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pro vyhledávání: '"Tanja Grandvuinet"'
Publikováno v:
Journal of Volcanology and Geothermal Research. 162:1-19
We present 34 new age results from 40Ar/39Ar incremental heating analyses of groundmass separates from volcanic rocks from Sao Nicolau, Cape Verde. Combining the age results with field observations, we show that the volcanic activity that formed the
Autor:
Paul Martin Holm, Jacob Friis, Susanne Plesner, Tanja Grandvuinet, J. Richard Wilson, Abigail K. Barker
Publikováno v:
Journal of Geophysical Research: Solid Earth. 113
The 40 Ar- 39 Ar analyses of 28 groundmass separates from volcanic rocks from the islands of Santiago, Sal, and Sao Vicente, Cape Verde archipelago, are presented. The new age data record the volcanic evolution for Santiago from 4.6 to 0.7 Ma, for Sa