2022
DOI: 10.3390/min12020131
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Mineralogy of Miocene Petrified Wood from Central Washington State, USA

Abstract: Silicified wood occurs abundantly in Middle Miocene flows and sedimentary interbeds of the Columbia River Basalt Group (CRBG) in central Washington State, USA. These fossil localities are well-dated based on radiometric ages determined for the host lava. Paleoenvironments include wood transported by lahars (Ginkgo Petrified Forest State Park), fluvial and palludal environments (Saddle Mountain and Yakima Canyon fossil localities), and standing forests engulfed by advancing lava (Yakima Ridge fossil forest). At… Show more

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Cited by 7 publications
(5 citation statements)
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“…However, as suggested by Suguio &Coimbra (1972), andPires et al (2011), and according to the descriptions and photographs (i.e., Mussa 1974) including the material described herein, all the specimens from the Solari/Botucatú Formation seem to be poorly preserved. This is probably due to one or more common factors during the start of the taphonomic process such as the oxidative process, high temperatures, dissolved-element concentrations, pH, or the places where the woods were buried (ephemeral streams, conglomerate channels, or coarse-grained sand sheets deposits) (Fengel, 1991;Mustoe, 2008Mustoe, , 2015Mustoe & Dillhoff, 2022).…”
Section: Discussionmentioning
confidence: 99%
“…However, as suggested by Suguio &Coimbra (1972), andPires et al (2011), and according to the descriptions and photographs (i.e., Mussa 1974) including the material described herein, all the specimens from the Solari/Botucatú Formation seem to be poorly preserved. This is probably due to one or more common factors during the start of the taphonomic process such as the oxidative process, high temperatures, dissolved-element concentrations, pH, or the places where the woods were buried (ephemeral streams, conglomerate channels, or coarse-grained sand sheets deposits) (Fengel, 1991;Mustoe, 2008Mustoe, , 2015Mustoe & Dillhoff, 2022).…”
Section: Discussionmentioning
confidence: 99%
“…If the commonly assumed diagenetic silica maturation involving dissolution-precipitation processes in the cell walls proceeded in the studied specimen, it took place without a significant volumetric change that could otherwise severely damage plant tissue due to crystallization pressure (Liesegang and Gee, 2020). The direct precipitation of ordered silica phases, such as chalcedony, from diluted solutions has been invoked to explain a high degree of wood structural preservation and silica maturity (Liesegang et al, 2021;Mustoe and Dillhoff, 2022). To retain dimensional stability and organic matter distribution, episodes of diagenetic silica dissolution-precipitation in cell walls must proceed at the nano-to microscale, potentially via the formation of nanoscale dissolution channels in the cell wall.…”
Section: Silicification Cyclesmentioning
confidence: 99%
“…When silica-rich fluid enters wood, silica monomers are expected to bond to the reactive surface groups of holocellulose on internal and external cell wall surfaces (Leo and Barghoorn, 1976;Liesegang and Gee, 2020). Cell lumina are usually unfilled at this early stage of fossilization (Mustoe and Dillhoff, 2022). Due to their hydrophobic character, the lignin-rich cell wall constituents (e.g., middle lamellae) initially remain largely unaffected (Liesegang and Gee, 2020).…”
Section: Silicification Cyclesmentioning
confidence: 99%
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“…Силіфікація деревної тканини відбувалася синседиментаційно в мілководних затоках -з лужними водами, що сприяли розчиненню кремнеземуізольованих басейнах Паратетису, в кліматі, схожому на сучасний Середземноморський [5]. Процес мінералізації складний і відбувався стадійно, спочатку заміщенням деревини опалом, тоді халцедоном, і на кінець кварцом, який виповнює тріщини у деревині [7,8].…”
Section: викопна деревина міоцену розточчя з «колекції фосилій рослин...unclassified