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On certain Concretions from the Lower Coal Measures, and the Fossil Plants which they Contain

Published online by Cambridge University Press:  15 September 2014

H. B. Stocks
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Extract

Coal, we are all aware, is a remnant of the organic matter of plants which flourished long ago. Owing to the length of time that has elapsed since the remains were entombed, and the pressure the material has been subjected to by overlying strata of great thickness, coal now presents to the unaided eye little or no evidence of organic structure, but is a lustrous black product not at all like wood in appearance.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 20 , 1895 , pp. 69 - 75
Copyright
Copyright © Royal Society of Edinburgh 1895

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References

1 For formation of iron pyrites in deep-sea deposits, see Deep-Sea Deposits, Challenger Report, by Murray and Renard, pp. 254–258.