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A simple radiocarbon dating method for determining the age and growth rate of deep-sea sponges

Fallon, Stewart; Strzepek (previously James), Kelly; Norman, Rebecca; Kelly, Michelle; Ellwood, Michael


The ability to reliably age siliceous sponges is explored using radiocarbon dating of several hexactinellid sponge specimens including Rossella racovitzae racovitzae Topsent, 1901 (C. Hexactinellida: O. Lyssacinosida: F. Rossellidae), collected from the Ross Sea, Antarctica. The optimal pretreatment was found to consist of both sequential acid digestion and pre-roasting at temperatures >400 °C. Subsequent combustion at 900 °C liberated the proteinaceous material within the spicule matrix and...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Nuclear Instruments and Methods in Physics Research: Section B
DOI: 10.1016/j.nimb.2009.10.143


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