Figures

Figure 3.8   Different modes of plant preservation. (a) Permineralization, a silicifi ed plant stem from the Rhynie Chert (Early Devonian, Scotland) ( 50). (b) Coalifi ed compression, leaves of Annularia from the Late Carboniferous, Wales ( 0.7). (c) Authigenic preservation, a mold of Lepidostrobus from the Late Carboniferous, Wales ( 0.5). (d) Direct preservation of a microscopic fossilized diatom in the original silica (scale bar, 20 m). (a, courtesy of Dianne Edwards; b, c, courtesy of Chris Cleal; d, courtesy of David Ryves.)

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