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All Journal Bulletin of Scientific Contribution : Geology Jurnal Pengembangan Energi Nuklir IJOG : Indonesian Journal on Geoscience Jurnal technoscientia Jurnal Ilmiah MTG Forum Geografi Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Journal of Geoscience, Engineering, Environment, and Technology Prosiding Seminar Nasional Sains dan Teknologi Terapan KURVATEK JURNAL TEKNOLOGI TECHNOSCIENTIA Indonesian Journal on Geoscience Indonesian Journal on Geoscience Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Hill Gendoet Hartono
Institut Teknologi Nasional Yogyakarta
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation

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Analisis Porositas dan Permeabilitas Satuan Batupasir Karbonatan Kerek Sebagai Reservoir Daerah Slendro, Kecamatan Gesi, Kabupaten Sragen, Provinsi Jawa Tengah Zam Abu Bakar; Hill Gendoet Hartono; Rizqi Muhammad Mahbub
Retii Vol 18 No 1 (2023): Prosiding Seminar Nasional ReTII ke-18 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

Pemanfaatan sumber daya alam pada Desa Slendro, Kecamatan Gesi, Kabupaten Sragen, Provinsi Jawa Tengah cukup berpotensi sebagai reservoir. Untuk menentukan kualitasnya perlu dilakukan penelitian data lapangan berupa sampel batuan untuk menentukan nilai porositas dan permeabilitas. Analisis kualitas porositas dan permeabilitas batuan digunakan dengan melakukan uji sifat fisik batuan menggunakan metode analisis inti batuan yang meliputi penentuan nilai permeabilitas absolut dengan menggunakan Gas Permeameter dan mengetahui besarnya porositas berdasarkan volume bulk batuan dan volume pori batuan, dengan metode Penimbangan dan hasil perhitungan porositas dan permeabilitas. Hasil perhitungan porositas 18,91% sampai 30,409% dengan nilai rata - rata 24,66% (sangat baik), permeabilitas berdasarkan metode gas permeameter didapatkan nilai kisaran permeabilitas 238,625 (mD) sampai 322,533 (mD) dengan nilai rata – rata 280,579 (mD) (sangat baik). Dengan hasil porositas baik dan permeabilitas baik sekali yang berkaitan dengan batuan reservoir, batupasir karbonatan Kerek berpotensi sebagai batuan reservoir yang sangat baik
KORELASI SEBARAN GEMPABUMI DAN DENSITAS KELURUSAN PADA KEAMANAN CALON TAPAK PLTN BOJONEGARA, BANTEN Mahbub, Rizqi Muhammad; Hartono, Hill Gendoet
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.v4i2.1583

Abstract

Pembangkit listrik tenaga nuklir sangat dibutuhkan di Indonesia mengingat listrik dari batubara sangat merusak lingkungan. Lokasi tapak PLTN Bojonegara di Banten masih dalam perencanaan didukung dari aspek tektonik. Di Busur muka Selat Sunda yang merupakan daerah transisi antara pulau Sumatera dan Jawa yang hingga tahun 2019 mengalami gempa tektonik di bagian subduksi antara Lempeng Indo Australia di bawah Lempeng Eurasia. Pergerakan lempeng aktif menghasilkan gaya kompresi sehingga mengakibatkan zona hancuran sangat luas yang akan berdampak bukan hanya daerah pesisir yang terkena bencana gempa namun daerah yang berdekatan dengan struktur sesar aktif. Objek penelitian yaitu mendeteksi zona lemah dengan metode densitas kelurusan dari data digital elevasi, landsat 8, data gravitasi, serta data focal mechanism. Pertama lakukan interpretasi kelurusan dari digital elevasi landsat 8, yang kemudian menggunakan data struktur geologi Kenozoikum dari peta geologi regional di wilayah Banten. Kedua interpretasi zona lemah dari kriteria jenis batuan berdasarkan peta geologi regional yang dihubungkan dengan densitas kelurusan. Ketiga deteksi kelurusan yang membentuk pola sama dengan pergerakan sesar dari data focal mechanism. Jumlah gempa Magnitudo 2 – 9 yang terdeteksi di perairan Selat Sunda hingga daratan Banten diakibatkan oleh karakteristik gempa mekanisme sesar geser di kedalaman dangkal (D< 20 km), adapun mekanisme sesar geser ini reaktivasi sesar di permukaan di tenggara dan timurlaut Serang, Banten. Panjang kelurusan dan saling koneksi difokuskan dengan grid 500m x 500m berhubungan dengan data densitas dan focal mechanism. Daerah dengan densitas kelurusan tinggi, distribusi gempa dengan mekanisme pergerakan sesar dan arah gaya pembentuk kelurusan tektonik sama dapat mempengaruhi kelayakan lokasi dalam pengembangan PLTN di daerah tersebut.
PENERAPAN SANDI STRATIGRAFI INDONESIA DALAM PEMETAAN GEOLOGI GUNUNG API DI KULONPROGO Hartono, Hill Gendoet; Sudradjat, Adjat
Bulletin of Scientific Contribution Vol 23, No 1 (2025): 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.v23i1.59526

