Haloturbation in the northern Atacama Desert revealed by a hidden subsurface network of calcium sulphate wedges
Aline Zinelabedin,
Joel Mohren,
Maria Wierzbicka-Wieczorek
et al.
Abstract:Abstract. While the formation of periglacial wedges and polygonal patterned grounds has been extensively studied and many of the processes involved have been understood, knowledge on the formation of similar post-sedimentary features found in arid to hyperarid environments remains largely rudimentary. Our contribution to fill this gap is the investigation of a network of vertically laminated calcium sulphate-rich wedges in the subsurface of the Aroma fan in the northern Atacama Desert. The subsurface wedges ar… Show more
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