Formation of a spatter-rich pyroclastic density current deposit in a Neogene sequence of trachytic-mafic igneous rocks at Mason Spur, Erebus volcanic province, Antarctica

• Main Authors: A. P Martin, John. L Smellie, A. F Cooper, D. B Townsend
• Format: Other Non-Article Part of Journal/Newspaper
• Language: unknown
• Published: 2017
• Subjects: Uncategorized; Science & Technology; Physical Sciences; Geosciences; Multidisciplinary; Geology; Explosive volcanism; Ignimbrite; Lapilli tuff; McMurdo Volcanic Group; Pyroclastic density current; Trachytic spatter; MORNING ERUPTIVE CENTER; SOUTHERN VICTORIA LAND; LITHOSPHERIC MANTLE; CALDERA COLLAPSE; FRAGMENTATION; EMPLACEMENT; DYNAMICS; FLOW; PETROGENESIS; Mason Spur; Ross Sea; Victoria Land; Antarc*; Antarctica
• Online Access: https://figshare.com/articles/journal_contribution/Formation_of_a_spatter-rich_pyroclastic_density_current_deposit_in_a_Neogene_sequence_of_trachytic-mafic_igneous_rocks_at_Mason_Spur_Erebus_volcanic_province_Antarctica/10214825

Erosion has revealed a remarkable section through the heart of a volcanic island, Mason Spur, in the southwestern Ross Sea, Antarctica, including an unusually well-exposed section of caldera fill. The near-continuous exposure, 10 km laterally and > 1 km vertically, cuts through Cenozoic alkalic v...