Abstract

Dalam sandiStratigrafi Indonesia (SSI) 1973 yang dimutakhirkan tahun 1996 dan tahun 2023, dicantumkan mengenai konsep stratigrafi gunung api. Konsep ini memformulasikan kaidah stratigrafi dalam pemetaan batuan gunung api yang mencakup satuan batuan sebagai satuan paling kecil, gumuk, khuluk, bregada dan manggala sebagai satuan stratigrafi dengan hierarki yang semakin besar. Konsep ini dicoba diaplikasikan dalam pemetaan geologi gunung api Prakuarter di Pegunungan Kulonprogo. Hasilnya menunjukkan bahwa konsep ini dapat mengurai lebih jauh produk letusan yang selama ini dipetakan sebagai satu unit batuan. Pada peta geologi ditampilkan adanya tiga tubuh batolit yaitu Ijo, Gajah dan Menoreh[1]. Lokasi ketiganya berderet dari baratdaya ke timurlaut. Berdasarkan peta tersebut, maka diinterpretasikan bahwa ketiga tubuh batolit merupakan pusat letusan, sehingga disimpulkan bahwa terdapat tiga tubuh gunung api. Dalam konsep stratigrafi. maka ketiga tubuh gunung api tersebut memiliki status khuluk. Akan tetapi penelitian lebih lanjut [2,3] mengungkapkan adanya beberapa konduit, sehingga disimpulkan bahwa pada satu tubuh batolit terdapat beberapa pusat letusan. Dengan demikian maka statusnya berubah menjadi bregada. Berdasarkan hal tersebut maka Pegunungan Kulonprogo merupakan suatu manggala yang terdiri atas Bregada Gajah, Bregada Ijo dan Bregasa Menoreh.Bregada tersebut masing-masing diurai lebih lanjut menjadi Khuluk Bujel, Khuluk Pencu, Khuluk Ijo, Khuluk Kukusan dan Khuluk Gupit. Dikombinasikan dengan analisis facies maka dapat dilakukan deliniasi yang memisahkan produk gunung api dalam beberapa satuan batuan berdasarkan sumber, deskripsi dan genesis. 
Geologi dan Kajian Fasies Gunung Api Purba Soropati Berdasarkan Keberadaan Lava Basal Daerah Gedong dan Sekitarnya, Kecamatan Banyubiru, Kabupaten Semarang, Provinsi Jawa Tengah Rizqi, Al Hussein Flowers; Maming, Haryadi; Hartono, Hill Gendoet
Retii 2024: Prosiding Seminar Nasional ReTII ke-19 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

