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Cambrian–Ordovician boundary age and duration of the lowest Ordovician Tremadoc Series based on U–Pb zircon dates from Avalonian Wales
LANDING, E., BOWRING, S. A., DAVIDEK, K. L., RUSHTON, A. W. A., FORTEY, R. A., WIMBLEDON, W. A. P.Volume:
137
Language:
english
Journal:
Geological Magazine
DOI:
10.1017/s0016756800004507
Date:
September, 2000
File:
PDF, 1.22 MB
english, 2000