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All Journal IJOG : Indonesian Journal on Geoscience Spektra: Jurnal Fisika dan Aplikasinya Indonesian Mining Journal PROMINE Indonesian Journal on Geoscience Indonesian Journal on Geoscience Journal of Geoscience Engineering and Energy (JOGEE) Jurnal Geominerba Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Indonesian Mining Journal
Iyan Haryanto
Universitas Padjadjaran
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Other

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The Determination of Volcanic Characteristics Based on Deuterium and Oxygen-18 Isotope Compositions: A Case Study at Dieng Plateau, Central Java Priatna, Priatna; Sulaksana, Nana; Hutabarat, Johanes; Haryanto, Iyan
Indonesian Journal on Geoscience Vol 7, No 2 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.2.201-213

Abstract

DOI:10.17014/ijog.7.2.201-213To find out volcanic characteristics, a geochemical approach can be used, one of which is through the measurement of deuterium and oxygen-18 isotopes from condensate and crater water samples. In this study, Dieng Plateau in Central Java was chosen, because it has a wide spread of fumarole fields and crater water. In addition, research in the Dieng Plateau is very useful in the management of geological-based tourism and geopark development in the future. Results of isotope analysis in Candradimuka Crater show the average number of isotope deuterium is δD – 500/00 and isotope oxygen-18 is δ18O –30/00 which produce the value of the mixing fraction of f 18O = 47.11%. This figure is the highest isotope number compared to other craters on the Dieng Plateau. The high value of the isotope-18 mixing fraction is supported by a strong plume from three vents in Candradimuka. Meanwhile, the results of crater water isotope tests obtained the highest results in Sikidang Crater with the value of the deuterium isotope is δD = – 10.300/00 and the isotope oxygen-18 is δ18O = 6.570/00 which are in the metamorphic water area from the mixing of magmatic processes with surface meteoric water. Based on the deuterium isotope approach with oxygen-18 crater water and fumarole condensate supported by subsurface temperature data, most of the Dieng Plateau has magmatic-hydrothermal characteristics, except Candradimuka Crater which belongs to the magmatic group. 
The Determination of Volcanic Characteristics Based on Deuterium and Oxygen-18 Isotope Compositions: A Case Study at Dieng Plateau, Central Java Priatna, Priatna; Sulaksana, Nana; Hutabarat, Johanes; Haryanto, Iyan
Indonesian Journal on Geoscience Vol 7, No 2 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (10590.56 KB) | DOI: 10.17014/ijog.7.2.201-213

Abstract

DOI:10.17014/ijog.7.2.201-213To find out volcanic characteristics, a geochemical approach can be used, one of which is through the measurement of deuterium and oxygen-18 isotopes from condensate and crater water samples. In this study, Dieng Plateau in Central Java was chosen, because it has a wide spread of fumarole fields and crater water. In addition, research in the Dieng Plateau is very useful in the management of geological-based tourism and geopark development in the future. Results of isotope analysis in Candradimuka Crater show the average number of isotope deuterium is δD – 500/00 and isotope oxygen-18 is δ18O –30/00 which produce the value of the mixing fraction of f 18O = 47.11%. This figure is the highest isotope number compared to other craters on the Dieng Plateau. The high value of the isotope-18 mixing fraction is supported by a strong plume from three vents in Candradimuka. Meanwhile, the results of crater water isotope tests obtained the highest results in Sikidang Crater with the value of the deuterium isotope is δD = – 10.300/00 and the isotope oxygen-18 is δ18O = 6.570/00 which are in the metamorphic water area from the mixing of magmatic processes with surface meteoric water. Based on the deuterium isotope approach with oxygen-18 crater water and fumarole condensate supported by subsurface temperature data, most of the Dieng Plateau has magmatic-hydrothermal characteristics, except Candradimuka Crater which belongs to the magmatic group. 
The Determination of Volcanic Characteristics Based on Deuterium and Oxygen-18 Isotope Compositions: A Case Study at Dieng Plateau, Central Java Priatna, Priatna; Sulaksana, Nana; Hutabarat, Johanes; Haryanto, Iyan
Indonesian Journal on Geoscience Vol 7, No 2 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.2.201-213

