The Age of the Ore Deposits of the Lake District and of the Alston Block
- 1 October 1944
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 81 (5) , 223-229
- https://doi.org/10.1017/s0016756800075671
Abstract
Thereis 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.Keywords
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