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Geochemistry and tectonic setting of basalts from the Eastern Goldfields Superterrane
Australian Journal of Earth Sciences
A database of more than 650 whole rock analyses on basaltic rocks from the Eastern Goldfields Superterrane has been compiled from the literature and from public-domain datasets. The data falls into three distinct geochemical categories: a High-Th Siliceous Basalt group, a Low-Th Basalt group and an Intermediate-Th Basalt group. The Low-Th Basalt group shows SiO 2 values between 50 and 53 wt%; Al 2 O 3 around 15 wt%; elevated Cr and Ni; MgO mostly between 5.5 and 8 wt%; and flat REE-HFSEdoi:10.1080/08120099.2012.687398 fatcat:6qgn7gvoerbe5gb25srsnlbadu