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All Journal STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering G-Tech : Jurnal Teknologi Terapan Jurnal Teknika : Jurnal Teoritis dan Terapan Bidang Keteknikan Jurnal Sosial dan Teknologi Indonesian Community Journal Innovative: Journal Of Social Science Research Lentera: Multidisciplinary Studies Jurnal Teknik Pertambangan (JTP) Diteksi : Jurnal Pengabdian Kepada Masyarakat Lentera: Multidisciplinary Studies
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Fakultas Teknik, Universitas Palangka Raya
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Journal : G-Tech : Jurnal Teknologi Terapan

 1 
Karakteristik Petrologi Batuan Daerah Banturung Kecamatan Bukit Batu Kota Palangka Raya I Putu Putrawiyanta; Novalisae Novalisae; Noveriady Noveriady; Neny Fidayanti; Irga Loti Rante; Hendrik Brianto
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5508

Abstract

The Banturung area, a sub-district in Bukit Batu District, Palangka Raya City, mostly consists of rocky hill morphology. This research aims to determine the characteristics of rocks in the Banturung area based on petrological analysis and direct observation of rock outcrops at the research location. Characteristics can be determined by direct field observation or by macroscopic observation, where what is observed are physical properties including color, structure, texture, mineral composition and also the formation process. From the results of the analysis it is known that the characteristics of the rocks at the research location include igneous rock types and there are several mineral compositions with an average percentage of quartz 52.5%, plagioclase 21.3%, mica 8.6%, biotite 5%, hornblende 11, 3% and 1.3% pyrite mineral.
Identifikasi Kandungan Unsur Mineral Pada Area Bekas Tambang Emas Placer Dengan Metode X-Ray Fluorescence Ferdinandus Ferdinandus; I Putu Putrawiyanta; Novalisae; Noveriady Noveriady; Immanuel Nababan; Matius Yosefhin
G-Tech: Jurnal Teknologi Terapan Vol 8 No 4 (2024): G-Tech, Vol. 8 No. 4 Oktober 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v8i4.5604

Abstract

The lack of knowledge and technology in small-scale community gold mining means that many concentrations of other valuable mineral elements cannot be identified and retrieved. This research aims to determine the remaining elemental content in former small-scale community gold mining areas. The research method is by taking leftover mining material at the research location and then preparing and analyzing it using the X-ray Fluorescence (XRF) method. The research results from the 9 sample points taken showed that the concentrations of the elements Si (Silica) and Fe (Iron) were the most dominant with an average value of Silica (Si) 85% and Iron (Fe) 7.37%. It can be concluded that at the research location there are still other mineral elements of economic value besides gold that are not mined and utilized.
Identifikasi Kandungan Konsentrat Mineral Logam Pada Tailing Penambangan Emas Rakyat Noveriady, Noveriady; Novalisae, Novalisae; Putrawiyanta, I Putu; Ferdinandus, Ferdinandus
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6785

Abstract

Artisanal gold mining in the Kahayan River Basin (DAS Kahayan), Ramang Village, produces tailings that contain metallic minerals such as zircon (Zr), yet their management remains suboptimal. This study aims to identify the zircon content in the concentrate resulting from shaking table separation and to analyze the geological and hydrological factors influencing its distribution. The results show that zircon content in the tailings ranges from 0,002% to 0,112%. The highest concentration was found in the upstream area (Z1), while the lowest was in the downstream area (X1), indicating that river flow direction and tidal influences play a role in zircon particle distribution. The zircon identified is genetically linked to the weathering of granite rocks, particularly the Kapur Granite Formation and Sepauk Tonalite in the upstream region. These findings indicate that current small-scale gold mining practices remain inefficient, allowing zircon to be discarded in tailings. This study emphasizes the importance of improved tailings management through efficient containment systems, the potential for reprocessing, and continuous environmental monitoring to enhance resource utilization and reduce the ecological impact of traditional mining.
Technical Design of Pit B Mining PT Indo Muro Kencana Murung Raya Regency, Central Kalimantan Province Talayuk, Monica Anastacia Oktavia; Tanggara, Deddy NSP; Putrawiyanta, I Putu; Novalisae, Novalisae; Inso, Yos David
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.7790

