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IV. An Analysis of the Waters of some Hot Springs in Iceland

Published online by Cambridge University Press:  17 January 2013

Joseph Black
Affiliation:
Professor of Medicine and Chemistry in the University of Edinburgh, First Physician to his Majesty for Scotland, Fellow of the Royal College of Physicians, and of the Royal Society of Edinburgh; Member of the Academy of Sciences and of the Society of Medicine of Paris, of the Imperial Academy of St Petersburgh, &c. &c.

Extract

Sir Joseph Banks, to whose indefatigable ardour for the advancement of natural history, the philosophical world is so much indebted, made a voyage to Iceland in the year 1772, to enquire into the productions of that remote part of the world, and particularly into those of its famous volcano. When he returned, he brought from thence, among many other natural productions, some petrified vegetables, and incrustations, formed by the waters of the boiling springs; and he was so good as to present a part of them to his friends here, who were surprised to find them composed of siliceous earth. As this was the first example observed, of water containing this earth in such quantity as to form siliceous petrifactions, it raised a strong desire to have an opportunity of examining the water, and of learning by what means this siliceous matter was dissolved in it; and this opportunity was at last given us by John Thomas Stanley, Esq; who, excited by motives similar to those of Sir Joseph Banks, equipped likewise a vessel, and made a voyage to Iceland, during the summer 1789.

Type
Papers Read Before the Society
Copyright
Copyright © Royal Society of Edinburgh 1794

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References

page 117 note * See the appendix to this paper.

page 117 note † The method by which these small quantities of sediments and precipitates were collected and weighed, is explained in the appendix to this paper.