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Transgressive welded ash-flow tuffs among the Ordovician sediments of NE Snowdonia, N. Wales
FRANCIS, E. H., HOWELLS, M. F.Volume:
129
Language:
english
Journal:
Journal of the Geological Society
DOI:
10.1144/gsjgs.129.6.0621
Date:
December, 1973
File:
PDF, 9.98 MB
english, 1973