The study area is located on the flank of Mount Merbabu and south of the Soropati Band. Mount Soropati is thought to be active in the Quaternary, and was formed at the same time as two other nearby volcanoes, Old Merbabu and Ungaran. This study aims to identify basalt lavas on Mount Soropati that spread to the medial facies. The research method used is field observation supported by DEM map analysis and petrographic analysis. On the appearance of the DEM map, Mount Soropati has a morphology that shows the formation of a caldera and a visible depth that is likely the center of volcanic activity on Mount Soropati in the past. Mount Soropati is a Bregada volcano that gathers one Khuluk, Khuluk Telomoyo and one gumuk, Gumuk Gedong. Mount Soropati is composed of basalt lava flows and has historical records of activities that show that Mount Soropati is a polygenetic volcano. Mount Soropati has an effusive type, which is reflected in the Ca-rich plagioclase content, and an explosive type, which can be seen from the former caldera. In volcanic development, Mount Soropati is in the advanced erosional phase. The presence of basalt lava along ± 2.4 km and a considerable distance from the eruption center may indicate a medial facies.
Eksplorasi Geokimia untuk Menentukan Daerah Prospek Mineralisasi Emas Tipe Urat Epitermal: Studi Kasus di Daerah Tompaso, Kabupaten Minahasa Selatan, Sulawesi Utara Idrus, Arifudin; Fadlin; Hartono, Hill Gendoet
EKSPLORIUM Vol. 42 No. 1 (2021): MEI 2021
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/eksplorium.2021.42.1.6230

Abstract

North Sulawesi, including the Tompaso region, South Minahasa district, is a part of the magmatic belts hosting potential hydrothermal ore deposits. This study is aimed to determine the prospect area for epithermal vein-type gold mineralization, based on geochemical exploration including rock and BLEG (Bulk Leach Extractable Gold) stream sediment geochemistry. Mapping of geology, alteration and vein direction, sampling (ore/rock and stream sediment), and geochemical analysis were performed. Gold in rock samples was analyzed by FA/AAS, and other elements were detected by AAS, while BLEG samples were analyzed using the cyanide leach and AAS methods. The study area is occupied by andesitic lava and diorite, which are suffered by silica-clay, argillic and propylitic alteration. An integration of geological mapping, alteration zones and vein direction with lithogeochemical survey enables to determine the prospect areas, which consist of Asam and Polangkok prospects. At the Asam prospect, the ore sample contains gold up to 0.03 ppm, where the gold anomaly in BLEG samples show a threshold of 13.52 ppb Au. At the Polangkok prospect, two NW-SE trending veins (P1 and P2 Veins) were discovered with a width of up to 5 m. Vein P1 and P2 contains of up to 0.31 and 0.16 ppm Au, respectively. Mineralization at the Polangkok prospect coincides with Ag anomaly of BLEG samples with a threshold of 67.18 ppb. The two prospect areas are recommended for follow-up exploration.
Identifikasi Batuan Gunung Api Purba di Pegunungan Selatan Yogyakarta Bagian Barat Berdasarkan Pengukuran Geolistrik Winarti, Winarti; Hartono, Hill Gendoet
EKSPLORIUM Vol. 36 No. 1 (2015): MEI 2015
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/eksplorium.2015.36.1.2771

Abstract

The study area is located between western part of Yogyakarta plains and Southern Mountains. The morphology and lithology along the Berbah-Imogiri show the existence of an ancient volcano. This is proven by outcrop of volcanic rock like lava, breccia and tuff. The aim of this study is to identify the existence of ancient volcanic rocks along Berbah-Imogiri based on geoelectrical data. The method used to perform measurements at four locations geoelectrical mapping with dipole-dipole configuration a long stretch of track for every 500 meters. Geoelectrical measurement results showed on track 1 in Source Kulon-Kalitirto, District Berbah, interpretedas volcanic rocks such as basalt lava and tuff. Tracks 2 in Pilang-Srimulyo, District Piyungan, iterpreted as volcanic rocks of scoria breccia. Tracks 3 in Ngeblak-Bawuran, District Pleret, interpreted as lava and tuff. And track 4 on Guyangan-Wonolelo, District Pleret interpreted as form of tuff and lava. Volcanic rocks are generally having a high resistivity value > 300 Ωm. The content of water or mineralization tends to reduce the resistivity value of resistant volcanic rock.
Geologi, Genesis dan Karakteristik Endapan Laterit Bauksit di Daerah Melugai, Kalimantan Barat Muhammad Hery Setiyawan; Rosana, Mega Fatimah; Hutabarat, Johanes; Hartono, Hill Gendoet
Retii 2025: Prosiding Seminar Nasional ReTII ke-20 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