Abstract

DOI:10.17014/ijog.7.2.201-213To find out volcanic characteristics, a geochemical approach can be used, one of which is through the measurement of deuterium and oxygen-18 isotopes from condensate and crater water samples. In this study, Dieng Plateau in Central Java was chosen, because it has a wide spread of fumarole fields and crater water. In addition, research in the Dieng Plateau is very useful in the management of geological-based tourism and geopark development in the future. Results of isotope analysis in Candradimuka Crater show the average number of isotope deuterium is δD – 500/00 and isotope oxygen-18 is δ18O –30/00 which produce the value of the mixing fraction of f 18O = 47.11%. This figure is the highest isotope number compared to other craters on the Dieng Plateau. The high value of the isotope-18 mixing fraction is supported by a strong plume from three vents in Candradimuka. Meanwhile, the results of crater water isotope tests obtained the highest results in Sikidang Crater with the value of the deuterium isotope is δD = – 10.300/00 and the isotope oxygen-18 is δ18O = 6.570/00 which are in the metamorphic water area from the mixing of magmatic processes with surface meteoric water. Based on the deuterium isotope approach with oxygen-18 crater water and fumarole condensate supported by subsurface temperature data, most of the Dieng Plateau has magmatic-hydrothermal characteristics, except Candradimuka Crater which belongs to the magmatic group. 
The Determination of Volcanic Characteristics Based on Deuterium and Oxygen-18 Isotope Compositions: A Case Study at Dieng Plateau, Central Java Priatna Priatna; Nana Sulaksana; Johanes Hutabarat; Iyan Haryanto
Indonesian Journal on Geoscience Vol 7, No 2 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.2.201-213

Abstract

DOI:10.17014/ijog.7.2.201-213To find out volcanic characteristics, a geochemical approach can be used, one of which is through the measurement of deuterium and oxygen-18 isotopes from condensate and crater water samples. In this study, Dieng Plateau in Central Java was chosen, because it has a wide spread of fumarole fields and crater water. In addition, research in the Dieng Plateau is very useful in the management of geological-based tourism and geopark development in the future. Results of isotope analysis in Candradimuka Crater show the average number of isotope deuterium is δD – 500/00 and isotope oxygen-18 is δ18O –30/00 which produce the value of the mixing fraction of f 18O = 47.11%. This figure is the highest isotope number compared to other craters on the Dieng Plateau. The high value of the isotope-18 mixing fraction is supported by a strong plume from three vents in Candradimuka. Meanwhile, the results of crater water isotope tests obtained the highest results in Sikidang Crater with the value of the deuterium isotope is δD = – 10.300/00 and the isotope oxygen-18 is δ18O = 6.570/00 which are in the metamorphic water area from the mixing of magmatic processes with surface meteoric water. Based on the deuterium isotope approach with oxygen-18 crater water and fumarole condensate supported by subsurface temperature data, most of the Dieng Plateau has magmatic-hydrothermal characteristics, except Candradimuka Crater which belongs to the magmatic group. 
GEOPHYSICAL FORENSIC FOR ARCHAEOLOGICAL EXPLORATION IN MUAROJAMBI, INDONESIA Bambang Sugiarto; Dicky Muslim; Iyan Haryanto; Zufialdi Zakaria; Emy Sukiyah; Vijaya Isnaniawardhani; Achmad Djumarma Wirakusumah; Heryadi Rachmat
Spektra: Jurnal Fisika dan Aplikasinya Vol 5 No 3 (2020): SPEKTRA: Jurnal Fisika dan Aplikasinya, Volume 5 Issue 3, December 2020
Publisher : Program Studi Fisika Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/SPEKTRA.053.06

