Abstract

Samples of dust deposits were periodically collected from July 1, 1997 to January 30, 1999, at Souss–Massa basin, in the South of Morocco. Granulometrical, geochemical and mineralogical characterisations show that quartz, calcite and feldspars dominate the mineral contents of the dust deposit with a minor clay fraction. It indicates the mineralogical composition of dust collected in peri-Saharan regions. The material collected in the summer period is dominated by local dust against a mixture of local and proximal dusts in the winter period.

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