Un diatrème phréatomagmatique montérégien dans les Appalaches du Québec

• Published in: Canadian Journal of Earth Sciences
• Main Authors: Morin, David, Jébrak, Michel, Marquis, Robert
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1996
• Subjects: General Earth and Planetary Sciences; Verte; Baie Verte; Eastman
• Online Access: http://dx.doi.org/10.1139/e96-048; http://www.nrcresearchpress.com/doi/pdf/10.1139/e96-048

A subcircular positive magnetic anomaly and breccias affecting a basanite and its country-rock metasedimentary rocks reveal the presence of a diatreme with a diameter of approximately 420 m, at Eastman, in the Quebec Appalachians. The post-Middle Devonian age, the position in the line of the Montere...