Abstract

In July 2011, archaeological exploration tried to apply the physics method for the first time in Muarojambi, Indonesia. We combined physics with geosciences and called it geophysical forensic. Our method is known as Ground Penetrating Radar (GPR). GPR used high-frequency electromagnetic (EM) waves between 10-3000 MHz to imaging subsurface based on dielectric permittivity’s physical parameters. Changes in the electrical properties, rock magnetism, and water content of the material under the surface will provide a response recorded on the radargram as a function of distance to time (two-way travel time). Data processing performs to reduce the noise recorded when collecting data. We have successfully obtained four GPR lines; three lines gathered near Gumpung Temple and one line at Telago Rajo Pool. The GPR method succeeded in giving a subsurface image and possibility of the archaeological objects near the Gumpung Temple and Telago Rajo Pool.
PRELIMINARY GEOMECHANICAL ANALYSIS ON LIMESTONES IN PPSDM GEOMINERBA CAMPUS, PADALARANG, WEST JAVA Irvan Sophian; Herlinawati H; Nur Khairullah; Abdurrokhim A; Iyan Haryanto; Hendarmawan H
Indonesian Mining Journal Vol 22, No 1 (2019): INDONESIAN MINING JOURNAL, Vol. 22 No. 1, April 2019
Publisher : Puslitbang tekMIRA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1123.8 KB) | DOI: 10.30556/imj.Vol22.No1.2019.985

Abstract

The research location is in the PPSDM Geominerba field campus. The campus is located in Padalarang, West Java that is surrounded by the open-pit mining of limestone and marble. This limestone was formed in Oligo-Miocene of Rajamandala Formation. The research objective was to determine the condition of the slopes around the campus based on geomechanical characteristics. Based on field observations, the slope angle in the area is dominated by steep slopes. The rock hardness level is dominated by hard rock with a hardness ranging from 50-100 MPa. Rock Mass Rating shows that the area is dominated by good rocks. While the Slope Mass Rating calculation show that the maximum slope angle is between 52-75°. Level of deformation and intensive weathering process will reduce the strength of the rock in the future. Several rock fall occurrences on this research area support this assumption. Yet, some local open pit mining area activity near the toe hill of the area need to be concerned regarding the effect of the local rock fall occurrences.
Pola Deformasi (Deformation Pattern) Mineralisasi Emas Sulfida Rendah di Zona Neo-Tektonik Selat Sunda Dudi Nasrudin Usman; Nana Sulaksana; Febri Hirnawan; Iyan Haryanto
PROMINE Vol 6 No 1 (2018): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (843.421 KB) | DOI: 10.33019/promine.v6i1.711

