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Compositional variation and structural state of columbite-tantalite in rare element granitic pegmatites of the Preissac-Lacorne batholith, Quebec, Canada
Compositional variation columbite-tantalite element granitic pegmatites Preissac-Lacorne batholith Quebec Canada
2012/4/5
Rare-element-enriched graniticpegmatitesin andnearthe LamotteandLacorneplutons ofthe ArcheanPreissac-Lacorne batholith (Quebec) arezoned from aleast fractionated beryltype in the parental pluton throu...
Compositional Variation in Component Layers in Natural Illite/Smectite
Bentonite Cation-exchange capacity Diagenesis Hydrothermal Illite Interstratification Smectite
2012/1/13
Published chemical data for suites of mixed-layer minerals from diagenetic sedimentary rocks, hydrothermally altered tufts, and a metasomatic bentonite bed indicate that the layer charge and compositi...
Compositional Variation of a Vermiculite as Related to Particle Size
Vermiculite Particle Size
2011/11/16
A vermiculite regolith sample from Llano, County, Texas, was divided into 16?2, 8?6, 4?, 2?, 1?, 綎1, 紪? 1 10 柤, and 5 100 ?1 10 micron equivalent spherical diameter size-classes. A well-crystallized v...