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Seminar Series: Dr. Cornel de Ronde

November 30, 2017 @ 12:00 pm - 1:00 pm

Dr. Cornel de Ronde
CNS Science, New Zealand
Joubin-James Fellowship Visiting Lecturer,

“The Sublacustrine Hydrothermal System(s) of Lake Rotomahana, New Zealand: Location of the Famed Pink and White Terraces”

Surveys of modern Lake Rotomahana, of the central North Island of New Zealand, has enabled pre-1886 reconstruction of the lake immediately after the eruption of Mt. Tarawera that purportedly caused the demise of one of the 8th natural wonders of the world at the time – the Pink and White Terraces.  Part of the eruption occurred beneath old Lake Tarawera which triggered a devastating phreatomagmatic eruption causing local devastation and resulting in the death of 120 people.  An unprecedented amount of data was collected during recent surveys, including high resolution (0.5 m) bathymetry of the lake floor, magnetics, side-scan sonar images, two-dimensional seismic reflection profiles, physical and chemical water column measurements, sediment cores, heat flow measurements and photographs of the lake floor, collectively providing insight into the last ~130 years of hydrothermal activity in the area.  There is evidence that parts of the terraces may have survived the eruption.

Earth Sciences Centre, Room 2093, 12pm


 All Welcome


November 30, 2017
12:00 pm - 1:00 pm
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