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Multiple stages of plant root calcification deciphered by chemical and micromorphological analyses

Abstract : Rhizoliths have been ascribed different names, for example, root casts; rhizocretions; tubular fossils (Klappa, 1980) and may exhibit different morphologies and sizes (up to several cm in diameter and several meters length; Zamanian et al., 2016). These organo-sedimentary structures are common in sandy and silty calcareous soils and sediments (Becze-Deák et al., 1997) and can be highly abundant in loess (Gocke et al., 2011) and desert sands (Sun et al., 2020). In addition to terrestrial settings, rhizoliths were also observed in former lacustrine environments (e.g., Sun et al., 2019a) and marine settings (Jones and Ng, 1988). Rhizoliths have been used as proxies for paleoenvironmental reconstructions over different geological time scales based mainly on macro-and micromorphological studies (Becze-Deák et al., 1997; Barta, 2011) or stable carbon and oxygen isotope analyses (e.g.,
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https://hal.archives-ouvertes.fr/hal-03021321
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Submitted on : Tuesday, November 24, 2020 - 4:06:50 PM
Last modification on : Tuesday, January 5, 2021 - 11:36:09 AM

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Arnaud Huguet, Sylvain Bernard, Rime Khatib, Martina Gocke, Guido Wiesenberg, et al.. Multiple stages of plant root calcification deciphered by chemical and micromorphological analyses. Geobiology, Wiley, 2020, ⟨10.1111/gbi.12416⟩. ⟨hal-03021321⟩

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