Abstract

The Sunda Strait is one of the zones of the Eurasian plate encounters with fairly active Indian plates. This can be seen based on volcanic activity that occurred in the region of Mount Krakatau. But there are unique things that are important to learn is tectonic movement with geological forces that work to produce cracks in rocks, the formation of volcanoes and cracks that occur produce mineralized zones, especially in the Formation of Honje and Formation Cipacar and more widely known as Bayah Dome. The presence of mineralization of the Honje Formation and Cipacar Formation is particularly located in the District of Cimanggu, Mangku Alam Village, the existence of gold mining activities proves that the mineralization of the region has the potential of economy. The presence of mineralization will not be separated from the presence of rock fractures in the two formations that have different geological age of the Late Miocene and Plistocene. Both formations are hindered by the presence of unconformity fields. This study aims to prove the extent of tectonic activity occurring in the Honje Formation with the final Miocene age forwarded to the Cipacar Formation even though obstructed by the field of nonconformity with the results of field data processing based on the value of RMR and RQD value. Both parameters are also studied to determine the extent to which the RQD value determines the magnitude of the grade value of Gold (Au). The distribution of RMR value and rock RQD value is taken from 2 different rock units, ie, andesite rock units in Honje Formation and tuff rock units in Cipacar Formation, based on the data distribution around 125 RMR observation points and 117 RQD observation points in the field are processed by using method test the average difference of the two parameters from 2 different rock units. In addition, the RQD value was correlated to the high level of gold content using correlation regression test of 78 data content and RQD value. Results of processing and discussion of data indicate that between the value of RMR in andesit unit and tuff unit there is no difference in value means H0 accepted by tcount = 0.556 <ttable = 1.995, as well as the difference test average RQD value where the results show that there is no difference between the average value of RQD andesite rock units in Honje Formation and tuff rock units in Cipacar Formation with tcount = 1.714 <ttable = 1.995, based on the results of data processing it can be explained that the tectonic activity in Honje Formation with the final Miocene age is forwarded to Cipacar Formation even if obstructed the field of dissonance means that tectonic activity of the region is inferred as neotectonic activity of West Java. In addition, one more thing that can be concluded that the relationship of RQD with Gold content (Au) based on statistical test the greater the value of RQD then the value of gold content (Au) the greater the test results regression correlation value PValue (Significance) = 0.013 with the equation y = -0.715x + 75.882 value R2 42.39%. Because Significance value> 0.05 then H0 DENIED, so H1 accepted, where the higher the value of the Big Au content then the RQD Value the greater.
INDEKS AKTIVITAS TEKTONIK RELATIF (IATR) SUB DAERAH ALIRAN SUNGAI CIKERUH, KABUPATEN BANDUNG, PROVINSI JAWA BARAT: INDEX OF RELATIVE ACTIVE TECTONICS IN CIKERUH WATERSHED, BANDUNG DISTRICT, WEST JAVA Taufiqih Hilman; Murni Sulastri; M. Nursiyam Barkah; Iyan Haryanto
Journal of Geoscience Engineering & Energy (JOGEE) VOLUME 4, NOMOR 1, FEBRUARI 2023
Publisher : Universitas trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jogee.v4i1.14862

Abstract

Daerah penelitian terletak di Sub Daerah Aliran Sungai (DAS) Cikeruh pada bagian Timur Sesar Lembang, yang secara administratif berada di Kabupaten Bandung dan Kabupaten Sumedang, Jawa Barat. Berdasarkan fisiografi regional, daerah penelitian termasuk dalam Zona Bandung. Sedangkan berdasarkan stratigrafi regional, Sub DAS Cikeruh terdiri dari 3 satuan batuan yaitu Qvu, Qyu, dan Ql yang umumnya didominasi oleh batuan vulkanik. Tujuan dari penelitian ini adalah untuk mengetahui analisis pola kelurusan, analisis morfometri dan morfotektonik. Metode penelitian yang digunakan yaitu analisis geomorfologi kuantitatif. Analisis morfotektonik yang digunakan untuk mengidentifikasi Indeks Aktivitas Tektonik Relatif (IATR) di Sub DAS Cikeruh menggunakan indeks gradien panjang sungai (Sl), faktor asimetri (Af), integral hipsometri (Hi), rasio lebar dan tinggi lembah (Vf), indeks bentuk DAS (Bs), dan indeks sinusitas muka gunung (Smf). Hasil penelitian pada daerah penelitian menunjukkan pola kelurusan yang berorientasi Barat Daya-Timur Laut. Indeks Aktivitas Tektonik Relatif (IATR) di daerah penelitian terbagi menjadi 4 kelas. Persentase kelas tektonik di daerah penelitian yaitu; kelas 1 (sangat aktif) mencakup 18,22% dengan jumlah luas sub DAS yaitu 19,96 Km2, Kelas 2 (aktif) sekitar 35,99% dengan jumlah luas sub DAS yaitu 39,42 Km2, Kelas 3 (menengah) sekitar 9,36% dengan jumlah luas sub DAS 10,26 Km2, dan Kelas 4 (rendah) sekitar sekitar 36,41% dengan jumlah luas sub DAS 39,88 Km2. Secara umum, daerah tengah hingga Utara telah mengalami aktivitas tektonisme sedangkan daerah Selatan relatif stabil dari pengaruh tektonisme
ANALISIS PENENTUAN JARAK TITIK INFORMASI DAN KLASIFIKASI SUMBER DAYA ENDAPAN NIKEL LATERIT BERDASARKAN ANALISIS VARIOGRAM Irfan Marwanza; Chairul Nas; Theresa Naomi Putri; Ahmad Helman Hamdani; Iyan Haryanto
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 1 No 1 (2017): Jurnal Geominerba - 2017
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58522/ppsdm22.v1i1.120

