The emplacement of an obsidian dyke through thin ice: Hrafntinnuhryggur, Krafla Iceland

Hugh Tuffen, Jonathan M Castro

Research output: Contribution to journalArticleResearchpeer-review

56 Citations (Scopus)

Abstract

An eruption along a 2.5 km-long rhyolitic dyke at Krafla volcano, northern Iceland during the last glacial period formed a ridge of obsidian (Hrafntinnuhryggur). The ridge rises up to 80 m above the surrounding land and is composed of a number of small-volume lava bodies with minor fragmental material. The total volume is
Original languageEnglish
Pages (from-to)352 - 366
Number of pages15
JournalJournal of Volcanology and Geothermal Research
Volume185
Issue number4
DOIs
Publication statusPublished - 2009
Externally publishedYes

Cite this