On the frequent occurrence of Ankerite in coal
- 1 May 1912
- journal article
- Published by Mineralogical Society in Mineralogical Magazine and Journal of the Mineralogical Society
- Vol. 16 (75) , 219-223
- https://doi.org/10.1180/minmag.1912.016.75.06
Abstract
There occurs frequently in coal a white carbonate which, when it is referred to at all by scientific writers on coal, is usually described as calcium carbonate. It occurs as a rule in the form of thin layers infilling the joint-cracks which lie normal to the bedding-planes, though at times it may be seen infilling other divisional planes which may cut across the bedding obliquely.Keywords
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