Linked from
The 32 pages that link to Coal, each with the reason it gives.
Sedimentary rockRelated: Its formation links sediment burial to concentrated fossil energy.
PaleozoicRelated: Carboniferous forests supplied much of the plant matter that formed coal deposits.
GlossopterisRelated: Glossopteris-rich vegetation contributed to major Gondwanan coal deposits.
LepidodendronRelated: The genus’s swamp habitats contributed biomass that became coal.
Bulk carrierRelated: Coal is a major dry commodity carried in bulk by sea.
Plant fossilRelated: Coal deposits preserve and record vast accumulations of ancient vegetation.