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All Journal Jambura Geoscience Review Jurnal Sains dan Teknologi Tadulako
Botjing, Muslimin U.
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Materials Science & Nanotechnology

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Geodiversity Inventory for Geotourism in Tanjung Api Central Sulawesi DM, abd Rahman; Fitriana, Tati; Botjing, Muslimin U.
Jambura Geoscience Review Vol 7, No 2 (2025): Jambura Geoscience Review (JGEOSREV)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jgeosrev.v7i2.30709

Abstract

This study investigates the geological diversity of the Tanjung Api region in Tojo Una-Una Regency, Central Sulawesi, with the aim of identifying potential sites for geotourism and geological heritage designation. Through field observations, lithological and geomorphological mapping, petrographic analysis, and structural interpretation, ten geological sites were inventoried. Among them, Gua Kehidupan and Tanjung Api were identified as fulfilling national criteria for geological heritage due to their exceptional features, including fossil-bearing caves, sinkholes, and active gas seeps related to tectonic brecciation. The remaining sites exhibit significant geotourism value, particularly in coastal, volcanic, and sedimentary contexts. Findings from this study highlight the relevance of geodiversity in supporting sustainable tourism and geoconservation. By integrating geological features with educational and community-based values, Tanjung Api demonstrates strong potential to be developed into a geotourism destination that balances scientific significance, cultural relevance, and ecological preservation. The inventory and qualitative assessment serve as a reference for future geoheritage planning and site management. The study recommends involving local stakeholders in the promotion and conservation of these sites to ensure long-term sustainability and community benefits.
KARAKTERISTIK DAN PEMANFAATAN BATUAN SERPENTINIT DI DESA UEKULI KABUPATEN TOJO UNA-UNA PROVINSI SULAWESI TENGAH Botjing, Muslimin U.
Jurnal Sains dan Teknologi Tadulako Vol 11 No 2 (2025): Agustus 2025
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jstt.v11i2.980

Abstract

Serpentinite rock is one of the mineral sources of magnesite this is known by the considerable content of the element magnesium (Mg). Testing the physical and chemical properties of serpentinite rocks found in certain locations is considered to have considerable prospects to be utilized and developed. The research was conducted in Uekuli Village Tojo Una-Una Regency Central Sulawesi Province using X-Ray Diffraction (XRD) and X-Ray Flourescence (XRF) methods. The results of XRD analysis obtained 4 types of minerals in the ST 02 test sample namely olivine as much as 3.4% lizardite 72.4% forsterite 18.6% and orthopyroxine as much as 5.6%. While at station 09 2 minerals were obtained namely lizardite 97.5% while hematite was 2.5%. Meanwhile based on the results of XRF testing the ST 02 sample has a dominant compound of MgO as much as 42.754% and SiO2 as much as 43.185%. Similarly the ST 09 sample has a dominant compound of MgO as much as 39.314% and SiO2 as much as 40.866%. In the analysis results it can be seen that the content of Al2O3 and K2O is quite low while the content of MgO and Fe2O3 is quite high. The high content of MgO and SiO2 is a characteristic of serpentinite rocks where serpentinite rocks are rich in magnesium and silica.
Co-Authors DM, abd Rahman Fitriana, Tati