Petrogenesis of the Tertiary Anorogenic Volcanic Series of Southern Queensland, Australia, in the Light of Trace Element Geochemistry and O, Sr and Pb Isotopes
- 1 August 1982
- journal article
- Published by Oxford University Press (OUP) in Journal of Petrology
- Vol. 23 (3) , 344-382
- https://doi.org/10.1093/petrology/23.3.344
Abstract
The magmas of the Tertiary volcanic province of S. Queensland are chemically bimodal, and occur in numerous volcanic centres, at least three representing original shield volcanoes. The mafic lavas are dominantly hawaiites and tholeiitic andesites, whereas the silicic magmas comprise mainly trachytes, rhyolites, and comendites.Keywords
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