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Dr Alan Channing

Hot spring environments and ecosystems through time
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Channing, A. 2001 PhD Thesis - Processes and Environments of Vascular Plant Silicification
Click on the links below to download high-res .pdf chapters of my thesis. Max file size is about 5mb.
Complete thesis (low-res 20mb).
Chapter 1 - Introduction - Yellowstone National Park - Hot Springs - Silicification reviewed
Chapter 2 - Methods - Analytical and imaging techniques
Chapter 3 - Experimental silicification of plants in hot springs, Yellowstone results after 30 days
Chapter 4 - Experimental silicification of plants in hot springs, Yellowstone results after 11 months
Chapter 5 - Sub-fossil plants from Yellowstone hot spring environments
Chapter 6 - Environments of preservation of the Lower Devonian Rhynie Chert hot spring deposit
Chapter 7 - Active geothermally influenced wetlands and plant fossilisation Yellowstone NP
Chapter 8 - Holocene fossil geothermally influenced wetlands Yellowstone NP
Chapter 9 - Sedimentology of an active geothermal wetland Norris Geyser Basin Yellowstone NP
Chapter 10 - Evidence for ancient geothermal wetlands in the fossil record
Chapter 11 - Are active geothermal wetlands comparable to Rhynie?
Chapter 12 - Conclusions
Appendix - Localities and museum numbers for figured specimens
Partially silicified vascular strand of the wetland plant Eleocharis rostellata (viewed in transverse section) following 11 months in the vent pool of Medusa Geyser, Yellowstone N.P.