petrogenesis


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Related to petrogenesis: Rock cycle, petrography, metamorphism

petrogenesis

[¦pe·trō′jen·ə·səs]
(petrology)
That branch of petrology dealing with the origin of rocks, particularly igneous rocks. Also known as petrogeny.
References in periodicals archive ?
Petrogenesis of Late Cretaceous I-type granites in the southern Yidun Terrane: New constraints on the Late Mesozoic tectonic evolution of the eastern Tibetan Plateau.
and Millar, I.L.: 2008, Geochemistry and petrogenesis of Cretaceous oceanic plateau lavas in eastern Jamaica.
Petrogenesis de venas hidrotermales con cianita en rocas metapeliticas de la Formacion Silgara, region central del Macizo de Santander.
Tenders are invited for To submit approximately 200 samples rocks to a commercial lab for bulk chemical characterization to support investigations of the petrogenesis of igneous rocks in our project area.
Sin embargo, el presente trabajo se centrara en rocas de aspecto granitico que presentan diversas tonalidades de color verde (Figura 3), unicas en Venezuela (Marino, et al., 2007) que posteriormente, luego de los estudios petrograficos y de petrogenesis, se reconocieron evidencias de metamorfismo y posteriormente se identificaron como charnockita sienitica fayalitica o bauchita (Grande y Marino, 2011).
Recent studies have focused their attention on the nature and petrogenesis of the SCS mafic bodies (Molina et al., 2009, 2012; Orejana et al., 2009; Scarrow et al., 2009; Villaseca et al., 2011).
A-type granites, geoche-mical characteristics, dis crimination and petrogenesis. Contributions to Mineralogy and Petrology 95: 407-419.