peraluminous


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peraluminous

[‚pər·ə′lü·mə·nəs]
(petrology)
Of igneous rock, having a molecular proportion of aluminum oxide greater than that of sodium oxide and potassium oxide combined.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Irber, W.: 1999, The lanthanide tetrad effect and its correlation with K/Rb, Eu/Eu*, Sr/Eu, Y/Ho, and Zr/Hf of evolving peraluminous granite suites.
REE MOBILITY AND TETRAD EFFECTS IN BAUXITES: AN EXAMPLE FROM THE KANISHEETEH DEPOSIT, NW IRAN
Abdel-Rahman AFM (2001) Peraluminous plutonism: nature and origin of the Moly May leucogranite and its Coast Plutonic Complex granitic host-rocks, northwestern British Columbia.
Review and outlook for agromineral research in agriculture and climate mitigation
Peraluminous granitoids formed by crustal melting are also common.
Hydrogeochemical Characteristics and Geothermometry Applications of Thermal Waters in Coastal Xinzhou and Shenzao Geothermal Fields, Guangdong, China
All four of the dated samples fall in the peraluminous field (Fig.
Geological relationships and laser ablation ICP-MS U-Pb geochronology of the Saint George Batholith, southwestern New Brunswick, Canada: implications for its tectonomagmatic evolution
Analysis revealed that these rocks have high K calc-alkaline affinity, whereas high alumina to silica ratio in these rocks infers them to be metaluminous to peraluminous. Quartzofeldspathic veins and sulfide mineralization zones within the Chakdara granite gneisses have economically low concentration of Au, Ag and base metals.
Petrochemical study of Chakdara granitic gneisses in prospect of gold and precious metals, Lower Dir, KP, Pakistan
Mafic microgranular enclaves (MMEs) are common in metaluminous to peraluminous granitoid plutons (Cantagrel et al.
Interaction of the lithospheric mantle and crustal melts for the generation of the Horoz Pluton (Nigde, Turkey): whole-rock geochemical and Sr-Nd-Pb isotopic evidence/Litosfaarilise vahevoo ja maakooretekkega magmade suhted Horozi intrusiooni (Turgi) tekkes kivimi geokeemiliste ning Sr-Nd-Pb isotoopgeoloogiliste andmete alusel
(1999): Mafic precursors, peraluminous granitoids, and late lamprophyres in the Avila batholith, A model for the generation of Variscan batholiths in Iberia.
Polygonal cracking associated to vertical and subvertical fracture surfaces in granite (La Pedriza del Manzanares, Spain): considerations for a morphological classification
Nature of biotites from alkaline, calc-alkaline, and peraluminous magmas.
Composition of biotite within the Wushan granodiorite, Jiangxi Province, China: petrogenetic and metallogenetic implications
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