United States Geological Survey Professional Paper

United States Geological Survey Professional Paper

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For example, in the 1966 paper, he concluded that dune fields in southern Peru mark the paths of the corrosive acid clouds and that the famous sillar, or ash- flow tuff, near Arequipa was the final product of the most intensive leaching byanbsp;...


Title:United States Geological Survey Professional Paper
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Publisher: - 1980
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