✍ Scribed by Jane Butler; Harry Marsh; Fariborz Goodarzi
No coin nor oath required. For personal study only.
The occurrence of coal is related directly to the climate of a given geological age which, in turn, is determined by the extent of the seas, regional geography, the configuration of the land masses and therefore, by the ongoing process of continental drift. Of major importance also is the relative vertical movement of the coal-forming basins, resulting from tectonic movement, which affects the rate of burial and the coali~cation process. In this review the changes in climate and continental positions, relative to coal formation. are described from the early Carboniferous to the Tertiary. The genetic relationships between different coalfields, in terms of the flora of the period are commented upon and it is suggested that by studying the palaeogeography of the world it is possible to correlate apparently unrelated coalfields.
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