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Published online by Cambridge University Press: 15 September 2014
This material was brought from Brazil to Liverpool, for the purpose of ascertaining its commercial value in this country. The importers submitted it to Dr Edwards, who reported that it yields a much larger percentage of oil than even the celebrated coal of Torbane Hill.
The crude oil of the first distillation has a sp. gr. of ·859.
On redistillation, a light and heavy oil are obtained from the crude oil.
page no 364 note * They have been carefully examined by Dr Young, who has given an account of them in the Quarterly Journal of the Geological Society for 1864.
page no 364 note † It is not usual to publish the results of the Geological Survey until they appear in the authorised and official form. In the present instance I am indebted to the courtesy of the director-general, Sir Roderick I. Murchison who at once most cordially gave his sanction to the publication of the above abstract in the Proceedings of the Society.