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All Journal IJOG : Indonesian Journal on Geoscience Jurnal technoscientia Jurnal Teknologi Jurnal Mineral, Energi dan Lingkungan Dharma Bakti Jurnal Mineral, Energi dan Lingkungan JURNAL TEKNOLOGI TECHNOSCIENTIA JNANALOKA Jurnal Multidisiplin Madani (MUDIMA) Jurnal Pengabdian Masyarakat As-salam Jurnal Pengabdian Masyarakat Bhinneka Reinforcement Review In Civil Engineering Studies and Management Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Teknologi Jurnal Riset dan Pengabdian Interdisipliner
Arie Noor Rakhman
Institut Sains & Teknologi AKPRIND Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Fluid Inclusion and Mineralization of Base Metals in Cretaceous Metamorphic Rocks, in Jiwo Hills, Bayat, Klaten, Central Java Maulana, Fivry Wellda; Rosana, Mega Fatimah; Yuningsih, Euis Tintin; Haryanto, Agus Didit; Purwanto, Heru Sigit; Rakhman, Arie Noor
Indonesian Journal on Geoscience Vol. 11 No. 2 (2024)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.11.2.251-267

Abstract

The lack of mineralization research on metamorphic rocks in Java, especially in the Jiwo area, is part of the research interest. The host rock of ore mineralization in the Jiwo area is Cretaceous metamorphic rock located in the hilly area of Jiwo, Klaten, Central Java. The presence of chlorite, actinolite, quartz, epidote, and garnet minerals indicates the metamorphic facies of greenschist. Meanwhile, the presence of glaucophane, quartz, and epidot minerals is a metamorphic facies of blueschist. The metamorphic rock research method was carried out in several stages: 1. Observation; 2. Field data collection, including mapping of metamorphic rock distribution, general geological conditions and rock sampling; and 3. Laboratory analysis. Laboratory analysis testing consists of petrography, ore microscopy, geochemistry (AAS), and fluid inclusion. Alterations that develop in the researched area are in the form of propylitic (chlorite, calcite, epidote), argillic, and silicification (quartz, graphite, calcite, carbonate minerals). Ore microscopy analysis has identified the presence of mineral sulfide such as pyrite, chalcopyrite, bornite, galena, and covellite. In addition, galena was found covered with chalcopyrite. Based on AAS analysis on mineralized metamorphic rocks, Au levels are 0.001 - 0.008 g/t, Ag 0.1 - 2.4 g/t, Cu 4 - 75 g/t, Zn 14 - 166 g/t, and Pb 11 - 60 g/t. The inclusion of fluid from the discordant vein was obtained with a homogenization temperature (Th) of 312 - 435 0C, with a salinity of 1.95 - 5.05 wt. % eq. with isothermal mixing and heating depressurization conditions. The isothermal mixing process is a mixture of meteoric fluids and metamorphic fluids. Meanwhile, heating depressurization occurs during subduction, so that the temperature is relatively high. The homogenization temperature (Th) of the concordant vein ranges from 168.5 - 296.55 °C, with a salinity of 1.95 -12.6 wt% NaCl eq. A salinity of 12 wt% NaCl is formed due to liquids that are aquos trapped at high pressure and temperature conditions and the devolatilization process that occurs during subduction. Based on the plotting of the homogenization temperature range and the salinity of fluid inclusion, which is 168.5 - 4350C and 1.95 - 12.6 wt% NaCl eq, the type of deposits in the study area is in the range of Au lode or orogenic deposits. The existence of two homogenization clusters in the Jiwo Hill is estimated to be part of the process of forming the blueschist facies with greenschist which is shown in the retrograde actinolite in the glaucophane epidote schist rock which is part of the blueschist facies.
Pemberdayaan Perempuan dalam Penguatan Pengelolaan Bank Sampah Berbasis Digital di Karanggayam, Kalurahan Catur Tunggal, Sleman: Pengabdian Rakhman, Arie Noor; Maulana, Fivry Wellda; Prabowo, Fajar Yulianto; Sholeh, Muhammad
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 3 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 3 (Januari 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i3.3881

Abstract

This community service program was carried out at the Wimalandaru Waste Bank in Karanggayam Hamlet, Catur Tunggal Village, Sleman, to improve waste management effectiveness through the implementation of a web-based waste bank application. The digital system implementation was able to address the partner’s main problems, particularly the inefficiency of manual record-keeping, limited structured data, and low community participation. Digitalization was conducted for 158 customers, with women comprising 65.82%, along with the documentation of 41 waste categories complete with prices and statuses, which improved transaction accuracy and service speed. The success of the program was influenced by the active participation of the management team, strong motivation among women’s groups, and the availability of digital devices. However, challenges were still encountered, especially those related to variations in digital literacy and network constraints. Therefore, further development was recommended through digital capacity-building training, strengthening network infrastructure, and expanding women’s empowerment in waste sorting and recycling-based entrepreneurship. With continuous monitoring, the application was expected to serve as a model for adaptive and sustainable technology-based waste bank management at the village level.
Co-Authors -, Muchlis Agus Didit Haryanto -, Agus Didit Haryanto Cherlin Rian Rosalia Dwi Indah Purnamawati, Dwi Indah Dwi Sukmawati, Paramita Euis Tintin Yuningsih Fivry Wellda Maulan Fivry Wellda Maulana Heriyadi, Nur Widi Astanto Agus Tri Heru Sigit Purwanto Jarwanto Jarwanto Mega Fatimah Rosana Muchlis Muchlis MUHAMMAD SHOLEH Nofrohu Retongga Nur Widi Astanto Prabowo, Fajar Yulianto Septyawan, Bayu Ade Suprapto, Rachdian Eko Thomas Budi Antoni Tri Winarno Widiarso Dian Agus