Devonian laterite in Chitral state, West Pakistan

Economic Geology
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Abstract

A Devonian laterite has recently been discovered near Reshun in the Mastuj valley of Chitral State, West Pakistan. It is believed to be the fourth recorded Paleozoic laterite in the world. The laterite is entirely within a thick carbonate of the Shogram Formation of Upper Devonian (Frasnian) age. A chemical analysis of the laterite shows the principal constitutents to be: Al2O35.5%, SiO2, 21.7% Fe2O3 16.0%, FeO 10.3%, TiO2, 3.5% CaO 0.97%, and MgO 0.70%. Minerals determined by X-ray analysis include hematite, boehmite, diaspore, anatase, rutile, kaolinite, pyrophyllite and what is probably chamosite.

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Publication type Article
Publication Subtype Journal Article
Title Devonian laterite in Chitral state, West Pakistan
Series title Economic Geology
DOI 10.2113/gsecongeo.64.4.452
Volume 64
Issue 4
Year Published 1969
Publisher GeoScience World
Description 3 p.
First page 452
Last page 454
Country Pakistan
State Chitral
Other Geospatial Reshun in Mastuj valley
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