Determination of volcanic thickness and underlying structures from aeromagnetic maps in the Silet area of Algeria
Domaine:
geospatialType de record:
paper
Créateur:
C. S.
Éditeur:
Soc
Hôte:
Abstract
In the course of the interpretation of an aeromagnetic survey of Algeria, techniques based on spectral analysis were found to be quite useful in the determination of volcanic thicknesses and the resolution of underlying structural trends in a mineralized region near Silet.One-dimensional analysis, applied to a series of traverses crossing the area, indicates the average thickness of volcanics to be about 100 m. Two-dimensional spectra were used to design appropriate filters for attenuating anomalies from shallow sources thereby enhancing the responses of the underlying regional structures.
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