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All Journal Jurnal Dinamika Pengabdian (JDP) Jurnal Geomine International Journal of Applied Sciences and Smart Technologies Journal of Geology and Exploration Indonesian Journal of Community Empowerment Journal Of Chemical Process Engineering Journal of Mining Insight Journal of Engineering Science and Technology Applications
Anshariah, Anshariah
Universitas Muslim Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Public Health

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Pengaruh Perubahan Kedalaman Pengendapan Terhadap Kadar Air Batubara Daerah Bonto Birao Kecamatan Tondong Tallasa Kabupaten Pangkep Harwan, Harwan; Anshariah, Anshariah; Alfian, Nuppy
Jurnal of Mining Insight Vol 3 No 2 (2025): Journal of Mining Insight
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jmi.v3i2.294

Abstract

Batubara merupakan salah satu sumber daya alam berupa batuan organik yang terbentuk secara alami. Proses pembentukannya dipengaruhi oleh suhu dan tekanan. Formasi batubara daerah penelitian termasuk formasi mallawa. Kualitas batubara bergantung pada karakteristik fisik dan kimianya, salah satunya adalah kadar air. Kadar air dalam batubara merupakan parameter penting karena memengaruhi nilai kalor, efisiensi pembakaran, serta biaya transportasi dan pengolahan. Penelitian ini bertujuan untuk mengetahui faktor yang mempengaruhi kadar air batubara berdasarkan kedalamannya. Metode pengambilan sampel yang digunakan pada penelitian ini yaitu menggunakan metode channel sampling. Metode preparasi yang digunakan dalam penelitian ini menggunakan metode manual dengan cara di tumbuk menggunakan mortar laboratorium, ukuran butir sampel yang digunakan pada analasis proksimat 0,18 mm atau lebih kecil. Hasil analisis proksimat dari ketiga sampel diperoleh nilai kadar air dari sampel atas dengan kedalam 110 cm mengandung kadar air 11,231%, sampel tengah dengan kedalam 175 cm mengandung kadar air 4,507% dan sampel bawah dengan kedalaman 240 cm mengandung kadar air 5,318%. Berdasarkan hasil analisis tersebut dapat disimpulkan bahwa faktor yang mempengaruhi perubahan kedalam terhadap kadar air batubara anatara lain; Umur batubara, cuaca, lokasi pengendapan, tekanan, kegiatan eksplorasi dan penanganan sampel.
Characteristics of Epithermal Mineralization in Block Jalur 7 Bolaang Mongondow Regency, North Sulawesi Firdaus F; Malureng, Niciawati Dg; Hasbi Bakri; Wakila, Muhamad Hardin; Anshariah, Anshariah; Rizky Nurul Aulia
Journal of Geology and Exploration Vol. 4 No. 2 (2025): Journal of Geology and Exploration, December 2025
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jge.v4i2.250

Abstract

Indonesia has the potential as an area containing large reserves of gold and sulfide minerals. One of the areas with the potential to produce gold is Bolaang Mongondow Regency, North Sulawesi Province. This study aims to identify the characteristics of epithermal deposition mineralization, including texture and the presence of mineralization, to determine its paragenesis. The analysis methods used are petrography, mineralogy, and X-ray Diffraction (XRD). As many as six samples in the test well are described megascopically and polarization microscopically, which have been ground into clay-sized fractions and analyzed using the X-ray Diffraction (XRD) method to detect clay minerals and other altered mineral associations. The quartz texture present at the research location based on megascopic observations is generally dominated by saccharoidal, vuggy, mold, banded, and chalcedonic textures. The identified minerals are generally dominated by base metal minerals, with paragenesis in sequence being pyrite, chalcopyrite, galena, hematite, ilmenite, and geothite. Alterations in the research area are in the form of Argillic, Silicic, Silica-Carbonate, and propylitic zones. The study's results concluded that the type of mineralization in Bolaang Mongondow Regency, North Sulawesi, is of the low-sulfidation epithermal type.
Co-Authors . Hamri . Sukmawati Abd Razak Kadir Abdul Salam Munir Agus A Budiman Agus Ardianto Budiman Alam Budiman Thamsi Alfian Nawir Alfian, Nuppy Amrun Liemin Andi Fahdli Heriansyah Ardhana, Muh. Reza Ardianto Budiman, Agus Arfansyah, Muh. Arif Nurwaskito Astuti, Sri Epi Azis, Muh. Heri Bakri, Hasbi Basalamah, Muhammad Syafi’I A Bintang Akbar , Achmed Dewanti, Alda Titania Dian Dwi Apriliyani Arsdin Djamaluddin Djamaluddin Erwin Malaidji Erwin Malaidji Febiyanti, Dian Firdaus F Firdaus F Firman Nullah Yusuf Fitri Amalia Habibie Anwar Haeruddin Haeruddin Harwan, Harwan Hasbi Bakri Idris Juradi, Muhammad Irwan, Muhammad Reza Ardhana Jamaluddin Jamaluddin Kamal, Zulkifli Lathif Talayansa Malureng, Niciawati Dg Marnas, Muhammad Adam Muhammad Aswadi Muliadi Muliadi Nawir, Alfian Nurfalaq, Aryadi Nurliah Jafar Nurwaskito, Arif Pongkessu, Agriani Prasetyawati Umar, Emi Putri Hamdan, Annisya Rahmaniah Malik Rismawati Rasyid Rizky Nurul Aulia Ruslan Kalla, Ruslan Samsul Samsul Saputra, Isroq Aditya Ekyan Sri Widodo Sri Widodo Sukmawati Sukmawati Supratman Supratman Tholib, Mohammad Wakila, Muhammad Hardin Windawati Windawati, Windawati