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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Deformational Structures in Brazilian Coastal Dunes
Edwin D. Mckee, Joao Jose Bigarella
ABSTRACT
Coastal dunes of Brazil differ considerably from desert dunes in their internal structure, primarily because of differences in the degree of cohesion within the sand. The coastal dunes have formed under conditions of high humidity and heavy rainfall, and the avalanching of sand on the lee sides of these dunes has produced many distinctive deformational structures characteristic of wet, cohesive sand. The roots of plants growing on the dunes have further contorted and ruptured cross-lamination in the dunes, forming additional distinctive structures.
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