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Showing 1 to 1 of 1 for “"Primitive Intermediate Magma"”.
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Evidence From High Ni Olivine For Diverse Primitive Magmas In Cascade Volcanism
… element abundances in olivine phenocrysts from primitive, high-Mg# lavas (Mg/Mg+Fe >0.60) are used to explore the nature of magma genesis in the Cascade subduction system. Electron-microprobe analyses were obtained for olivine phenocrysts in primitive basalt from central Oregon and northern …