The 1994–2001 eruptive period at Rabaul, Papua New Guinea: Petrological and geochemical evidence for basalt injections into a shallow dacite magma reservoir, and significant SO 2 flux
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Patia, H.; Eggins, S.M.; Arculus, Richard; McKee, C.O.; Johnson, R.W.; Bradney, A.
Description
The eruptions that began at Rabaul Caldera on 19 September 1994 had two focal points, the vents Tavurvur and Vulcan, located 6 km apart on opposing sides of the caldera. Vulcan eruptives define a tight cluster of dacite compositions, whereas Tavurvur eruptives span an array from equivalent dacite compositions to mafic andesites. The eruption of geochemically and mineralogically identical dacites from both vents indicates sourcing from the same magma reservoir. This, together with previously...[Show more]
Collections | ANU Research Publications |
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Date published: | 2017 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/139385 |
Source: | Journal of Volcanology and Geothermal Research |
DOI: | 10.1016/j.jvolgeores.2017.08.011 |
Access Rights: | Open Access |
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1-s2.0-S0377027317302147-main.pdf | 2.73 MB | Adobe PDF |
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