Mathematics – Logic
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987e%26psl..85..265s&link_type=abstract
Earth and Planetary Science Letters, Volume 85, Issue 1-3, p. 265-276.
Mathematics
Logic
42
Scientific paper
The Central Volcanic Region of New Zealand is an active back-arc basin developed within continental lithosphere, and therefore offers a rare opportunity to study back-arc extension from land-based observations. Two parameters related to the heat output from the Central Volcanic Region are of particular interest. Firstly, the average heat flow for the eastern half of the Central Volcanic Region is about 800 mW/m2-in order to maintain this heat flow over geological time periods an efficient mass-transfer of heat is required. Secondly, the observed asymmetry in the pattern of heat output, coupled with the tectonic erosion of blocks of continental crust from the eastern axial ranges into the Central Volcanic Region, suggests that the process currently in progress at the eastern margin of the Region is asymmetric spreading with concomitant thermal differentiation of continental crust into its silicic and basic components.
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