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Title: Comment on "Glacial cycles drive variations in the production of oceanic crust". Author: Goff JA. Journal: Science; 2015 Sep 04; 349(6252):1065. PubMed ID: 26339022. Abstract: Crowley et al. (Reports, 13 March 2015, p. 1237) propose that abyssal hill topography can be generated by variations in volcanism at mid-ocean ridges modulated by Milankovitch cycle-driven changes in sea level. Published values for abyssal hill characteristic widths versus spreading rate do not generally support this hypothesis. I argue that abyssal hills are primarily fault-generated rather than volcanically generated features.[Abstract] [Full Text] [Related] [New Search]