 | | Journal (article/letter/editorial) | | Western Washington University, Bellingham, WA 98225, USA; mustoeg@wwu.edu; Tel.: +1-360-650-3582 Received:...wood from the Yellowstone National Park, Wyoming, USA; no relict tissue was visible in silicified alder...or from unidentified fossil wood from New Mexico, USA; two taxonomically unidentified samples from unknown...the same specimen. A fifth specimen, from Kansas, USA, was mineralized with calcite; treatment with hydrochloric...transverse orientation. Devonian, Woodford Shale, OK, USA. This new thin section is similar to the specimen |  | | Journal (article/letter/editorial) | | Western Washington University, Bellingham, WA 98225, USA; mustoeg@wwu.edu Abstract: For many decades, wood...from Si–O bonds. Silicic acid groups are shown in red. This silica bonding can eventually produce a silica...Pliocene fossil wood from Red Hills Lignite Mine, Chocktaw, Missouri, USA. The multilayered architecture...some precious opals from Virgin Valley, Nevada, USA) owe their fragility to relatively high levels of...The water content of amorphous silica (shown in red) is predominately in the form of silanol groups shown |
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