A simple model of Rn-222 accumulation leading to Pb-210 excesses in volcanic rocks
While most rocks from active volcanoes display ((210)pb/Ra-226) activity ratios lower than or close to the equilibrium value of 1, several other have ratios much higher than 1. Transfer of Rn-222 by magmatic volatiles has often been advocated to explain both Pb-210 deficits and excesses. We develop...
Published in: | Earth and Planetary Science Letters |
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Main Authors: | , , |
Other Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2010
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Subjects: | |
Online Access: | https://hal.science/hal-00496398 https://doi.org/10.1016/j.epsl.2010.02.048 |