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A marginal Late Proterozoic ocean basin in the Welsh region

Published online by Cambridge University Press:  01 May 2009

J. W. Baker
Affiliation:
Geology Dept, University College, Cardiff

Summary

Re-assessment of the idea that the Monian and Longmyndian accumulated along the margin of a palaeo-ocean suggests that Monian sedimentation occurred near the eastern shoreline of a micro-continent. If Monian igneous activity, metamorphism and deformation are attributed to an underlying subduction zone, this must have dipped northwestwards away from a small ocean basin to the southeast. Consumption of this ocean floor brought about collision with the continental shield and simple deformation of the Longmyndian.

Type
Articles
Copyright
Copyright © Cambridge University Press 1973

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