New and revised 14C dates for Hawaiian surface lava flows: paleomagnetic and geomagnetic implications
Pressling, N., Trusdell, F.A. and Gubbins, D. (2009) New and revised 14C dates for Hawaiian surface lava flows: paleomagnetic and geomagnetic implications. Geophysical Research Letters, 36, L11306. (doi:10.1029/2009GL037792).
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Radiocarbon dates have been obtained for 30 charcoal samples corresponding to 27 surface lava flows from the Mauna Loa and Kilauea volcanoes on the Island of Hawaii. The submitted charcoal was a mixture of fresh and archived material. Preparation and analysis was undertaken at the NERC Radiocarbon Laboratory in Glasgow, Scotland, and the associated SUERC Accelerator Mass Spectrometry facility. The resulting dates range from 390 years B.P. to 12,910 years B.P. with corresponding error bars an order of magnitude smaller than previously obtained using the gas-counting method. The new and revised 14C data set can aid hazard and risk assessment on the island. The data presented here also have implications for geomagnetic modelling, which at present is limited by large dating errors.
|Subjects:||Q Science > QE Geology|
|Divisions:||University Structure - Pre August 2011 > School of Ocean & Earth Science (SOC/SOES)
University Structure - Pre August 2011 > National Oceanography Centre (NERC)
|Date Deposited:||06 Oct 2009|
|Last Modified:||27 Mar 2014 18:48|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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