238U-230Th-226Ra-210Pb constraints on the genesis of high-Mg andesites at White Island, New Zealand
On White Island, New Zealand, the intensified period of strombolian-volcanian and phreatomagmatic explosive activity that commenced in March 1977 led to eruption of unusually primitive, high-Mg andesites. These are Fo80-93 olivine-saturated rocks that have MgO contents up to 10% (Mg# = 65-71) and Si...
| Main Authors: | , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2007
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