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All Journal IJOG : Indonesian Journal on Geoscience Jurnal technoscientia Jurnal RISET Geologi dan Pertambangan Seminar Nasional Teknik Kimia Kejuangan Journal of Degraded and Mining Lands Management Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Jurnal Ilmiah Dinamika Rekayasa (DINAREK) UNEJ e-Proceeding Journal of Geoscience, Engineering, Environment, and Technology Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Geomine Indonesian Mining Journal PROMINE Buletin Sumber Daya Geologi Jurnal GEOSAPTA International Journal of Community Service Learning TEKNOLOGIA Al-Ard: Jurnal Teknik Lingkungan KURVATEK Jurnal Abdi: Media Pengabdian Kepada Masyarakat Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN JURNAL TEKNOLOGI TECHNOSCIENTIA Indonesian Journal on Geoscience Indonesian Journal on Geoscience Journal of Applied Geology SRIWIJAYA JOURNAL OF ENVIRONMENT Ophiolite : Jurnal Geologi Terapan Jurnal Locus Penelitian dan Pengabdian International Journal of Hydrological and Environmental for Sustainability INTAN Jurnal Penelitian Tambang Jurnal Indonesia Sosial Teknologi Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Ilmiah Geologi pangea Jurnal Ilmiah Geomatika Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Asian Journal of Social and Humanities Indonesian Mining Journal Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Arifudin Idrus
Departemen Teknik Geologi Fakultas Teknik Universitas Gadjah Mada
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Journal : PROMINE

 1 
Studi Awal Geologi di Daerah Beruang Kanan Kabupaten Gunung Mas Propinsi Kalimantan Tengah Retno Anjarwati; Arifudin Idrus; Lucas Donny Setijadji
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 (661.809 KB) | DOI: 10.33019/promine.v6i1.710

Abstract

The regional tectonic conditions of the KSK Contract of Work are located in the mid-Tertiary magmatic arc (Carlile and Mitchell, 1994) which host a number of epithermal gold deposits (eg, Kelian, Indon, Muro) and significant prospects such as Muyup, Masupa Ria, Gunung Mas and Mirah. Copper-gold mineralization in the KSK Contract of Work is associated with a number of intrusions that have occupied the shallow-scale crust at the Mesozoic metamorphic intercellular junction to the south and continuously into the Lower Tertiary sediment toward the water. This intrusion is interpreted to be part of the Oligocene arc of Central Kalimantan (in Carlile and Mitchell 1994) Volcanic rocks and associated volcanoes are older than intrusions, possibly aged Cretaceous and exposed together with all three contacts (Carlile and Mitchell, 1994) some researchers contribute details about the geological and mineralogical background, and some papers for that are published for the Beruang Kanan region and beyond but no one can confirm the genesis type of the Beruang Kanan region The mineralization of the Beruang Kanan area is generally composed by high yields of epithermal sulphide mineralization. with Cu-Au mineralization This high epithermal sulphide deposition coats the upper part of the Cu-Au porphyry precipitate associated with mineralization processes that are generally controlled by the structure
Kajian Geoteknik Untuk Desain Pit Tambang Batugamping Di Daerah Karang Dawa, Kecamatan Margasari, Kabupaten Tegal, Jawa Tengah Mersi Abadi; Arifudin Idrus; I Gede Budi Irawan Budi Irawan
PROMINE Vol 6 No 2 (2018): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1271.762 KB) | DOI: 10.33019/promine.v6i2.778

Abstract

Location of research situated in the village Karangdawa, district Margasari, Tegal Regency, Central Java. The location of the research is the exploration Licences PT. Indocement Tunggal Prakarsa Tbk., with commodities limestone. This research is aimed at mengetahuikualitas, batugampingserta reserves and resources geotechnical model based on the geological model. Geotechnical models also determined based on the model of rockmass used slope stability analysis as a model to design the mine pit. The methods used in this research include field work in the form of observation of outcrops of rocks and develop the sample, as well as laboratory analysis in the form of analysis of petrographic analysis and XRF using the sample surface, analysis of physical and mechanical properties of the rock mass classification, as well as rocks based on Geological Strenght Index (GSI) uses a secondary data in the form of core data drilling. Analysis of the stability of slopes in this study using the method of limit equilibrium (limit equilibrium method). Interpretation and correlation of data indicating that the drilling core location stratigraphic research is composed by three units of rock: limestone, batulempung, as well as sandstones. XRF analysis results and modeling geology suggests the quality of limestone meet cement raw material standards as to the amount of 13,180,000 tons of limestone resources. The geometry of the slope resulting from the analysis of the stability of slopes of which are: single slope height of 10 meters, the angle of slope of a single 80-degree slope, the slope of the overall 48 degrees, 50 degrees, 60 degrees, 54 degrees, the wide level of 8.31 meters. Limestone reserves estimation is determined only on the basis of consideration of the mine pit design and ultimate pit limit which is limited by the territory of IUP. Backup tertambang (mineable reserve) limestone amounted to 7,477,000 tonnes.
Zonasi Alterasi Hidrotermal Pada Endapan Tembaga-Emas Porfiri Berdasarkan Pemetaan Permukaan Dan Eksplorasi Geofisika Di Prospek Berambang Kecamatan Sekotong Lombok Barat Nusa Tenggara Barat Andi Faesal; Arifudin Idrus; Djoko Wintolo
PROMINE Vol 5 No 2 (2017): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1879.693 KB) | DOI: 10.33019/promine.v5i2.918

