Table of Contents
Geosciences, Volume 7, Issue 4 (December 2017)
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Cover Story (view full-size image) Two different pathways have long been used to explain the origin of petrified wood: replacement, [...] Read more. Two different pathways have long been used to explain the origin of petrified wood: replacement, where organic matter is destroyed, leaving mineral replicas of the cellular structure, and permineralization, which assumes that the original tissue is entombed by minerals. New observations suggest that most silicified wood originates from a combination of these processes; true permineralization is relatively rare. View this paper