Endapan bauksit laterit yang ditemukan di Desa Melugai, Kalimantan Barat merupakan bagian dari zona laterit prospektif. Penelitian ini bertujuan mengkaji kondisi geologi dan genesis endapan yang mempengaruhi karakteristik bauksit. Metode yang digunakan meliputi pemetaan geologi, analisis petrografi, dan uji laboratorium (XRD dan XRF). Daerah Melugai tersusun oleh batuan Malihan Pinoh dengan unit metatuf dan metaandesit yang berumur Trias. Secara geomorfologi, wilayah ini berupa perbukitan bergelombang landai hingga miring dengan pola aliran dendritik. Pembentukan bauksit laterit dikendalikan oleh jenis batuan induk, waktu, iklim tropis, dan geomorfologi landai, dimana proses lateritisasi mengintensifkan pelapukan dan pelindian unsur larut (Na, K, Ca) sehingga meninggalkan residu kaya aluminium hidroksida (Al(OH)₃) yang mengeras menjadi bauksit. Endapan bauksit di Melugai terbagi menjadi dua tipe berdasarkan batuan induknya. Hasil analisis XRD menunjukkan mineral dominan berupa gibbsite, hematite, geothite, kaolinite, quartz, dan sodalite. Analisis XRF menyimpulkan perbedaan kualitas yang signifikan. Bauksit dari batuan induk metatuf memiliki kadar Al₂O₃ rata-rata 47,53% (kualitas medium grade). Sedangkan bauksit dari batuan induk metaandesit memiliki kadar Al₂O₃ rata-rata 32,25% (kualitas low grade). Disimpulkan bahwa bauksit yang bersumber dari batuan induk metatuf memiliki kualitas yang lebih baik dan tingkat laterisasi yang lebih kuat.
Volcano Stratigraphy of Kulon Progo Super Brigade Hartono, Hill Gendoet; Sugarbo, Oky
Indonesian Journal on Geoscience Vol. 13 No. 1 (2026)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.13.1.143-157

Abstract

The research location is in the Kulon Progo Mountains, west of the Daerah Istimewa Yogyakarta province and part of Central Java. Several previous researchers have discussed the stratigraphy of the Kulon Progo Mountains region, following the rock unit grouping rules that have evolved from the past to the present. Approaches to clarify the geological conditions of the Kulon Progo Mountains and efforts to comply with Indonesian Stratigraphic Code standards are continuously being carried out. The purpose of this study is to identify volcanic stratigraphic units in the Kulon Progo Mountains using the principles and concepts of volcanic stratigraphy. The research methods used were surface geology research and remote sensing. The research conducted through surveys or field visits at specific locations was identified as key areas of interest. Remote sensing and topographic map analysis were also conducted to delineate the distribution of volcanic rocks and the boundaries of volcanic stratigraphic units. Laboratory analysis was conducted to strengthen the interpretation of volcanic rock genesis and thus support the interpretation of the presence of volcanoes in the study area. Comprehensive analysis is used to determine the location of ancient eruption sources, descriptions of coherent and pyroclastic lava, and the origin of volcanoes, which have developed quite significantly, as well as the volcanic stratigraphic units in the study area. The volcanic stratigraphic units of the Kulon Progo Mountains from the early to late activity periods are grouped into the Gajah Brigade, Ijo Brigade, and Menoreh Brigade stratigraphic units. The collection of volcanic stratigraphic units from the three brigades that built the Kulon Progo Mountains and were mapped at a scale of 1:100,000 is called Super Brigade Kulon Progo. The Gajah Brigade Unit is in the center, the Ijo Brigade Unit is in the south, and the Menoreh Brigade Unit occupies the northern part of Super Brigade Kulon Progo, which is in a relatively northeast-southwest trend. The Gajah Brigade covers the north side of Crown Bujel, which is bounded by a long escarpment that opens to the west, and the flat Crown Pencu is bounded by a curved escarpment that also opens to the west. Ijo Brigade is in the southern part of the Kulon Progo Mountains and has a relatively rounded shape, bounded by steep escarp- ments, especially on the north and east sides. The geological elements of the ancient volcano Ijo Brigade appear much clearer than those of the other brigade, so it is estimated that it is younger than the time the Gajah Brigade was formed. Ijo Brigade covers two ancient volcanic bodies, namely Ijo Crown in the north and Kukusan Crown in the south. Menoreh Brigade is in the northern part of the Kulon Progo Mountains and is the youngest of the three brigades that built Super Brigade Kulon Progo. The Menoreh Brigade encompasses the Gupit Crown, which is a dacite intrusive body, the smallest in diameter and the lowest in topography among the existing Crowns. The stratigraphy of the ancient volcanoes of the Kulon Progo Mountains is arranged by volcanic unit levels from large to small, namely Super Brigade, Brigade, and Crown.
POTENSI NIKEL LATERIT PADA PROSPEK PUU NUNU, KECAMATAN KABAENA SELATAN, KABUPATEN BOMBANA, PROVINSI SULAWESI TENGGARA Qoyyibi, Dava Saliham; Sugarbo, Oky; Hartono, Hill Gendoet
KURVATEK Vol 11 No 1 (2026): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v11i1.5807

