Articles | Volume 15, issue 21
Research article
30 Oct 2018
Research article |  | 30 Oct 2018

Macrofaunal burrowing enhances deep-sea carbonate lithification on the Southwest Indian Ridge

Hengchao Xu, Xiaotong Peng, Shun Chen, Jiwei Li, Shamik Dasgupta, Kaiwen Ta, and Mengran Du

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Cited articles

Aller, J. Y. and Aller, R. C.: Evidence for localized enhancement of biological associated with tube and burrow structures in deep-sea sediments at the HEEBLE site, western North Atlantic, Deep-Sea Res. Pt. I, 33, 755–790,, 1986. 
Aller, R. C.: Carbonate dissolution in nearshore terrigenous muds: the role of physical and biological reworking, J. Geol., 90, 79–95, 1982. 
Aller, R. C. and Rude, P. D.: Complete oxidation of solid phase sulfides by manganese and bacteria in anoxic marine sediments, Geochim. Cosmochim. Acta, 52, 751–765,, 1988. 
Anderson, T., Donnelly, T., Drever, J., Eslinger, E., Gieskes, J., Kastner, M., Lawrence, J., and Perry, E.: Geochemistry and diagenesis of deep-sea sediments from Leg 35 of the Deep Sea Drilling Project, Nature, 261, 473–476,, 1976. 
Arumugm, Y., Gupta, A. K., and Panigrahi, M. K.: Species diversity variations in Neogene deep-sea benthic foraminifera at ODP Hole 730A, western Arabian Sea, J. Earth Syst. Sci., 123, 1671–1680,, 2014. 
Short summary
Processes involved in the formation of deep-sea carbonate rocks remain controversial. It is reported in present study that macrofaunal burrowing may trigger the dissolution of the original calcite above the saturation horizon and thus drive deep-sea carbonate lithification on mid-ocean ridges. The novel mechanism proposed here for nonburial carbonate lithification at the deep-sea seafloor sheds light on the potential interactions between deep-sea biota and sedimentary rocks.
Final-revised paper