The Ordovician System: Proceedings of a Palaeontological Association Symposium, Birmingham, September 1974Michael G. Bassett University of Wales Press and the National Museum of Wales for the Palaeontological Association, 1976 - Science - 696 pages |
Contents
Introduction By C H HOLLAND | 9 |
The dating of the Ordovician By F J FITCH S C FORSTER and J A MILLER | 15 |
Plate tectonics and biofacies evolution as factors in Ordovician correlation | 29 |
Copyright | |
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Common terms and phrases
Appalachians Arenig argillites Armorican Ashgill assemblages Australia Baltic basal base Basin beds belt Bergström Berry bifidus biostratigraphical boundary brachiopods Bull Cambrian Canadian Caradoc carbonate central cephalopods Chazy Cincinnatian Climacograptus conodonts correlation Creek Dalmanitina deposits Didymograptus distribution dolomite early Ordovician eastern facies faunal change faunas faunes Formation fossils genera géol geological Glyptograptus gracilis graptolite zones graptolites Grès Group Ibid l'Ordovicien late Ordovician limestone Llandeilo Llandovery Llanvirn Lower Ordovician marine Megafossils membranes Midcontinent Middle Ordovician Mountains Newfoundland North America northern occur Ordovician graptolite Ordovician rocks Ordovician System Ordoviziums ostracodes Palaeontological Palaeozoic Paleont Platform Province Quartzite region rhabdosome Ross Ruedemann sandstone Schistes sections sediments sequence Series shales shelf shelly faunas siltstones Silurian siphuncle South southern species specimens spines spiniferus Spitsbergen Stage strata stratigraphical succession Surv tectonic text-fig thecae thick Tremadoc trilobites Trough U.S. geol Univ Upper Ordovician volcanic Wales western Whiterock Whittington