Abstract

Nickel occurrences in Indonesia are generally found as lateritic nickel deposits derived from the residual weathering of bedrock from ophiolite or ultramafic complexes. Sulawesi Island and the surrounding smaller islands possess significant nickel potential due to their complex geological setting. Therefore, a geological study is necessary to assess this potential by conducting surface mapping. The study area is located in Southeast Sulawesi and falls within the mining business license (IUP) area of PT. Tambang Bumi Sulawesi. This research aims to carry out surface geological mapping, with the objective of identifying geological conditions, including geomorphology, stratigraphy, geological structures, and resource estimation in areas with lateritic nickel potential. The results of the study indicate that the geomorphological units consist of strongly undulating-denudational hills and weakly to strongly undulating-denudational areas. The stratigraphy of the study area, from oldest to youngest, comprises lherzolite and hornblende pyroxenite of the Ultramafic Complex, which are unconformably overlain by mica schist and marble of the Pompangeo Complex. The geological structure is characterized by a sinistral (left-lateral) left slip fault trending northwest-southeast. Resource estimation using the ordinary kriging method yielded a total measured resource volume of 518,855 m³, with an estimated tonnage of 778,283 tons in the lateritic potential area.
Co-Authors Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudrajat Adjat Sudrajat Al Hussein Flowers Rizqi Alfian Maulana Anwar Amara Nugraheni Arifudin Idrus Bronto, Sutikno Bronto, Sutikno Ernowo Ernowo Ernowo Ernowo Ernowo, Ernowo Fadlin Fadlin Fadlin Fadlin Idrus Franklin Franklin Franklin Franklin Franklin, Franklin Fuad Nur Hussein Fuad Nur Hussein Heni Susiati Herning Dyah Kusuma Wijayanti Hita Pandita, Hita I Gde Sukadana I Gde Sukadana Idrus, Fadlin Ildrem Syafri Iwan Setiawan Iwan Setiawan Johanes Hutabarat Mahbub, Rizqi Muhammad Maming, Haryadi Mega Fatimah Rosana Moetamar Moetamar Moetamar Moetamar Moetamar, Moetamar Muhammad Abdul Basith Muhammad Hery Setiyawan Muhammad Isna Almuzakki Okki Verdiansyah Okki Verdiansyah Oky Sugarbo Ongki Ari Prayoga Prihatmoko, Sukmandaru Qoyyibi, Dava Saliham Rachman Fauzi Rangga Aditya Warman Darman Rizqi Muhammad Mahbub Setiawan, Iwan Sriyana Sriyana Sudradjat, Adjat Sudradjat, Adjat Sudrajat, Adjat Sukmandaru Prihatmoko Sukmandaru Prihatmoko Sunarko Sunarko Sutikno Bronto Sutikno Bronto Sutikno Bronto T. Listyani R.A. Tyto Baskara Adimedha Winar ti Winarti Winarti Winarti Winarti Winarti Winarti Zam Abu Bakar