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Magma Interaction Recorded in Plagioclase Zoning in Granitoid Systems, Zigana Granitoid, Eastern Pontides, Turkey
plagioclase oscillatory zoning mafic-felsic magma interaction Zigana Granitoid eastern Pontides Turkey
2009/7/8
Plagioclase crystals characterized by compositional zoning are typical of the Zigana Granitoid (ZG), NE Turkey. The zoned crystals, which show textural equilibrium with the assemblage quartz + plagio...
Peristerite exsolution in metamorphic plagioclase from the Lepontine Alps: An analytical and transmission electron microscope study
analytical transmission electron microscope study Lepontine Alps
2012/3/31
Transmissionandanalyticalelectronmicroscopywereusedtoexaminerelationships
betweenmicrostructuresandcompositionsingreenschist-andamphibolite-faciesmeta-
morphicplagioclase(albiteandoligoclase)fromthe...
Formation of Vermicular Kaolinite from Halloysite Aggregates in the Weathering of Plagioclase
Halloysite Kaolinite Scanning Electron Microscopy Weathering
2011/12/8
Abstract: Halloysite and kaolinite coexist in anorthosite weathering profiles in the Sancheong district, Korea. X-ray diffraction (XRD) analysis on a transect of partially weathered anorthosites revea...
TEM investigation of potassium-calcium feldspar inclusions in B鴊gild plagioclase
TEM investigation potassium-calcium feldspar inclusions B鴊gild plagioclase
2012/4/6
PotassiumcalciumfeldsparinclusionsinaBggildplagioclasewereinvestigatedbyanalyticalhighresolutiontransmissionelectronmicroscHRTEM),andtheformationprocessoftheseinclusionsisconsideredbasedontheAlSiorder...
Pressure-temperature-reaction history of metapelitic rocks from the Maryland Piedmont on the basis of correlated garnet zoning and plagioclase-inclusion composition
Pressure-temperature-reaction history metapelitic rocks Maryland Piedmont garnet zoning plagioclase-inclusion composition
2012/4/9
Regional structural interpretation, thermobarometry, and Gibbs-method calculations werecombined to determine an approximate P-Tpath for kyanite-grade metapelitic rocks ofthe Baltimore Gneiss terrane. ...
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...
Weathering of Granitic Muscovite to Kaolinite and Halloysite and of Plagioclase-Derived Kaolinite to Halloysite
Alteration Halloysite Kaolinite Morphology Muscovite Smectite Transmission electron microscopy Weathering
2011/12/31
Weathered perthite and mixed muscovite-kaolinite from a kaolinitic granite at Trial Hill in east Queensland and kaolinized sericitic alteration from a granite from the Ardlethan Tin Mine of New South ...
Analytical Transmission Electron Microscope Studies of Plagioclase, Muscovite, and K-Feldspar Weathering
Analytical electron microscopy High-resolution transmission electron microscopy Illite Kaolinite K-feldspar Muscovite Noncrystalline intermediate Plagioclase
2011/11/30
Abstract: Analytical and high-resolution transmission electron microscopy of weathered plagioclase and K-feldspar provided microtextural and chemical data that suggest a sequential formation of weathe...
Scanning Electron Microscopic Study of Imogolite Formation from Plagioclase
Alteration Fiber Imogolite Plagioclase SEM Weathering
2012/2/9
Imogolite occurs as tiny bumps less than 0.05 祄 in diameter and about 0.3 祄 long on amorphous thin layers on the surface of weathered plagioclase. The bumps grow outward from the surface to form proje...
Electron-Optical Study of Hydrothermal Fringe Alteration of Plagioclase in Quartz Monzonite, Butte District, Montana
Electron-Optical Study Hydrothermal Fringe Alteration Plagioclase Quartz Monzonite
2012/2/21
Plagioclase feldspar is one of the outermost minerals destroyed in the hydrothermal alteration of quartz monzonite of the Butte district, Montana. Single grains of andesine plagioclase showing varying...