Abstract

The research sites are located in the village of Berambang, Sekotong District, West Lombok Regency,West Nusa Tenggara Province. This area was dominated by volcanic rocks composed of dasiticvolcanic rock, diatrema breccia, and diorite intrusion. Berambang area shows alteration in the form ofpotassic, propylitic, advanced argillic, and argillic alterations where in some places accompanied bypyritisation and stockwork structure, the type of mineralization in this area is a porphyry copper-goldtype. In the potasic alteration zone there are minerals that have a strong anomaly response to themagnetic due to the presence of oxide minerals magnetite (Fe2O3). Mineral sulfides such as pyrite(FeS2) and chalcopyrite (CuFeS2) will also provide significant anomalous responses that have anabundance of 2-5% in the potassic zone. In a propylitic alteration zone characterized by chlorite,calcite and epidote minerals that do not respond to magnetic anomalies, the presence of pyriteminerals, hematites and chalcopyrite with abundance of ≤1% will provide some magnetic anomaly inthe propylitic zone. As for advanceargillic alteration zones characterized by mineral andalusite, aluniteand quartz, there will not be any magnetic anomalies, the phenomena was due to the rarity ofmineralization in this zone gives an insignificant anomalous impact. Meanwhile, for the argillic zonecharacterized by mineral illite, kaolinite and smectite will not have anomalous magnetic impact, veryrare mineralization in the argillic zone so that the magnetic anomaly is not significant. From the floatingEuler 3D shows an anomalous source from a depth of 0 meters to a depth of more than 400 meters.
Geologi, Karakteristik Alterasi Hidrotermal dan Mineralisasi Bijih pada Pit Purnama Martabe, Kabupaten Tapanuli Selatan, Provinsi Sumatera Utara Theresia Fernandha Samuels; Arifudin Idrus
PROMINE Vol 9 No 1 (2021): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v9i1.2118

