monogenetic

Matching volcanic ash to its source

The collation of whole-rock major and trace element data has led to the development of a method to correlate volcanic ash samples to their source volcanic centres.

Tags:Auckland Volcanic Field basalt correlation monogenetic publications tephra tephrochronology

Multiple melting points suggest erratic eruptions worldwide

Discrete melt batches that move at different depths and speeds may explain the erratic spatial and temporal pattern of eruptions in the Auckland Volcanic Field (AVF).

Tags:Auckland Volcanic Field basaltic geochemistry melting monogenetic publications Rangitoto

Conundrum of Auckland’s Rangitoto volcano

Hazard scenarios for monogenetic (clustered) volcanism must cover a range of eruption periods as revealed by a study of Rangitoto.

Tags:basalt eruption magma monogenetic publications Rangitoto

DEVORA hosts international conference

Research on all aspects of monogenetic (small-volume) volcanism has been presented at the Fourth International Maar Conference (4IMC) in Auckland.

Tags:Auckland Communication Emergency Management geochemical maar magma monogenetic volcanism

Assuming the mantle of eruption scale analyst

The scale of eruption in the Auckland Volcanic Field (AVF) appears to be controlled by the dynamics of the soft area (asthenosphere) of the upper mantle.