industrial, administrative centers and other economic activities. The purpose of this paper is to use remote sensing satellite imageries to identify the morphotectonic characteristics of the Cisadane watershed both qualitatively and quantitatively. Processing stereomodel, stereoplotting and stereocompilation on TerraSAR-X Digital Surface Model (DSM) and SPOT 6 imageries, produced the  Digital Terrain Model (DTM) image, which has not been affected by land cover. Fusion of the DTM  and Landsat 8 RGB 567+8 images  is used to interpret the distribution of lithology, geomorphological units, and lineaments, which are an indication of geological structures. The morphotectonic characteristics of sub-watersheds qualitatively was carried out a bifurcation ratio calculation (Rb) which indicates tectonic deformation. Based on the analysis of satellite images both qualitatively and quantitatively, the morphotectonic characteristics of the upstream, middle and downstream Cisadane Watershed have been deformed.Keywords : satellite images, morphotectonic, DSM, DTM, Cisadane Watershed.
Tectonic Control of the Nanggulan Formation Based on Morphometric Analysis in Kulon Progo, Indonesia Winarti Winarti; Emi Sukiyah; Ildrem Syafri; Andi Agus Nur
Indonesian Journal on Geoscience Vol. 9 No. 2 (2022)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.9.2.147-157

Abstract

DOI:10.17014/ijog.9.2.147-157Outcrop of Nanggulan Formation, surrounded by Old Andesite Formation (OAF) in the eastern part of Kulon Progo Dome, is very limited. Tectonic control is interpreted as a contributing factor. Tectonic activity can be shown by a morphometric aspect. The research purpose was to calculate the valley floor - valley height ratio, stream gradient index, and drainage density of Nanggulan and Old Andesite Formations. The method used is field survey and Shuttle Radar Topography Mission analysis. The field survey focused on Clumprit, Klepu, and Kalisonggo Rivers. The total number of valley segments for the Nanggulan Formation is 223 with the valley length of 4.62 km, while OAF is 101 with a valley length of 3.55 km. SRTM analysis showed that the valley segment in OAF was 55, and valley length was 1.48 km. The valley floor - valley height ratio measured in the Nanggulan Formation is ten valleys and OAF is eight valleys. In Nanggulan Formation, the valley floor - valley height ratio value is from 1.00 to 5.46 (low uplift), whilst in OAF, the results vary: as 1.35 to 4.58 (low uplift), 0.59 (medium uplift), and 0.43 (high uplift). The stream gradient index value of the Nanggulan Formation is 460.47 (medium tectonic), while OAF is 723.84 (high tectonic). The drainage density value of the Nanggulan Formation is 10.35 km/km2 (very smooth landscape texture) and OAF is 10.35 km/km2 (somewhat smooth landscape texture). Morphometry proves that Nanggulan Formation tectonic activity is more active, causing the Nanggulan Formation to be exposed to the surface.
The Investigation of Ultic Horizon on Andisols Derived from the Eruption of Mount Tilu (Pleistocene, Basaltic) in West Java, Indonesia Rina Devnita; Emi Sukiyah; Apong Sandrawati
Indonesian Journal on Geoscience Vol. 9 No. 2 (2022)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.9.2.159-172

Abstract

DOI:10.17014/ijog.9.2.159-172Ultic is the soil characteristics in soil taxonomy when argillic or kandic horizon is found within the depth of 125 cm with the base saturation of less than 35 % on the overall of upper 50 cm. The purpose of this research is to investigate whether ultic horizon was found in the soil developing from the Pleistocene eruption of Mount Tilu (basaltic parent materials), in West Java, Indonesia. The method used was descriptive and comparative surveys of three profiles in the area around Mount Tilu, including the investigation of andic soil properties and the formation of argillic or kandic horizon. The result showed that the soils fulfilled the requirements of andic soil properties to be classified as Andisols. Soil never dried for ninety days cumulative (udic) to be classified as Udands. There were Fulvudands and Hapludands in this location. Accumulation of clays was more than 1.2% higher than the overlying horizon found at the depth of 90, 79, and 51 cm in those three profiles. Base saturation in upper 50 cm ranged from 1.07 to 6.86 cmol kg-1 or less than 35 %, making the soils were classified as Ultic Fulvudands and Ultic Hapludands. The high rainfall in the tropics and Pleistocene age led to the leaching of clays for a long period to form the argillic horizon. The influence of rain was stronger than the basaltic parent materials in forming Ultic Hapludands. Basaltic parent material was not strong enough to produce base saturation of more than 35 %.
ANALISIS ZONASI LAHAN USAHA TAMBANG MENGGUNAKAN METODE K-MEANS CLUSTERING BERBASIS SISTEM INFORMASI GEOGRAFI Muhammad Lutfi; Emi Sukiyah; Nana Sulaksana
Jurnal Teknologi Mineral dan Batubara Vol 15 No 1 (2019): Jurnal Teknologi Mineral dan Batubara Edisi Januari 2019
Publisher : Balai Besar Pengujian Mineral dan Batubara tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30556/jtmb.Vol15.No1.2019.978

