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I work for a publishers actos tablets bladder cancer dye Ruprecht and co-author Terry Plank discovered this fast rise of deep magma by looking at crystals of the mineral olivine taken from the ashes of the Irazu eruption in the 1960s. As magma rises from the mantle, crystals of olivine -- a mixture of magnesium, silicon, and oxygen -- start to form. Olivine also has an affinity for the element nickel, which is abundant in the Earth창?혲s mantle. Normally, as the magma was mixed over a very long time, nickel would be distributed more or less evenly among the olivine crystals. But when Ruprecht and Plank looked at the olivine from the Irazu ashes, they found strange spikes of nickel. Those spikes suggest the magma from Irazu was incredibly fresh; the nickel did not have enough time to spread out evenly among the olivine crystals.
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