Precambrian palaeosols at the base of the Roraima formation in Surinam

Abstract

A red transition zone with granitic fragments between the Roraima sandstones and the underlying granite at Kappelsavanna, Tafelberg and Emma Range is argued to represent a pre-Roraima palaeosol. The mineralogical and micromorphological characteristics of the palaeosol indicate an origin in an arid or semi-arid climate.