Abstract

We wanted to make a satellite altitude magnetic anomaly map of the large magnetic anomaly in the Central African Republic, the Bangui magnetic anomaly, with data from the Swarm satellites. In the first part of our study, we summarize the earlier investigations and their interpretation. In the second we discuss our data processing applied to produce a magnetic anomaly map. We used the IGRF

Highlights

  • Satellite altitude magnetic measurements originate in the crust

  • It can be concluded that the inverse calculation of 14 parameters represents the anomaly field

  • The anomaly field obtained by inversion shows a proper range but the origin of the anomaly field has not been decided unambiguously

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Summary

Introduction

Satellite altitude magnetic measurements originate in the crust. The interpretation of these data has a longer history. They started with data from Cosmos, POGOs, Magsat, Oersted, CHAMP and SAC-C satellites. A summary of these satellites is given by Langel and Hincze [1]. The recent SWARM satellites provide more data. In earlier papers by Taylor, et al [2], Taylor and Schnetzler [3] they drew the attention to the. Application of satellite anomalies for resource exploration. They suggested the appropriate altitude, the required accuracy, and errors of these measurements. We have made several geologic/tectonic interpreted of satellite magnetic anomalies see [47]

Bangui magnetic anomaly
Data Processing
Determination of the Bangui total magnetic anomaly
The basic idea of the inversion is the selection
The inversion of the Bangui total magnetic field anomaly
Error calculations
Conclusions
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