D A Nainggolan
Pusat Survei Geologi

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STRUKTUR GEOLOGI BAWAH PERMUKAAN DAERAH PEKALONGAN DAN SEKITARNYA BERDASARKAN ANALISIS ANOMALI GAYA BERAT DAN MAGNET D A Nainggolan
Jurnal Geologi dan Sumberdaya Mineral Vol. 19 No. 2 (2009): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v19i2.200

Abstract

The result of gravity measurement in the studied area, which is mainly covered by volcanic rocks, has an anomaly value ranging from -11 to 45 mgal. Quantitative interpretation of Bouguer anomaly and magnet shows a subsurface profile depicting the geological processes and tectonic activities. The qualitative analysis results of residual and Bouguer anomalies indicate faults mainly have east - west and north - south directions. Meanwhile, the quantitative analyses of three subsurface model profiles show the graben structure in the Subah area to the south east of Batang city.  Keywords : gravity, magnet, faults, graben, structural geology, Pekalongan area