Re-anchoring the late Pleistocene tephrochronology of New Zealand based on concordant radiocarbon ages and combined U-238/Th-230 disequilibrium and (U-Th)/He zircon ages
The caldera-forming Rotoiti eruption from Okataina volcano was one of the largest rhyolite events of the last 100ka in the Taupo Volcanic Zone, New Zealand. Its associated widespread tephra layer (Rotoehu tephra) is a significant time marker in terrestrial-marine paleoclimate correlation studies in the SW Pacific. However, the accurate and precise age of this eruption, and of the subsequent, smaller volume Earthquake Flat (EQF) eruption, has been the subject of controversy despite numerous...[Show more]
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|Source:||Earth and Planetary Science Letters|
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