torbanite

mineral substance intermediate between oil shale and coal. Whereas destructive distillation of coals produces compounds of carbon and hydrogen with ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/t/63

Torbanite

Torbanite (also known as boghead coal) is a dark brown variety of cannel coal found at Torbanehill in Scotland. Torbanite contains a large proportion of algae of the Palaeozoic age. Similar coal has been found in New South Wales. Torbanite contains over 60 per cent of volatile matter and is valuable for the extraction of burning and lubricating oil...
Found on http://www.probertencyclopaedia.com/browse/HT.HTM

Torbanite

Torbanite, also known as boghead coal, is a variety of fine-grained black oil shale. It usually occurs as lenticular masses, often associated with deposits of Permian coals. Torbanite is classified as lacustrine type oil shale. Torbanite is named after Torbane Hill near Bathgate in Scotland, its main location of occurrence. Other major deposits of...
Found on http://en.wikipedia.org/wiki/Torbanite
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