A newly recognized sequence of possible Early Cambrian age in southern New Brunswick: evidence for major southward-directed thrusting

Autor:	M. J. McLeod, S. R. McCutcheon
Rok vydání:	1981
Předmět:	Paleontology Precambrian Sequence (geology) Group (stratigraphy) Volcanic belt General Earth and Planetary Sciences Geology
Zdroj:	Canadian Journal of Earth Sciences. 18:1012-1017
ISSN:	1480-3313 0008-4077
DOI:	10.1139/e81-097
Popis:	Several previously unidentified occurrences of possible Lower Cambrian strata have been discovered recently in the Eastern Volcanic Belt (Avalon zone) of southern New Brunswick. The basal part of the sequence is lithologically similar to the Lower Cambrian parastratotype on Hanford Brook near Saint John, New Brunswick. Some of the newly recognized Cambrian rocks crop out beneath major northeast-trending and north-dipping thrusts, and rest unconformably on subaqueous Upper Precambrian equivalents of the Coldbrook Group. The presence of these Cambrian rocks in the Eastern Volcanic Belt indicates that the Cambrian–Ordovician Iapetus Ocean transgressed across the entire Avalon zone of southern New Brunswick.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::a1edb05ab4635ddf0e144a00419b61cf https://doi.org/10.1139/e81-097 Zobrazit plný text záznamu