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Interpreting environmental signals from the coralline sponge Astrosclera willeyana

Fallon, Stewart; McCulloch, Malcolm; Guilderson, Thomas

Description

Coralline sponges (sclerosponges) have been proposed as a new source for paleo subsurface temperature reconstructions by utilizing methods developed for reef-building corals. However unlike corals, they do not have density variations, making age determination difficult. In this study, we examined multiple elemental ratios (B / Ca, Mg / Ca, Sr / Ca, Ba / Ca, U / Ca) in the coralline sponge Astrosclera willeyana. We also measured skeletal density profiles along the outer "living" edge of the...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/82389
Source: Palaeogeography, Palaeoclimatology, Palaeoecology
DOI: 10.1016/j.palaeo.2005.03.053

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