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Geochemical Variability & Implications For Magma Transport At 14°N On The Mid-Atlantic Ridge, Emma Elizabeth Mccully
Geochemical Variability & Implications For Magma Transport At 14°N On The Mid-Atlantic Ridge, Emma Elizabeth Mccully
Boise State University Theses and Dissertations
Observations of seafloor bathymetry and gravity surveys indicate that magma focuses in the center of slow spreading Mid-Ocean Ridge (MOR) segments, however; it is not well constrained how magma is generated, stored, and transported to the segment ends. There are two end-member models for magma transport: 1) a focused magma model wherein the magma upwells beneath the entire ridge axis, is focused and pools beneath the center of the segment, and is then transported towards the segment ends via lateral diking in the shallow crust and 2) a distributed magma model wherein magma vertically upwells and is erupted on the …