Data report: particle size distribution for IODP Expedition 329 sites in the South Pacific Gyre

Dubois, N., Mitchell, N. and Hall, Ian Robert ORCID: https://orcid.org/0000-0001-6960-1419 2014. Data report: particle size distribution for IODP Expedition 329 sites in the South Pacific Gyre. Proceedings of the Integrated Ocean Drilling Program 329 10.2204/iodp.proc.329.201.2014

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Abstract

We conducted particle size analyses on 208 samples from Integrated Ocean Drilling Program Expedition 329 in the South Pacific Gyre. Expedition 329 cored deep-sea sediment at seven sites along two transects in the center of the gyre. We analyzed the particle size distribution of sediment in the clay to silt size range (1.5–63 µm) at the seven drill sites using a Sedigraph particle size analyzer. Here we describe our laboratory procedure and present the overall results. The majority of samples are composed of clay-sized material, with some samples having >95 wt% of particles finer than 1.5 µm. However, a number of samples, in particular from sites located further offshore, show an extraordinarily well sorted particle size distribution.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Earth and Environmental Sciences
Publisher:	Integrated Ocean Drilling Program
ISSN:	1930-1014
Date of Acceptance:	6 February 2014
Last Modified:	25 Oct 2022 09:31
URI:	https://orca.cardiff.ac.uk/id/eprint/58897

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