ZIRCON FROM SWIFT CREEK STAGE ERUPTIONS RECORDS THE ASSEMBLY AND EVOLUTION OF AN INTRUSIVE MAGMATIC COMPLEX BENEATH MOUNT ST. HELENS
This study employs combined U-Th radiometric age and trace element analyses of zircon from rocks of the Swift Creek stage (16 to 10 ka) of Mount St. Helens in order to obtain time-temperature-composition records of the melts from which these crystals grew. Results illustrate that the Mount St. Helen...
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Format: | Others |
Language: | en |
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VANDERBILT
2009
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Online Access: | http://etd.library.vanderbilt.edu/available/etd-12012009-133926/ |