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All Journal JMARS: Jurnal Mosaik Arsitektur CALYPTRA : Jurnal Ilmiah Mahasiswa Universitas Surabaya Journal of Geoscience Engineering and Energy (JOGEE) JURNAL ABDI MASYARAKAT INDONESIA (JAMIN) International Journal of Current Educational Research Jurnal Penelitian Serambi Hukum
Budi Wijaya
Universitas Surabaya
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : Journal of Geoscience Engineering and Energy (JOGEE)

 1 
ANALISIS GEOKIMIA AIR DARI MANIFESTASI PERMUKAAN PADA PROSPEK PANASBUMI FF, KABUPATEN CIANJUR, PROVINSI JAWA BARAT: GEOCHEMISTRY WATER ANALYSIS FROM SURFACE MANIFESTATIONS AT FF GEOTHERMAL PROSPECT, CIANJUR REGENCY, WEST JAVA PROVINCE Fazli, Faiz; Hendrasto, Fajar; Wijaya, Budi
Journal of Geoscience Engineering and Energy VOLUME 4, NOMOR 2, AGUSTUS 2023
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jogee.v4i2.16068

Abstract

Lokasi penelitian prospek panasbumi FF yang terletak di Kabupaten Cianjur, Provinsi Jawa Barat mempunyai sumber daya panas bumi yang berpotensi cukup baik. Penelitian ini dilakukan dengan menggunakan data (sekunder) dari Ditjen Energi Baru Terbarukan dan Konservasi Energi (EBTKE) berupa data geokimia fluida serta isotop stabil untuk menghasilkan suatu model konseptual aliran fluida pada lapangan penelitian. Penelitian ini dilakukan untuk menunjukkan lebih detail melalui data permukaan sehingga dapat memberikan gambaran model untuk panasbumi yang terdapat di daerah FF. Terdapat dua tipe air pada daerah penelitian yaitu peripheral water pada lokasi manifestasi MG01, MG02, dan MG05 serta tipe suphate water pada lokasi manifestasi MG03, dan MG04. Pada lokasi MG01 yang terletak di bagian timurlaut daerah penelitian merupakan zona outflow, sedangkan pada lokasi sekitar puncak gunung (bagian baratdaya daerah penelitian) merupakan zona upflow. Sumber air pada daerah penelitian merupakan sea water berupa tipe immature water. The location of the observation field includes the FF geothermal prospect area, Cianjur Regency, West Java Province which has the potential of geothermal resources. This research was conducted by using secondary data from General Directorate of New Renewable Energy and Energy Conservation (EBTKE) in the form of geochemical and stable isotope data so as to produce a fluid flow conceptual model in the research field. Therefore, this study was conducted to look in more detail through surface data so that it can provide an overview for the geothermal model in the FF area. There are two types of water in the research area, namely peripheral water at the of manifestation location of MG01, MG02, and MG05 and the type of suphate water at the manifestation location of MG03, and MG04. At location MG01 which is located in the northeastern part of the research area is an outflow zone, while the location around the top of the mountain (southwestern part of the study area) is an upflow zone. The water source in the research area is sea water in the form of immature water
ANALISIS BALIK LERENG LOWWALL PADA “BLOK X” KABUPATEN TANAH BUMBU, PROVINSI KALIMANTAN SELATAN: BACK ANALYSIS OF LOWWALL SLOPES IN "BLOCK X" DISTRICT TANAH BUMBU, SOUTH KALIMANTAN PROVINCE Putri, Al Zahra; Imam Setiaji Ronoatmojo; Wijaya, Budi
Journal of Geoscience Engineering and Energy VOLUME 5, NOMOR 1, FEBRUARI 2024
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jogee.v5i1.19236

