Sains Malaysiana 55(10)(2026): 1774-1793

http://doi.org/10.17576/jsm-2026-5510-15

 

Eksplorasi Potensi Zon Pemineralan Emas menggunakan Teknik Keberintangan Geoelektrik dan Pengutuban Teraruh 2 Dimensi di Kawasan Sungai Tongkat, Setiu, Terengganu, Malaysia

(Exploration of Gold Mineralization Zone Potential using Geoelectrical Resistivity Techniques and 2-Dimensional Induced Polarization in Sungai Tongkat Basin, Setiu,
Terengganu, Malaysia)

 

MOHD HARIRI ARIFIN¹, AZLAN SHAH NERWAN SHAH^2,*, MOHAMAD KAMAL IZZAT³, MOHD AMIR ASYRAF SULAIMAN³, MOHD BASRIL ISWADI BASORI¹, NOR SHAHIDAH MOHD NAZER¹, KHAIRUL NAZRI YAAKUB⁴, SHARI B. ISMAIL⁵, MUHAMAD SAFID SAAD⁶ & ABDUL RAHIM HARUN⁷

                        

¹Program Geologi, Jabatan Sains Bumi dan Alam Sekitar, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

²Kumpulan Teknologi Bahan, Bahagian Teknologi Industri, Agensi Nuklear Malaysia, 43000 Kajang, Selangor, Malaysia

³Geo Technology Resources Sdn Bhd, 31-1, Jalan Mawar 5B, Taman Mawar, 43900 Sepang, Selangor, Malaysia

⁴Jabatan Mineral dan Geosains Terengganu, PT3102K, Jalan Sultan Sulaiman, 20000 Kuala Terengganu, Terengganu, Malaysia

⁵Jabatan Mineral dan Geosains Pahang, Jalan IM 4/1, Bandar Indera Mahkota, 25604 Kuantan, Pahang, Malaysia

⁶Bahagian Perkhidamatan Teknikal, Jabatan Mineral dan Geosains Malaysia, Jalan Sultan Azlan Shah, 31400 Ipoh, Perak, Malaysia

⁷Jabatan Mineral dan Geosains Malaysia, Tingkat 9 Menara PJH, Jalan Tun Abdul Razak, Presint 2, 62000 Putrajaya, Malaysia

 

Diserahkan: 29 Mac 2026/Diterima: 30 September 2026

 

*Pengarang untuk surat-menyurat; email: azlanshah@nm.gov.my

 

Abstrak

Jalur Timur Semenanjung Malaysia mempunyai potensi deposit logam, namun eksplorasi berfokuskan zon pemineralan emas subpermukaan berasaskan data geofizik bersepadu masih lagi terhad. Kajian ini menilai potensi zon pemineralan emas di kawasan Sungai Tongkat, Setiu, Terengganu menggunakan teknik keberintangan geoelektrik dan pengutuban teraruh (IP) 2 dimensi. Sebanyak 10 garis survei dengan panjang 200 m dan 400 m telah dijalankan dengan menggunakan susun atur Wenner-Schlumberger. Keputusan menunjukkan corak zon berpotensi pemineralan yang berbeza mengikut kedudukan geologi dan tekstur kuarza-sulfida. Zon dengan pengutuban teraruh tinggi (8-20 ms) dan keberintangan elektrik rendah hingga sederhana tinggi (1-800 Ωm) ditemui di barat laut kawasan kajian yang berpotensi mewakili koridor pemineralan berasosiasi dengan mineral sulfida tersebar di dalam zon perumah batuan metasedimen yang mengalami luluhawa atau rekahan kaya lempung. Sebaliknya, zon dengan keberintangan elektrik tinggi dan pengutuban teraruh tinggi (800-5000 Ωm; 8-20 ms) ditemui di zon tenggara menandakan kemungkinan pemineralan sulfida yang lebih tersebar atau kehadiran struktur telerang kuarza. Zon dengan keberintangan elektrik dan pengutuban teraruh rendah (1-200 Ωm; 0-2 ms) tertumpu di bahagian atas profil garis survei, mencadangkan peranan pola retakan Timur Laut ke Barat Daya di kawasan kajian yang bertindak secara fizikal sebagai saluran utama migrasi cecair hidrotermal pembawa emas. Keputusan kajian ini menyediakan kerangka eksplorasi subpermukaan terbaharu bagi prospek emas di Jalur Emas Timur Semenanjung Malaysia yang masih kurang diterokai.

Kata kunci: Jalur eksplorasi; keberintangan geoelektrik; pemineralan emas; pengutuban teraruh; Sungai Tongkat; zon berpotensi pemineralan

 

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