Abstract

Pembangunan berbagai sektor perekonomian di Indonesia memanfaatkan setiap ruang yang memberi dampak positif dan negatif. Perencanaan pembangunan Daerah Tingkat II yang disesuaikan dengan karakteristik, potensi dan kebutuhan daerahnya memanfaatkan sumberdaya mineral yang ada secara optimal. Oleh karena itu perlu dibuat suatu zonasi kawasan pertambangan, dengan pendekatan analisis spasial dan mempertimbangkan beberapa parameter agar tidak terjadi tumpang tindih dengan sektor lain. Penentuan zonasi lahan usaha tambang telah banyak dilakukan, di antaranya menggunakan metode statistik K-Means Clustering yang berbasis sistem informasi geografi (SIG). K-Means Clustering adalah metode pengujian pengelompokkan potensi bahan tambang di satu wilayah berdasarkan kriteria keruangan (spasial) yang mengacu kepada karakteristik bukan keruangan (non-spasial). Hasil analisis menunjukkan bahwa zonasi kawasan pertambangan dikelompokkan ke dalam tiga kelompok yaitu kelompok 1 dengan persentase 60,99%, kelompok 2 sebesar 20,63% dan kelompok 3 sebesar 16,38%. Metode ini dapat digunakan untuk memilah suatu daerah yang berpotensi bahan tambang untuk dijadikan lahan usaha tambang serta dapat dialokasikan untuk suatu Wilayah Pertambangan (WP).
PERBANDINGAN KARAKTERISTIK GEOLOGI PADA FENOMENA TUMBUKAN METEOR DI DAERAH CILETUH, JAWA BARAT DAN FENOMENA LAINNYA DI BERBAGAI BELAHAN DUNIA (LITERATURE REVIEW) Sambodo, Tri Hananto; Sukiyah, Emi; Hutabarat, Johanes; Endyana, Cipta
Bulletin of Scientific Contribution Vol 22, No 2 (2024): Bulletin of Scientific Contribution:GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/bsc.v22i2.51283

Abstract

Artikel ini memberikan pemahaman terhadap fenomena tumbukan meteor pada permukaan bumi, dari aspek geologi yang ditemukan, khususnya di daerah Geopark Ciletuh, Jawa Barat. Metode yang digunakan dalam penelitian ini adalah Systematic Literature Review (SLR), yang melibatkan analisis terhadap penelitian-penelitian sebelumnya yang telah dilakukan pada berbagai fenomena lain yang serupa di dunia. Hasil penelitian menunjukkan bahwa setiap fenomena benturan meteorit di bumi memiliki karakter geologi yang unik dan cenderung sama. Fenomena yang terjadi di daerah Ciletuh, Indonesia, salah satunya yaitu terdapat bukti unik berupa morfologi berbentuk cincin sebagai petunjuk terbentuknya kawah sederhana oleh karena dampak benturan, serta bukti lainnya ditemukannya struktur batuan yang menyerupai shatter-cone ditemukan di area kawah. Fenomena lainnya yang serupa dengan Ciletuh yaitu pada situs Yilan Crater di Cina, yaitu ditemukan bukti bentukan kawah yang menyerupai kawah sederhana dan bentukan punggungan perbukitan yang nampak unik. Penelitian lainnya juga mengungkapkan adanya anomali magnetik daerah Zagami Meteorite Impact Site di Nigeria, yang mengindikasikan kemungkinan adanya kawah tersembunyi yang menyerupai bentukan kawah sederhana hasil tumbukan yang melibatkan energi yang besar. Situs Lonar impact crater di India juga merupakan kawah dampak meteorit yang ditemukan pada permukaan basalt, beserta dengan danau kawah sentral yang menjadi daya tarik penelitian. Begitu pula pada situs lainnya seperti Barringer impact crater dan Bolaven volcanic field yang memiliki ciri dan persamaan akibat tumbukan meteor. Penelitian lebih lanjut tentunya diperlukan untuk memahami potensi adanya bukti keterjadian tumbukan meteor di Ciletuh tersebut, diantaranya melalui analisa photomicrograph maupun analisa lainnya yang mendukung. Secara keseluruhan, penelitian ini memberikan pemahaman yang lebih mendalam tentang keterjadian tumbukan meteor beserta bukti lapangan berupa bentukan lahan yang unik pada situs-situs benturan meteorit. Hasil tulisan ini dapat digunakan sebagai dasar untuk penelitian lebih lanjut dalam memahami proses pembentukan kawah, perubahan geologi dan lingkungan akibat tumbukan meteor. Kata kunci: benturan meteorit, ciletuh, geopark, geologi
THE SINISTRAL STRIKE SLIP FAULT AS AMPANA BASIN CONTROLLER IN CENTRAL SULAWESI Saragih, Rahmat Yantono; Haryanto, Iyan; Sukiyah, Emi; Ilmi, Nisa Nurul; Sunardi, Edy
Journal of Geological Sciences and Applied Geology Vol 2, No 4 (2018): 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.v4i2.18289

