Pendugaan Jenis Batuan Bawah Permukaan Lembar Banjarmasin Kalimantan Selatan Berdasarkan Anomali Magnetik
DOI:
https://doi.org/10.26418/pf.v10i3.57850Abstract
Telah dilakukan pendugaan jenis batuan bawah permukaan berdasarkan anomali magnetik di daerah dengan koordinat geografis 3 ° 00"™ 00" hingga 3 ° 30"™ 0.00" LS dan 115 °00"™0.00" hingga 115 ° 30"™ 0.00" BT. Data yang digunakan berasal dari peta anomali magnet total Lembar Banjarmasin yang diterbitkan oleh Pusat Survei Geologi Bandung. Reduksi ke ekuator dan kontinuasi ke atas dilakukan untuk mengetahui sebaran batuan bawah permukaan. Berdasarkan model yang dihasilkan, nilai anomali magnet total di lokasi penelitian berada di kisaran -725 nT sampai 458 nT. Model penampang 2D sayatan A-A"™, sayatan B-B"™, dan sayatan C-C"™ yang dibuat menunjukkan keberadaan kuarsa, kuarsa pasir, batu pasir, lempung, batu gamping, batuan breksi gunung api, lava andesit, batuan beku basa, batuan andesit basalt, mineral diamagnetik, dan batuan ultramafik.References
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Date: 24-05-2023
Prisma Fisika
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