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( 210 Pb/ 226 Ra) variations during the 1994-2001 intracaldera volcanism at Rabaul Caldera

Cunningham, H.S.; Turner, S P; Patia, H; Wysoczanski, R.; Nichols, R.; Eggins, Stephen; Dosseto, A


Determining the timing and source of gas transfer during intermittent intracaldera volcanism can aid in our understanding of degassing in these large systems. Using (210Pb/226Ra) ratios, (parentheses denote activity ratios) as a time-sensitive tracer, injections of 222Rn and the subsequent time scales of gas accumulation and loss can be determined. Variations in (210Pb/226Ra) have been measured for 15 volcanic products erupted at Rabaul Caldera over the period 1994 to 2001. In addition, one...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Volcanology and Geothermal Research
DOI: 10.1016/j.jvolgeores.2009.04.018


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