Abstract

This research aims to make a technical design for mining in Pit B, an area planned by PT Indo Muro Kencana to be exploited based on the evaluation of economic ore reserves. Pit B is an area that has never experienced mining activities before. The mine design method involves a technical design process that considers geotechnical, topography, and reserve data aspects to determine an economical and technically feasible mining deadline. The purpose of this method is to produce an optimal and safe mining design, in order to maximize the extraction of mineral reserves by paying attention to work safety. The research method applied is quantitative, used to design pit and waste dump designs and calculate the difference in reserves between the researcher's design results and the company's pitshell data using surpac software. Descriptive analysis is carried out to explain the design process and calculation of the proposal. The pit geometry parameters include a level height of 15 meters, a level width of 5 meters, a slope of 60°, and a ramp width of 15 meters with a slope of 10%, according to the company's operational standards. The results of the calculation of the reserve volume showed that ore amounted to 326,809 tons and waste 4,911,173 tons. The reserve difference between the design and pitshell data is still within the company's tolerance limit of 33%, so this technical design is suitable as the basis for mining operations in the field.
Identification of Hydrothermal Rock Alterations Based on Petrographic Analysis in Banturung Area, Bukit Batu District, Palangka Raya City Putrawiyanta, I Putu; Novalisae, Novalisae; Noveriady, Noveriady; Fidayanti, Neny; Rante, Irga Loti; Brianto, Hendrik
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.7991

Abstract

The Banturung region mostly consists of the morphology of igneous rock hills where most of the rocks physically show that they have undergone a process of change, so more detailed research is needed to distinguish the types of rocks that exist at the research site. This study aims to determine the distribution and types of rocks that undergo alterations at the research site. The research method with petrographic analysis, due to mineral changes and changes in rock composition in alterations can be observed from microscopic observations by paying attention to the mineral composition. The rock sample is cut into thin incisions measuring 0.035 mm so that it can be observed under a microscope. From the results of the rock incision analysis, it is known that the characteristics of rock alteration at the study site include the type of Phyllic alteration with serisite as a key mineral, with a very low alteration intensity < 25%, and hydrothermal alteration processes in dacite and tonalite rocks. This alteration process can be an early indication of the formation of metallic minerals or mineralization of valuable minerals at the research site, which is also strengthened by the discovery of pyrite minerals at the research site so that it can be further developed as a source of mineral resource research.
Co-Authors Al Fiah. B, Dwi Ayu Angelina Butarbutar, Fani APRILIA, REZA Brianto, Hendrik Deddy Tanggara Eppi Marina Simanjuntak Erlangga Eka Wijaya Fahrul Indrajaya Ferdinandus Ferdinandus Ferdinandus, Ferdinandus Ferra Murati Fidayanti, Neny Hendrik Brianto Hepryandi L. Dj. Usup I Putu Putrawiyanta Immanuel Nababan Indrajaya , Fahrul Indrajaya, Fahrul Inso, Yos David Irga Loti Rante L., Prayoga Betrio Luwyk Djanas Usup, Hepryandi Martua Risa Munthe Matius Yosefhin Mindo Tiorida Panjaitan Nainggolan, Willy Kusuma Nasrullah Nasrullah Neny Fidayanti Neny Sukmawatie Noveriady Nuansa Mare Apui Ganang Pitria, Pitria Putri, Shafa Alya Nabilah Rante, Irga Loti Saputra, Rafiq Aldi Simanjuntak, Eppi Marina Sinaga, Elme Romayani Sitanggang, Edy Andreas Sukmawatie, Neny Talayuk, Monica Anastacia Oktavia Tolayuk, Monica Anastacia Oktavia Tolayuk Usup, Hepryandi Luwyk Djanas Virgiyanti, Lisa Waruwu, Siti Rohani Yossa Yonathan Hutajulu Yunida Iashania Yunitae Kristianie Yusias Andri