Palmer Land and Graham Land volcanic groups (Antarctic Peninsula): Petrology (Chapter 2.2b)

• Main Authors: Riley, Teal R., Leat, Philip T.
• Other Authors: Smellie, J.L., Panter, K.S., Geyer, A.
• Format: Book Part
• Language: unknown
• Published: The Geological Society 2021
• Subjects: Antarctic; The Antarctic; Antarctic Peninsula; Pacific; Graham Land; Palmer Land; Antarc*
• Online Access: http://nora.nerc.ac.uk/id/eprint/520645/; https://mem.lyellcollection.org/content/55/1/139

Large-volume rhyolitic volcanism along the proto-Pacific margin of Gondwana consists of three major episodes of magmatism or ‘flare-ups’. The initial episode (V1) overlaps with the Karoo–Ferrar large igneous provinces at c. 183 Ma. A second (V2) episode was erupted in the interval 171–167 Ma, and a...