Early Silurian (Wenlockian) δ 13 C profiles from the Cape Phillips Formation, Arctic Canada and their relation to biotic events

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Noble, Paula J, Zimmerman, Matthew K, Holmden, Chris, Lenz, Alfred C
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2005
• Subjects: General Earth and Planetary Sciences; Arctic; Canada; Bathurst Island; Cornwallis; Abbott; Cape Phillips; Abbott River; Twilight Creek; Cornwallis Island
• Online Access: http://dx.doi.org/10.1139/e05-055; http://www.nrcresearchpress.com/doi/pdf/10.1139/e05-055

Geochemical data from the Cape Phillips Formation, Arctic Canada, are examined in association with three Silurian biotic crises in the graptolite community; the early Wenlockian Ireviken, mid Wenlockian Cyrtograptus lundgreni, and end Wenlockian Colonograptus ludensis extinction events. Positive δ 1...