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The Age of the Ore Deposits of the Lake District and of the Alston Block1

Published online by Cambridge University Press:  01 May 2009

F. M. Trotter
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Extract

There is a lead-zinc (with subsidiary copper) metallogenic province on each side of the Vale of Eden. To the east the veins of the Alston Block are found in Carboniferous rocks and a Hercynian age is the generally accepted date of the mineralization. To the west the veins lie in the Lower Palaeozoic rocks of the Lake District. Within the latter area ore-veins associated with the Shap Granite are, by common consent, regarded as of Caledonian age. But these apart, there is a regional mineralization in the Lake District, best developed in the northern part of that topographical unit, which has also been regarded as of Hercynian age.

Type
Articles
Information
Geological Magazine , Volume 81 , Issue 5 , October 1944 , pp. 223 - 229
Copyright
Copyright © Cambridge University Press 1944

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Footnotes

1

Published by permission of the Director of the Geological Survey.

References

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