Tracing the source of sediment and phosphorus into the Great Barrier Reef lagoon
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McCulloch, Malcolm; Pailles, Christine; Moody, Philip; Martin, Candace
Description
Neodymium and strontium isotopic systematics show that terrestrial phosphorus (P) entering the inner Great Barrier Reef (GBR) is dominated by the transport and dispersal of fine-grained basaltic soils. Soils derived from alkali basalts have high total P (3000-4000 mg/kg) and distinctive143Nd/144Nd isotopic signatures (εNd ∼+3 to +5), while the more common Palaeozoic granitic/metamorphic soils have much lower total P (300-600 mg/kg) and143Nd isotopic signatures ( εNd ∼-8). The nearshore...[Show more]
Collections | ANU Research Publications |
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Date published: | 2003 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/76349 |
Source: | Earth and Planetary Science Letters |
DOI: | 10.1016/S0012-821X(03)00145-6 |
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