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An investigation of geochemically enriched hotspots - an example from the Tasmantid Seamounts, the Azores, and Hawai'i

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thesis
posted on 15.03.2022, 23:41 by SASKIA RUTTOR
Hot mantle material can rise towards the surface from a depth of 2900 km underneath us. Processes that this mantle material experiences before it erupts as an intraplate volcano are not well understood yet. This thesis will use iron isotopes to understand such processes better. For this, I analysed lavas from the Tasmantid Seamounts, the Azores, and Hawai’i. The results show that Fe isotopes are useful to identify the melting conditions, mantle material, and alteration processes that the lavas experience prior to eruption.

History

Campus location

Australia

Principal supervisor

Oliver Nebel

Additional supervisor 1

Yona Nebel-Jacobsen

Additional supervisor 2

Mark Kendrick

Year of Award

2022

Department, School or Centre

Earth, Atmosphere and Environment

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Faculty

Faculty of Science