Developing a South Pacific tephra framework: Initial results from a Samoan Holocene sequence

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Title

Developing a South Pacific tephra framework: Initial results from a Samoan Holocene sequence

Content partner

The University of Auckland Library

Collection

ResearchSpace@Auckland

Description

Tephra preserved in sediments form useful isochronous marker layers, linking disparate geological, palaeoenvironmental and archaeological records. The application of tephrochronology is greatly enhanced through the detection of macroscopically invisible tephra (cryptotephra). Here, we identify two discrete cryptotephra in Samoan lake sediments, the first identification of cryptotephra in the region outside of New Zealand. Geochemical data suggest one ash layer is from a local Samoan source, p...

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Format

Research paper

Research format

Journal article

Date created

2023-08

Creator

Bourne, Anna J / Sear, David A / Langdon, Pete G / Cronin, Shane J

URL

https://hdl.handle.net/2292/66143

Related subjects

37 Earth Sciences / 3703 Geochemistry / 3705 Geology / 3706 Geophysics / Science & Technology / Physical Sciences / Geography, Physical / Geosciences, Multidisciplinary / Physical Geography / Geology / Holocene / Kermadec-Tongan volcano / Samoa / South Pacific / tephra / EXPLOSIVE VOLCANISM / NEW-ZEALAND / AGE / GEOCHEMISTRY / OKATAINA / INSIGHTS / ISLANDS / MODELS / RAOUL / ZONE / 0403 Geology / 0406 Physical Geography and Environmental Geoscience / 2101 Archaeology / 3709 Physical geography and environmental geoscience / 4301 Archaeology

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