Abstract

Coal mining companies usually apply the open pit mining method in carrying out coal mining. Mining activities always have risks that cannot be avoided and unpredictable, one of which is a landslide in the mining area. Therefore, it is very necessary to control the risks of mining activities. One of them is like designing a slope design in the mine which is included in geotechnical aspects. And in the geotechnical aspect, it has a reverse analysis method that is very useful to determine the cause of avalanches in the area.
STUDI ALTERASI DAN KARAKTERISTIK URAT KUARSA EPITERMAL SUBSURFACE DAERAH “X”, GUNUNG PONGKOR, KABUPATEN BOGOR, PROVINSI JAWA BARAT: STUDY OF SUBSURFACE EPITHERMAL QUARTZ VEIN ALTERATION AND CHARACTERISTICS “X” AREA, PONGKOR MOUNTAIN, BOGOR REGENCY, WEST JAVA PROVINCE Ihsan, Muhammad Naufal; Meirawaty, Mira; Wijaya, Budi
Journal of Geoscience Engineering and Energy VOLUME 5, NOMOR 2, AGUSTUS 2024
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/8a8rj117

Abstract

Tekstur dan fasies urat yang beragam di daerah “X” menandakan daerah penelitian terbentuk dari beberapa fase mineralisasi, dengan setiap fasies memiliki hubungan yang berbeda dengan mineralisasi. Dengan melakukan pemetaan bawah permukaan dan core logging, peneliti berharap dapat menentukan karakteristik urat kuarsa meliputi meliputi litologi dan alterasi, tekstur dan fasies urat, serta hubungan tekstur urat dengan mineralisasi. Berdasarkan hal-hal tersebut, daerah penelitian berada pada zona bawah dari superzona crustifrom-colloform (CC). The diverse vein textures and facies in area "X" indicates that the study area was formed from several phases of mineralization, with each facies having a different relationship with mineralization. By conducting subsurface mapping and core logging, researchers hope to determine the characteristics of quartz veins based on lithology and alteration, vein texture and facies, as well as the relationship between vein texture and mineralization. Based on these things, the research area is in the lower zone of the crustifrom-colloform (CC) superzone.
KARAKTERISTIK ALTERASI SKARN DAN DISTRIBUSI MINERAL SULFIDA PEMBAWA TEMBAGA DI TAMBANG BIG GOSSAN LEVEL 2860L-2940L FOOTWALL WEST, PAPUA, INDONESIA: CHARACTERISTICS OF SKARN ALTERATION AND SULPHIDE MINERAL BEARING COPPER DISTRIBUTION AT BIG GOSSAN MINE 2860L-2940L FOOTWALL WEST, PAPUA, INDONESIA Amalina, Nur; Meirawaty, Mira; Sonbait, Daniel; Burhannudinnur, Muhammad; Hafiz, Surya Darma; Rendy; Koesmawardani, Wildan Tri; Wijaya, Budi
Journal of Geoscience Engineering and Energy VOLUME 6, NOMOR 1, FEBRUARI 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jogee.v6i1.22289

