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Prestwich writes: 'Metamorphic rocks hare been divided into two classes—1. Those in which local changes have been caused by contact with heated eruptive rocks; 2. Those extending over wider areas, in which the rocks are in no apparent relation to eruptive or igneous rocks. The first has been termed contact metamorphism, and the second normal or regional metamorphism, the latter two terms having been used to express the same phenomena and treated as synonymous. The object of this paper is briefly to show that there may be another cause for metamorphic action, for which, not to introduce a new term, I would propose to transfer and restrict the term of “Metamorphism."'

Annotations in pencil and ink.

Subject: Geology

Received 4 June 1885. Read 18 June 1885.

A version of this paper was published in volume 38 of the Proceedings of the Royal Society as 'Regional metamorphism'.

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Ink and graphite pencil on paper
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11 pages

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Joseph Prestwich

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Joseph Prestwich, Paper, 'Regional metamorphism' by Joseph Prestwich, 1885, PP/6/38, The Royal Society Archives, London,, accessed on 27 May 2024

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  • Proceedings Papers

    Dates: 1882 - 1894

    The archival collection known as 'Proceedings Papers' is comprised of manuscripts and occasional proofs of scientific papers sent to the Royal Society which were read before meetings of Fellows and printed in full in the Proceedings of the Royal Society.

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