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NA160116
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funding vehicle for: Geochemistry and petrogenesis of oligocene felsic volcanic rocks from the Pinos Volcanic Complex, Mesa Central, Mexico

336677, 932894
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type: BFO_0000020
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funding vehicle for: Geochemistry and petrogenesis of oligocene felsic volcanic rocks from the Pinos Volcanic Complex, Mesa Central, Mexico

Continuant
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Generically Dependent Continuant
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Journal of South American Earth Sciences
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publication venue for: Geochemistry and petrogenesis of oligocene felsic volcanic rocks from the Pinos Volcanic Complex, Mesa Central, Mexico
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RDF description of Geochemistry and petrogenesis of oligocene felsic volcanic rocks from the Pinos Volcanic Complex, Mesa Central, Mexico - http://orbis.uaslp.mx/vivo/individual/scopus6560
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date: 2026-08-28T01:50:32
publisher: vivo
type: Document

Article
type: Class

Geochemistry and petrogenesis of oligocene felsic volcanic rocks from the Pinos Volcanic Complex, Mesa Central, Mexico
type: Document
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most specific type: Article
crisid: 6561
type: Generically Dependent Continuant
artnum: 102704
most specific type: Document
date time value: article date 6561
type: Continuant
abstract: The Pinos Volcanic Complex (PVC) is located in the San Luis Potosi Volcanic Field (SLPV) and southern region of the Mesa Central that includes Oligocene rhyolites and trachydacites. These felsic volcanic rocks are characterized by porphyritic textures with a main mineralogical arrangement of phenocrystals of quartz, potassium feldspar (sanidine), plagioclase and biotite embedded in a vitreous matrix with microcrystals of quartz. They display peraluminous, high-silica, alkaline (not peralkaline) composition, with flat heavy rare earth element concentrations and negative Eu anomalies values. They are enriched in large-ion lithophile elements (LILEs; Rb, Ba, K, Th, Ce) relative to highfield-strength elements (HFSE; Nb, Zr, P, Ti). Trace element ratios trend highlights variable degree of partial melting rather than the role of fractional crystallization. The petrogenetic modelling of trace elements reveal that the felsic volcanic rocks are consistent with their formation via partial melting of the middle/upper continental crust. Multi-dimensional tectonic discriminant diagrams and magmatic model indicate an extensional tectonic environment for the genesis of the felsic volcanic rocks. © 2020 Elsevier Ltd
related by: authorship_42858
freetext keyword: Felsic volcanism; Geochemistry; Mesa central; Mexico; Petrogenesis; Tectonic setting felsic rock; fractional crystallization; geochemistry; Oligocene; partial melting; petrogenesis; rhyolite; tectonic evolution; tectonic setting; volcanic rock; Mesa Central; Mexico [North America]
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volume: 102
related by: authorship_42854
has funding vehicle: 336677, 932894
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estado: published
doi: 10.1016/j.jsames.2020.102704
has publication venue: Journal of South American Earth Sciences
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has funding vehicle: NA160116
related by: authorship_42855

Information Content Entity
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