نتایج جستجو برای: the bouguer anomaly
تعداد نتایج: 16058479 فیلتر نتایج به سال:
Gravity survey is one of the passive geophysical techniques commonly used to delineate geological formations, especially in determining basement rock and overlying deposit. Geologically, study area made up thick quaternary alluvium deposited on top older rock. The Muda River basin constitutes, approximately, more than 300 m unknown type. Previous studies, including drilling geo-electrical resis...
The analytical signal method and its derivatives can be explicitly calculated assessed for analyzing estimating the boundary of geological structures, such as faults or dikes, from potential field anomalies. Gravity east Qeshm Island north coast Sarkhun to Latidan in SE Iran has been measured one-kilometer regular network. regional anomaly effects are deducted Bouguer anomaly, where it get resi...
In order to explore the rules between gravity anomalies and oil-gas distribution characteristics in central western Sichuan Basin, we divided tectonic unit basin on base of analysis anomaly characteristics, studied correlation oil–gas local study area. The results show that variation range Bouguer field interior is relatively small, southern part shows a clear high zone, with gradual gradient z...
We conduct a gravity study of the lithosphere beneath three large sedimentary basins in southeastern South America: Paraná, Chaco-Paraná, and Pantanal. compile massive database estimate free-air Bouguer anomalies, resulting novel complete anomaly map for area. To discern influence crustal loads with known lithologies, including sediments, basalts, topography variations Moho discontinuity, we ca...
Attempts at regional gravity studies of the southwest Nigerian geologic terrain have been limited due to sparse distribution stations and prohibitive costs measurements. The use satellite-based global data provides a reliable cost-effective means regional-scale studies, WGM2012 was employed evaluate basement topography structures. aim work is map regions in sector Dahomey Basin with suitable se...
GOCE gravity satellite data can be used for regional fault detection because the observation area is wide and not limited by area. In this study, to detect geological structures on island of Sumatra, results which are as basis disaster mitigation. SGG-UGM-2 were processed using User Toolbox (GUT) software produce a disturbance map complete bouguer anomaly map. The obtained validated high-resolu...
Among the 19 segments of Great Sumatran Fault (GSF), Sianok segment is unique due to its proximity active volcanoes as well sizable Maninjau Caldera. Located next Sumani southeast, also passes through a relatively densely populated area. To identify potential disasters in future, it imperative understand subsurface structures segment. In this study, ground magnetic measurements were conducted, ...
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