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Chlorophaeite in the dolerites (tholeiites) of Dalmahoy and Kaimes Hills, Edinburgh

Published online by Cambridge University Press:  14 March 2018

Robert Campbell  and
James W. Lunn
Robert Campbell
Affiliation:
Department of Geology, University of Edinburgh
James W. Lunn
Affiliation:
Department of Geology, University of Edinburgh
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Extract

The name chlorophaeite was given by John Macceulloch in 1819 to a mineral exhibiting striking colour change on exposure which he found at Craig nan Stàrdean (=Sgùrr Mòr) in the island of Rum. Sixty years later Professor Heddle visited the type locality and redescribed the mineral, giving for the first time chemical analyses. He also noted an occurrence of the mineral in Canna. In 1908 A. Harker showed that the rock which contained the chlorophaeite belongs to the mugearites.

Records of chlorophaeite arc not always trustworthy since the term has been used somewhat loosely. Professor Heddle (loc. cit., p. 88) confirmed the occurrence at the Giant's Causeway, Co. Antrim, first recorded by Greg and Lettsom in their Manual of Mineralogy.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 20 , Issue 110 , September 1925 , pp. 435 - 440
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1925

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References

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