Abstract

Tambang Big Gossan di Papua Tengah dikenal dengan mineralisasi tembaga yang terbentuk akibat intrusi diorit pada batuan karbonatan Formasi Waripi. Penelitian ini bertujuan menganalisis karakteristik alterasi dan mineralisasi tembaga di level 2860, 2900, dan 2940 Footwall West. Metode yang digunakan termasuk pemetaan geologi dan analisis laboratorium (petrografi, mineragrafi, dan XRD). Hasilnya, ditemukan empat satuan litologi serta lima zona alterasi, yaitu klinopiroksen-garnet-kuarsa, epidot-klorit-kuarsa-kalsit, garnet-kuarsa-kalsit-piro pilit-epidot, piropilit-kuarsa-kalsit, dan aktinolit-kuarsa-klorit. Mineral sulfida tembaga utama adalah kalkopirit dan bornit, dengan pirit, pyrrhotite, dan magnetit sebagai mineral pembawa besi. Tembaga terakumulasi pada zona retrograde alterasi 2, 3, 4, dan 5. The Big Gossan mine in Central Papua is known for its copper mineralization, formed due to diorite intrusion into the carbonate rocks of the Waripi Formation. This study aims to analyze the characteristics of alteration and copper mineralization at levels 2860, 2900, and 2940 Footwall West. The methods used include geological mapping and laboratory analyses (petrography, mineragraphy, and XRD). The results revealed four lithological units and five alteration zones: clinopyroxene-garnet-quartz, epidote-chlorite-quartz-calcite, garnet-quartz-calcite-pyrophyllite-epidote, pyrophyllite-quartz-calcite, and actinolite-quartz-chlorite. The main copper sulfide minerals are chalcopyrite and bornite, with pyrite, pyrrhotite, and magnetite as iron-bearing minerals. Copper is concentrated in the retrograde alteration zones 2, 3, 4, and 5.
A REVIEW OF GEOPHYSICS STUDY OF GRAPHITE OCCURRENCES IN BALAI SEBUT COMPLEX, SANGGAU, WEST KALIMANTAN Maulana, Rizki Fajar; Sulyana, Deska; Meirawaty, Mira; Yuda, Himmes Fitra; Hendrasto, Fajar; Wijaya, Budi; Apriniyadi, Mohammad
Journal of Geoscience Engineering and Energy VOLUME 6, NOMOR 1, FEBRUARI 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jogee.v6i1.22455

Abstract

Graphite is a non-metallic polymorph mineral formed by carbon. Graphite has become indispensable in the worldwide industry due to its widespread applications, such as industrial uses, energy transition, and even electricity. It is a critical anode element for lithium-ion batteries. Graphite has unique physical characteristics. It has a very low specific gravity and is an extraordinarily soft but highly conductive material. It is exceptionally heat-resistant, making it applicable in metallurgy and manufacturing. Due to all characteristics, graphite occurrences in Indonesia are slightly unknown. In contrast, there is a possibility, according to some Palaeozoic metamorphic host graphite in several parts of Indonesia. This study will enlighten early-step exploration of graphite potency in Balai Sebut, Sanggau Regency, and West Kalimantan. We combined airborne and ground geophysics using Active Directory Magnetotelluric (ADMT) tools to estimate graphite distribution on the surface and subsurface. We also did laboratory analysis to validate graphite content using petrography analysis, X-ray diffraction (XRD), and carbon analyzer (LECO) of some representative graphite-bearing rock from fieldwork. Graphite in the research area is exposed to the surface, like in Empiyang, whereas potential graphite in the Terati area lies 0-6 m below the subsurface. Petrographic analysis shows that graphite occurs as flake graphite that is characterized by widespread distribution with low thickness. Both LECO and XRD confirmed the occurrence of these graphite-bearing rocks, with the total amount of graphite ranging from 0.91‒1.58%. This research is expected to provide suggestions in the early stage of graphite exploration based on thematic cases as graphite occurrences in the Balai Sebut area.
Co-Authors Athallah, Fahd Nibel Dalimunthe, Yusraida Khairani Fajar Hendrasto Fazli, Faiz Firman Herdiansyah, Firman Hafiz, Surya Darma Ihsan, Muhammad Naufal Imam Setiaji Ronoatmojo KHADAFI, MUHAMMAD Koesmawardani, Wildan Tri Lestianingrum, Devi Listiana Satiawati, Listiana Marsela, Selly Maulana, Rizki Fajar Meirawaty, Mira Mohammad Apriniyadi Muhammad Burhannudinnur Mutia Mutia, Mutia Neni Mariana Nur Amalina Puri Wijayanti, Puri Putri, Al Zahra Rahaju, Endah Budi Rendy Silia Yuslim Sonbait, Daniel Sulyana, Deska Syavitri, Dewi Widianti, Anyta Yanti, Murny Deni Yuda, Himmes Fitra