Abstract

Estimation process of precipitated mineral deposit is usually done by using conventional method which is only based on sample position. The accurate estimation method, that includes spatial and temporal continuity, is considered important, and a method that takes account of this continuity is Kriging Method. A study will be conducted by making laterite nickel zonation, based on degree of drill core (coring), while content appraisal and nickel resource comparison in block model will use Kriging Method. Data of this study is taken from southern block exploration of PT. Haltim, Wailukum, district of East Halmahera, North Maluku. Description method isused to analyse assay data, lithology, collar, and bore hole survey. Analysis method is done by using Surpac 6.3 software. Through block model result, it is found that the spread of nickel, ferrum, MgO, SiO2 and cobalt is in every percentage of the level. This method will generate experimental Variogram using lag value, nugget effect and sill that should be taken into account to make an accurate estimation result. The classification is done based on thickness and weighting of saprolite zone in southern block. The result of classification using sill method for saprolite zone is one third sill for measuring area of 35 meter, and two third sill for appointed area of 55 meter. For that reason, in this study area, for 50 meter gap of bore hole is classified as appointed area.
Perkembangan Fasies Sedimen Formasi Mamberamo Berumur Miosen Akhir-Pliosen di Cekungan Papua Utara David Victor Mamengko; Yoga B.Sendjadja; Budi Mulyana; Hermes Panggabean; Iyan Haryanto; Eko Budi Lelono; Juwita Trivianty Musu; Panuju Panuju
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.v20i1.399

Abstract

North Papua Basin is a fore arc basin located in northern coastal of Papua Island. This basin filled by Middle-Upper Miocene turbidite sediment and overlied by Upper Miocene – Quarternary clastic sediment. Upper Miocene – Quaternary clastic sediments (Mamberamo Formation) composed by interbedding conglomerate, sandstone and shale as molasses deposit. A detailed stratigraphic study was performed to identify facies and its association of the Mamberamo Formation to that give a new perspective on the characteristics and development of facies succession of Lower Mamberamo Formation. Result  shows that the Lower Mamberamo Formation consists of three facies: A) cross bedding sandstone (subtidal), B) heterolothic silty shale (intra-tidal), C) carbonaceous shale (supra-tidal) deposited on Late Miocen to Plio-Pleistocene during centra range orogeny (syn-orogeny) as molasses deposits.Keywords: Fore arc basin, North Papua Basin, Mamberamo Formation, molasse deposits.
Co-Authors Abdurrokhim ⠀ Achmad Djumarma Wirakusumah Ahmad Helman Hamdani Bambang Sugiarto Budi Mulyana Chairul Nas David Victor Mamengko Dicky Muslim Dudi Nasrudin Usman Eko Budi Lelono Emy Sukiyah Febri Hirnawan Hendarmawan H Herlinawati H Hermes Panggabean Heryadi Rachmat Irfan Marwanza Irvan Sophian Johanes Hutabarat Juwita Trivianty Musu M. Nursiyam Barkah Murni Sulastri Nana Sulaksana Nana Sulaksana Nur Khairullah Panuju Panuju Priatna Priatna Priatna, Priatna Priatna, Priatna Salsabila, Unik Hanifah Sulaksana, Nana Sulaksana, Nana Taufiqih Hilman Theresa Naomi Putri Vijaya Isnaniawardhani Yoga B.Sendjadja Zufialdi Zakaria