Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/99549
Title: Understanding Fossil Phytolith Preservation: The Role of Partial Dissolution in Paleoecology and Archaeology
Author: Cabanes Cruelles, Dan
Shahack-Gross, Ruth
Keywords: Fitòlits
Paleoecologia
Arqueologia
Phytoliths
Paleoecology
Archaeology
Issue Date: 20-May-2015
Publisher: Public Library of Science (PLoS)
Abstract: Opaline phytoliths are important microfossils used for paleoecological and archaeological reconstructions that are primarily based on relative ratios of specific morphotypes. Recent studies have shown that phytolith assemblages are prone to post-depositional alteration involving partial dissolution, however, the manner in which partial dissolution affects morphotype composition is poorly understood. Here we show that morphotype assemblages from four different plant species subjected to controlled partial dissolution are significantly different from the original assemblages, indicating that the stability of various morphotypes differs, mainly depending on their surface area to bulk ratios. This underlying mechanism produces distorted morphotype compositions in partially dissolved phytolith assemblages, bearing vast implications for morphotype-based paleoecological and archaeological interpretation. Together with analyses of phytolith assemblages from a variety of archaeological sites, our results establish criteria by which well-preserved phytolith assemblages can be selected for accurate paleoecological and archaeological reconstructions.
Note: Reproducció del document publicat a: http://dx.doi.org/10.1371/journal.pone.0125532
It is part of: PLoS One, 2015, p. 1-16
Related resource: http://dx.doi.org/10.1371/journal.pone.0125532
URI: http://hdl.handle.net/2445/99549
ISSN: 1932-6203
Appears in Collections:Articles publicats en revistes (Història i Arqueologia)

Files in This Item:
File Description SizeFormat 
652591.pdf753.14 kBAdobe PDFView/Open


This item is licensed under a Creative Commons License Creative Commons