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All Journal Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources)
Akbar Cita
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Chemistry Earth & Planetary Sciences Energy

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Identifikasi Mineral Lempung pada Formasi Warukin di Daerah Kandangan, Provinsi Kalimantan Selatan Berdasarkan Data Pengujian ASDngan, Provinsi Kalimantan Selatan Berdasarkan Data Pengujian ASD Jamal Jamal; Sonia Rijani; Sigit Maryanto; Akbar Cita
Jurnal Geologi dan Sumberdaya Mineral Vol. 22 No. 1 (2021): JURNAL GEOLOGI DAN SUMBERDAYA MINERAL
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v22i1.564

Abstract

Penelitian ini dilakukan untuk mengetahui jenis mineral lempung yang terkandung pada batulemung penyusun Formasi Warukin yang dijumpai di daerah Kandangan, Kalimantan Selatan. Sejumlah 10 sampel batulempung telah diambil untuk analisis laboratorium metode ASD. Peralatan pengujian metode ASD di Pusat Survei Geologi dapat digunakan untuk menentukan jenis mineral lempung yang tidak terekam pada pengamatan petrografi. Jenis mineral lempung yang dijumpai terdiri atas kaolinit dan illit, dan mineral bukan-lempung yang teridentifikasi adalah klinoklor, silika dan mineral Fe+3. Batuan sumber formasi ini adalah batuan kaya feldspar atau batuan granitik pada lingkungan tektonik orogenesa yang terdaur-ulang.Katakunci: Formasi Warukin, batulempunng, kaolinit, illit, granitik.
Tectonic Geomorphology of Ultramafic Complex in Asera, North Konawe Regency Faturrakhman, Muhammad Luthfi; Dian Novita; Akbar Cita; Rohman; Inge Triguri
Jurnal Geologi dan Sumberdaya Mineral Vol. 25 No. 3 (2024): JURNAL GEOLOGI DAN SUMBERDAYA MINERAL
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v25i3.853

Abstract

Ultramafic complex in Sulawesi have many potential from mining to environmental aspects. The process of weathering and tectonic is a key factor in understanding how to utilize these potential. Tectonic geomorphology by using morphometric indices and field observation has proven to be a beneficial method in distinguishing the topography and morphogenetic development of a region due to the complex interaction between erosional processes and tectonic movements. IAT measurement of 71 sub-basins shows that tectonic activity in the research area are divided into 4 classes with values ranging from 1,5 – 2,6. Field observation shows that morphologically the research area are faulted hills consist of peridotite, dunite and pyroxenite with various degree of weathering. The effect of weathering also reveal on the shape of sub-basins and drainage density in the research area. Tectonic activity present in the form of intensive joint on some parts, with no clear correlation with IAT Class. keyword: tectonic geomorphology, carbon capture storage, ultramafic, east Sulawesi ophiolite, morphometric indices
Co-Authors Dian Novita Inge Triguri Jamal Jamal Luthfi, Muhammad Rohman Sigit Maryanto Sonia Rijani