Geological Map (22 H, 12E, F) and Notes on the Ordovician and Silurian Litho- and Biostratigraphy, Anticosti Island, Quebec
Geological Map (22 H, 12E, F) and Notes on the Ordovician and Silurian Litho- and Biostratigraphy, Anticosti Island, Quebec

Author: Thomas E. Bolton

Publisher:

Published: 1972

Total Pages: 58

ISBN-13:

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The six formations detailed on the preliminary geological map of Anticosti Island, Quebec, represent an uninterrupted sequence of nearly flat-lying rocks of Upper Ordovician to Middle Silurian ages. The Upper Ordovician strata, divisible into two formations, Vaureal and Ellis Bay, are persistent, alternating calcareous and argillaceous units, each bearing distinct marine faunal assemblages. These rocks occupy the northwestern one-third of the island. The succeeding Lower and Middle Silurian strata of the Becscie, Gun River and Jupiter Formations are more variable lithological units, the uppermost Chicotte Formation, occurring only along the southern coast of the island, being everywhere a massive, cronoidal limestone. These Silurian formations, of Llandoverian and early Wenlockian ages (Alexandrian and early Niagaran), are highly fossiliferous and divisible into several tentative faunal units. Characteristic fossils from each of the six formations are illustrated in a preliminary fashion and grouped by formation.

Ordovician and Silurian Formations of Anticosti Island, Quebec
Ordovician and Silurian Formations of Anticosti Island, Quebec

Author: Thomas E. Bolton

Publisher: Ottawa, Geological Survey of Canada

Published: 1961

Total Pages: 28

ISBN-13:

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This report summarizes field work initiated in 1957 along Salmon River in the eastern part of Anticosti Island and continued in the western half in 1958. It incorporates information from surveys undertaken in 1941 and 1942. The rock units recognized on the island and the lateral variations present are described here; detailed paleontological studies are in progress.

Catalogues of the Silurian Fossils of the Island of Anticosti [microform]
Catalogues of the Silurian Fossils of the Island of Anticosti [microform]

Author: E (Elkanah) 1820-1876 Billings

Publisher: Legare Street Press

Published: 2021-09-09

Total Pages: 104

ISBN-13: 9781014334930

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