Abstract

The presence of gas seepage born in Tanjungapi precisely in the southwestern part of the basin.This remission is supposed to be formed from main rocks of Mesozoic aged. The condition ofAmpana Basin formation cannot be separated from the effect of the relatively northeast-southeastsinistral strike-slip-fault. Based on the 43 outcrop, the main deformation product was identified asan extensional/hybrid joint with a relatively west-east fault line structure on average shear strain(η) = 58o (+) to (η) = 60o (+) and in form of the relatively northwest-southeast strike-slip-faultstructure line with the range of shear strains value between (η) = 45o (+) to (η) = 54o (+). Thekinematics movement of relatively vertical main stress gives a subsidence impact on the surfaceof Mesozoic-Paleogenic aged rock. The sedimentation process of Neogene-aged clastic, from theBongka Formation, Kingtom Formation, and Lonsio Formation ran fast and make the lowerMesozoic-Paleogene-aged rock being burdened by the upper younger rocks. The tectonicdevelopment in Ampana Basin is recorded in Lonsio Formation, Bongka Formation, and limestonein the form of structural indication and deformation showing the period of Central Miocene toHolocene tectonic with the relatively west-east direction of the main regional stress. Keywords: Ampana basin, deformation, strike slip fault, Sulawesi, Tanjungapi
Co-Authors abdurrohman, Muhammad jihad Achmad Sjafrudin, Achmad Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Agung Mulyo Agus Didit Haryanto -, Agus Didit Haryanto Alam, Boy Yoseph Cahya Sunan Sakti Syah Algi Fajar Ghaniansah, Algi Fajar Andi Agus Nur Andi Makawaru Yasin, Andi Makawaru Andriana Sendjaja, Yoga Apong Sandrawati Arif R. Darana Arifin Anfasha, Arifin Arya, Pulung P Asep Nursalim, Asep Athanasius Cipta Aton Patonah, Aton Bani Nugroho, Bani Benny Joy Boy Yoseph Cahya Sunan Sakti Syah Alam Budi Muljana Cipta Endyana Daliman, Shaparas Binti Denny Lumban Raja Dewi Gentana Dewi Gentana Dicky Muslim Dina Tania Donny R. Wahyudi Dwi Purnomo Dyah Ayu Setyorini Edi Prasetyo Utomo Edi Tri Haryanto Edi Tri Haryanto, Edi Tri Edy Sunardi Endah, Raras Euis Tintin Yuningsih Euis Tintin Yuningsih Fachrudin, Kurnia Arfiansyah Fahira, Ghina Fery Erawan Fery Erawan Fikri Abdulah, Fikri GANI, REZA MOHAMMAD GANJAR Gentana, Dewi Gentana, Dewi Gentana, Dewi Gilang Firmansyah, Gilang Hendarmawan H Hendarmawan Hendarmawan Hendarmawan Hendarmawan, Hendarmawan Herry Riswandi HS, Karyono Ildrem Syafri Iyan Haryanto Iyan Haryanto, Iyan Jamal Jamal Jamal Jamal Jassin, A.M.I. Johanes Hutabarat Johanes Hutabarat Karyono HS Khoirullah, Nur kurnianto, brany M. Nursiyam Barkah Makkawaru, Andi Martha Magdalena Nanlohy Mawardi, Sonny Mega Fatimah Rosana Moch Ridfan Trisnadiansyah Mohamad Sapari Hadian Muhamadsyah, Faisal Muhammad Lutfi Mulyono - Nana Sulaksana Nana Sulaksana Nana Sulaksana Nana Sulaksana Nana Sulaksana Nana Sulaksana Nana Sulaksana Nendi rohaendi Nisa Nurul Ilmi Novi Triany Nurfadli, Eza Patonah Aton Pradnya P. Raditya Rendra Pradnya P. Raditya, Pradnya P. Pradnya Paramarta Raditya Rendra Puguh Setiyanto, Puguh Pulung Arya Pranantya Pulung Arya Pranantya, Pulung Arya putera, alvindo andreansyah Raden Irvan Sophian, Raden Irvan Ramadian, Aldrin Retnoningtyas, Widya Ika Ridwan, Panji Rina Devnita Rina Devnita Rita Yulianti, Rita Sabila, Zahra Syahida sabily, zulfa Sambodo, Tri Hananto Sambodo, Tri Hananto Priyo Saragih, Rahmat Yantono Setyorini, Dyah Ayu Siahaan, Yakub Sipahutar, Sumahang R. SIRAJU, ASRUL Sonny Mawardi Sri Wahyuni Subagja, Agam Suherman Dwi Nuryana Suherman Dwi Nuryana Sukardan Tawil Sulaksana, Nana Sulastri, Murni Sumaryono Sumaryono Suratman Suratman Syalsabilla, Lola Lintang Taat Setiawan, Taat Tresnasari, Endah Undang Mardiana Vijaya Isnaniawardhani Wahyuzi, Radhi Winantris Winantris Winarti Winarti Witjahjati, Retno Yoga Andriana Sendjaja Yuda, Himmes Fitra Yudhi Listiawan Yusuf, Muhammad Farhan Yuyun Yuniardi Zakaria Zufialdi Zakaria, Zulfiadi Zufialdi Zakaria, Zufialdi