Abstract

High demands of metal such as gold, silver, and copper, also their limited occurances causing an understanding of geological conditions, alteration and ore mineralization characteristics are needed for a sustainable exploration. This study aims to elucidate geological conditions, characteristics and the distribution of alteration zones and ores mineralization in Purnama Martabe Pit based on geological mapping, drill cores logging and sampling. Selected samples were analysed by XRF (X-Ray Fluorescenes), ASD (Analytical Spectral Devices), petrography, and mineragraphy analysis. Lithological units at the study area consist of andesite lava unit, diorite intrusion dome and polymictic phreatomagmatic breccia units. Based on ASD analysis, alteration zones in the study area are vuggy-massive silica, silica+dickite±alunite, illite+smectite, and smectite+chlorite. Based on mineragraphy and XRF, the mineralization occurred at the study area is composed of pyrite, enargite, hematite, goethite, and jarosite. Zonation and distribution of alteration and mineralization is predominantly controlled by the north east – south west structure in the form of quartz veins, north west – south east structure, and various porosities of the lithological units.
Co-Authors A. Harijoko A. Harijoko A. Imai A. Imai A. M. Imran Abdul Abdul Abdul, Abdul Abrar, Miftahul Afrilita, Afrilita Agung Harijoko Agung Harjoko Agus Prasetya Ahmad Ahmad Ahmad Ahmad Akira Imai Alyna Azarine Anastasia Dewi Titisari Anjarwati, Retno Anna Rakhmawati Araki, Naoto Arfan Siregar Asfaro, Raden Muhammad Asih, Yekti Asrafil Asrafil Ati, E. M. Atmoko, Didik Dwi Atmoko, Didik Dwi Bambang Priadi Cendi D. P. Dana Chun-Kit Lai Dana, Cendi D. P. Danny, Rama Danny, Rama Dian Yesy Fatimah Didik Dwi Atmoko Didik Dwi Atmoko Djoko Wintolo Djoko Wintolo Djoko Wintolo, Djoko Donatus Hendra Amijaya Dwi Fitri Yudiantoro E. M. Ati E. M. Ati Eddy Winarno Edy Nursanto Edy Nursanto Edy Nursanto Ernowo Ernowo Ernowo Ernowo Ernowo Harjanto Ernowo Harjanto, Ernowo Ernowo, Ernowo Esti Handayani Esti Handayani F. M. Meyer F. M. Meyer F. Thamba F. Thamba Fadlin Fadlin Fadlin Fadlin Fadlin Fadlin Idrus Fadlin, Fadlin Faesal, Andi Faruqi, M.Dzulfikar Feddy Yurniadi Fenny Tamba Ferian Anggara Fitri Yudiantoro, Dwi Franklin Franklin Franklin Franklin Franklin, Franklin Franz M Meyer Franz Michael Meyer Franz Michael Meyer Franz Michael Meyer, Franz Michael Godang, Shaban Godang, Shaban Hakim, Fahmi Hamzah, Wildan Nur Handayani, Esti Harijoko, A. Harjoko, Agung Harjoko, Agung Hasria Hasria Hasria Hasria Hasria Hasria, Hasria Heimbach, Ivano Herfien Samalehu Herfien Samalehu Hidayatullah Hidayatullah Hill Gendoet Hartono Himawan Tri Bayu Murti Petrus HTBM Petrus I Gde Sukadana I Gde Sukadana I Gede Budi Irawan Budi Irawan I Wayan Warmada I. Nur I. Nur I. Nur Idrus, Fadlin Ignas A. Meak Ilmawan, Ilham Imai, A. Imai, Akira Imam Suyanto Indra Sanjaya Indra Sanjaya Irwan Endrayanto, Irwan Irzal Nur Irzal Nur, Irzal Isyqi Isyqi Iwan Setiawan Iwan Setiawan Iwan Setiawan Iwan Setiawan Jochen Kolb Johan Arif Johan Arif, Johan Kaharuddin Kaharuddin Kaharuddin, Kaharuddin Kant, Win Khant, Win Koichiro Watanabe Koichiro Watanabe Koichiro Watanabe, Koichiro Kolb, Jochen Kotaro Yonezu Kris Ramlan Kurniawan, Winarto L. D. Setijadji L. D. Setijadji Lai, Chun-Kit Leeuwen, Theo Van Lia Novelia Agung Lia Novelia Agung, Lia Novelia Lucas D Setijadji Lucas Donny Setijadji Mansur, Suaib May Thwee Aye Meak, Ignas A. Mersi Abadi Meyer, F. M. Meyer, Franz M Meyer, Franz M Mochammad Aziz Mochammad Aziz Mochammad Aziz, Mochammad Moetamar Moetamar Moetamar Moetamar Moetamar, Moetamar Mohamad Anis Mohamad Anis Mohamad Anis Mohamad Anis Mohamad Anis, Mohamad Mudinillah, Adam Muhammad Arba Azzaman Muhammad Muhsin Al Hakim Myaing, Yu Yu Myo Min Tun Myo Min Tun Naoto Araki Nhatinombe, Hernani Vitorino Nugroho Imam Setiawan Nur, I. Nur, I. Nurkhamim Nurkhamim Nurkhamim Nurkhamim Nurkhamim Okki Verdiansyah Okki Verdiansyah Okki Verdiansyah Okki Verdiansyah Pambudi, Setia Por, Vannak Pramumijoyo, Pranayoga Pramumijoyo, S. Pranayoga Pramumijoyo Prasetyawati Umar, Emi Prastistho, Widyawanto Pratiwi, Fadiah Pratomo, Septyo Uji Priadi, Bambang Prihatmoko, Sukmandaru Putranto, Sapto Putranto, Sapto Putranto, Sapto Raden Isnu Hajar Sulistyawan, Raden Isnu Hajar Rahmah, Yuyun Prihatining Rahmayuddin Rahmayuddin Rahmayuddin, Rahmayuddin Rama Danny Rangga Bintang Ardaraja Rangga Bintang Ardaraja Retno Anjarwati Retno Anjarwati Rika Ernawati Rika Ernawati Riyadi, Hasan Rizal, Khairu Rohaya Langkoke Rohaya Langkoke S. Pramumijoyo S. Pramumijoyo Samalehu, Herfien Sapto Putranto Sapto Putranto Satriadi Abdullah Satriadi Satriadi SATRIYAS ILYAS Setia Pambudi Setiawan, Iwan Setiawan, Iwan Setijadji, L. D. Setijadji, Lucas D Setijadji, Lucas D Shaban Godang Shaban Godang Simbolon, Doly Sindern, Sven Siti Rahmawati H. Budiawan SRI ATUN Suaib Mansur Subagyo Pramumijoyo Subagyo Pramumijoyo Subagyo Pramumijoyo Subagyo Pramumijoyo, Subagyo Subagyo Subagyo Subagyo Subagyo Subagyo Subagyo Subagyo Subagyo Sufriadin, Sufriadin Sujangka, Arsyad Sukadana, I Gde Sukamandaru Prihatmoko Sukamandaru Prihatmoko, Sukamandaru Sukmandaru Prihatmoko Sukmandaru Prihatmoko Supit, Jance Mudjani Suryawan, Eka Harris Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Sutarto Sutijan Sven Sindern Syafruddin Maula Syafruddin Maula Takahashi, Ran Takahashi, Ryohei Tamba, Fenny Thamba, F. Theo Van Leeuwen Theresia Fernandha Samuels Thwee Aye, May Tien Aminatun Timotius, Daniel Tun, Myo Min Ubaidillah, Aji Syailendra Wahyu Hermansyah Wahyu Widodo Wahyu Widodo Waterman Sulistyana Bargawa Wawan Budianta Wibowo, Decka Pynka Win Kant Win Khant Wiwit Suryanto Yonezu, Kotaro Yu Yu Myaing Yuni Kusumastuti, Yuni Yurniadi, Feddy Yuyun Prihatining Rahmah