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Showing 1 to 1 of 1 for “"volcanic tempos"”.
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Igneous life cycles: geochemistry of magma from mantle to surface and back again
… a wide diversity of magma compositions, but the tempos of compositional variation are unclear. Here, we investigate a 7-million year record of volcanic ash layers in the Cretaceous Eagle Ford Group to investigate temporal changes in ash composition on <100 kyr timescales. We apply an empirical …