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Springer Geology
publication venue for: Geology and Stratigraphy of the Cerro Prieto Volcanic Complex, Baja California Norte, México
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Geology and Stratigraphy of the Cerro Prieto Volcanic Complex, Baja California Norte, México
abstract: New mapping and stratigraphy of the Cerro Prieto Volcanic Complex indicates that it was constructed by several events: (1) The beginning was characterized by the emission of dacitic lavas that interacted with water-saturated sandstones, producing brecciated lavas; (2) then, effusive activity formed a lava dome that was destroyed by a phreatic eruption, producing a lithic fallout and a 300-m-wide summit crater; (3) afterwards, the volcano recorded effusive activity with the emplacement of three domes and a fissural lava flow; and (4) subsequent erosion of the volcanic complex resulted in the emplacement of debris flows around the complex. These magmatic events occurred at around 80 ka over a relatively short period of time. All rocks of this complex are composed of porphyritic lavas with phenocrysts of opx plg qtz iron oxides ≫ ghost of amphibole, embedded in a groundmass with plagioclase microlites and glass, with a dacitic chemical composition (67–69 wt %25 silica). © 2014, Springer-Verlag Berlin Heidelberg.
related by: authorship_46643
freetext keyword: Cerro Prieto; Geochemistry; Mexico; Stratigraphy; Volcanic
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related by: authorship_46642
related by: authorship_46648
estado: published
origen: scopus
has publication venue: Springer Geology
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page start: 1257
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page end: 1261
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crisid: 7265
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related by: authorship_46647
doi: 10.1007/978-3-319-04364-7_241
date time value: chapter date 7265
e iscopus: 2-s2.0-85078101846
related by: authorship_46646
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most specific type: Document
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related by: authorship_46645
type: Generically Dependent Continuant
most specific type: Chapter
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abstract: New mapping and stratigraphy of the Cerro Prieto Volcanic Complex indicates that it was constructed by several events: (1) The beginning was characterized by the emission of dacitic lavas that interacted with water-saturated sandstones, producing brecciated lavas; (2) then, effusive activity formed a lava dome that was destroyed by a phreatic eruption, producing a lithic fallout and a 300-m-wide summit crater; (3) afterwards, the volcano recorded effusive activity with the emplacement of three domes and a fissural lava flow; and (4) subsequent erosion of the volcanic complex resulted in the emplacement of debris flows around the complex. These magmatic events occurred at around 80 ka over a relatively short period of time. All rocks of this complex are composed of porphyritic lavas with phenocrysts of opx %2b plg %2b qtz %2b iron oxides ≫ ghost of amphibole, embedded in a groundmass with plagioclase microlites and glass, with a dacitic chemical composition (67–69 wt %25 silica). © 2014, Springer-Verlag Berlin Heidelberg.

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date: 2026-08-28T01:50:30
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