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Complex zoning in apatite from the Idaho batholith: A record of magma mixing and intracrystalline trace element diffusion
Idaho batholith magma mixing intracrystalline trace element diffusion REE
2012/3/31
Apatite crystals in a sample of biotite granodiorite from the Idaho batholith display complex chemi-
cal zoning, characterized by abrupt changes in REE+Y+Si content, more subtle variations in S, Na,
...
Magma evolution recorded in plagioclase zoning in 1991 Pinatubo eruption products
Magma evolution plagioclase zoning Pinatubo eruption products
2012/4/6
Plagioclase, the mostabundant phenocryst at MountPinatubo, displays varying textures and compositions within the 1991 eruption products. In June 7-14 dome-forming ande-site, plagioclase phenocrysts sh...
Magma transport and metasomatism in the mantle: A critical review of current geochemical models---Reply to Navon et al.
Magma transport metasomatism mantle:current geochemical models
2012/4/6
Navon et al. (1996) demonstrated that the Navon and Stolper (1987) model can be formulated to reproduce a pattern oflight-ion lithophile trace element (LIL) enrichments produced by a single, small-sca...
Magma transport and metasomatism in the mantle: A critical review of current geochemical models---Discussion
Magma transport metasomatism mantle critical review current geochemical models---Discussion
2012/4/6
Nielson and Wilshire (1993) promised a review of geochemically based models for magma transport and metasomatism in the mantle. However, they focused ondiscrediting the chromatographic modelofNavon an...
Roof-rock contamination of Taylor Creek rhyolite magma as recorded in hornblende phenocrysts and biotite xenocrysts
Roof-rock contamination Taylor Creek rhyolite magma hornblende phenocrysts biotite xenocrysts
2012/4/5
TheTaylorCreekRhyolite, a group ofcoeval, mid-Tertiary, silica-rich rhyolite lava domesin southwestern NewMexico,is notableforrecording bulk rockevidenceofminor, yeteasilymeasurable,contamination ofit...