Preliminary correlations of MAGSAT anomalies with tectonic features of Africa
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Abstract
An overview of the MAGSAT scalar anomaly map for Africa has suggested a correlation of MAGSAT anomalies with major crustal blocks of uplift or depression and different degrees of regional metamorphism. The strongest MAGSAT anomalies in Africa are closely correlated spatially with major tectonic features. Although a magnetic anomaly caused by a rectangular crustal block would be offset from the block's center by the effects of magnetic inclination, an anomaly caused by real crustal blocks of varying uplift, depression, and degree of regional metamorphism would be located nearer to the locus of greatest vertical movement and highest grade of metamorphism. Thus, the Bangui anomaly may be caused by a central old Precambrian shield, flanked to the north and south by two relatively young sedimentary basins.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Preliminary correlations of MAGSAT anomalies with tectonic features of Africa |
| Series title | Geophysical Research Letters |
| DOI | 10.1029/GL009i004p00303 |
| Volume | 9 |
| Issue | 4 |
| Year Published | 1982 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 4 p. |
| First page | 303 |
| Last page | 306 |
| Other Geospatial | Africa |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |