GRAVITY AND MAGNETIC DATA ANALYSIS FOR SUBSURFACE MODELING AREA TEGAL

• Main Author: Kusdiyana, Ully
• Format: Theses
• Language: Indonesia
• Subjects: Teknik (Rekayasa, enjinering dan kegiatan berkaitan)
• Online Access: https://digilib.itb.ac.id/gdl/view/69623
• Institution: Institut Teknologi Bandung

This study is intended to be able to describe subsurface of the research area specifically defining an object that previously could not be ascertained whether in the form of intrusion (intrusive rock) igneous rock or carbonate build up. A total of 134 gravity measurement points and 386 magnetic measurement points were used to support this study. Data processing is done by processing gravity data to obtain a complete Bouguer anomaly, separation of regional anomaly and residual anomaly, and 3D inversion modeling, horizontal and vertical density distribution incisions and also magnetic data processing, filtering, and 2D forward modeling combined by gravity and magnetic data. The relation between processing and modeling of gravity anomaly data and magnetic anomaly data is expected to better describe the subsurface of the research area and can provide additional information in the subsurface interpretation of the research area. The results of processing and modeling of gravity and magnetic data indicate that the object under study is in the form of intrusion (intrusive rocks) igneous.