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La Ode Dzakir
Sembilanbelas November University Of Kolaka
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Journal : Journal of Geoscience, Engineering, Environment, and Technology

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Assessing the Carbon Sequestration Potential of Ultramafic Rocks in the Kolaka Ophiolite Complex, Southheastern Sulawesi: A Petrographic, Geochemical, and Mineralogical Study Syahrul; La Ode Dzakir; Riska; Rio Irhan Mais Cendra jaya; Masri
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 1 (2025): JGEET Vol 10 No 01 : March (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.1.19484

Abstract

Climate change has prompted significant global interest in carbon sequestration technologies, particularly using geological formations. This study investigates the potential of ultramafic rocks from the Kolaka Ophiolite Complex in Southeast Sulawesi for carbon sequestration, focusing on the mineralogical, petrographic, and geochemical characteristics that enhance their reactivity with CO₂. The research involved petrographic and mineragraphic analyses of 15 peridotite samples, geochemical measurements via X-ray fluorescence (XRF), and mineral characterization using scanning electron microscopy (SEM). The results revealed that Kolaka's ultramafic rocks, particularly harzburgite and lherzolite, exhibit moderate to high serpentinization, which enhances their reactivity with CO₂. Key minerals such as olivine, pyroxene, and serpentine, rich in magnesium, calcium, and iron oxides, demonstrate significant potential for mineral carbonation. Secondary minerals like magnesite and brucite were identified as products of carbonation, reinforcing the rocks' ability to act as carbon sinks. The discussion highlights that serpentinized peridotites are more effective for carbon sequestration than unaltered ones due to increased mineral reactivity. The presence of magnesite and Cr-Fe-rich carbonates, alongside serpentine veins, indicates that fluid-rock interactions have promoted ongoing carbonation processes. The Kolaka ultramafic rocks, therefore, hold strong potential for long-term carbon storage, offering a promising solution for reducing atmospheric CO₂ levels
Co-Authors Agry, Agry Falah Akhmad Akhmad Aksal Ramadhan Shaddad Al Tafakur La Ode Aldiyansyah Aldiyansyah Aldiyansyah Amir, Muh. Karnoha Amir, Muhamad Karnoha Andi Fahdli Heriansyah Aqsal Ramadhan S. arif Arif Arif Arif Arif Arman Hidayat Arya Dirgantara Bagus Eko Prasetyo Dullah, Nurkhalis Mahmudah Edwin, Romy Suryaningrat Eko Bambang Murdiansyah Farsan, Adwil Rilansyah Fathur Rahman Rustan Haerul Purnama Hafram, Anshariah Halir, Ahmad Hariono Hariono Hariono Hariono Hasrianto, Hasrianto Hasriyanti Hasriyanti Hasriyanti Heri Santoso Idham Idham Isram Yano Yatjong Isramyano Yatjong Isramyano Yatjong Jamal Rauf Husain Jaya, Rio Irhan Mais Cendra Jayawarsa, A.A. Ketut Kadar, Muhammad Ilham Kamaluddin, Muhammad Kumalasari, Rizki Laode, Al Tafakur M. Ikhsan Made Astawa Rai Mansyur Mansyur Mansyur Marina Marina Masgode, Muhammad Bottomi Masgode, Muhammad Buttomi Masri Masri Muhamad Karnoha Amir Muhammad Ilham Kadar Muhammad Ilham Kadar Mursalim Ninoy La Ola Musnajam Nuhindro Priagung Widodo Nur Asmiani Nurfasiha Nurfasiha Nurfasiha Nurfasiha, Nurfasiha Nursyafika, Nursyafika Raivel, Raivel Ramadhan Shaddad, Aqsal Renaldi, Ahmad Retno Puspaningtyas Rezki, Irka Sri Rina Rembah Riska Riska Riska Rizkal Rizki Kumalasari Sahrul Poalahi Salu Sahrul Sahrul Sarif, Sarif Septi Adnan Septina, Dina Simatupang, Minson Sri Widodo Sultra, Riski Salsabilah Suwarto Sunandar Suwarto Suwarto Suwarto Suwarto Syahrul Syahrul Syahrul Syahrul Syahrul Tamburaka, Irmawatti Paula Yatjong, Isramyano Yogi La Ode Prianata Zakina, Besse Ririn