ABSTRACT
Fig. 4 Fossil charcoal assemblages: a) wood charcoal in fluvial Jurassic sandstone, Yorkshire, UK; b) macerated limestone with charcoal fragments and uncharred megaspores from the Mississippian of Scotland; c) small charcoal fragments from a Palaeocene silty-mudstone, Colorado, USA; d) detail of c showing charcoalified wood fragment; e) maceration of Upper Cretaceous clastic sediment yielding charcoal from Japan; f) maceration from Upper Cretaceous muddy siltstone yielding charcoalified flowers, Sweden.
