U-Pb detrital zircon data of the Rio Fuerte Formation (NW Mexico)

Its peri-Gondwanan provenance and exotic nature in relation to southwestern North America

Ricardo Vega-Granillo, Sergio Salgado-Souto, Saúl Herrera-Urbina, Víctor Valencia, Joaquin Ruiz, Diana Meza-Figueroa, Oscar Talavera-Mendoza

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

U-Pb detrital zircon studies in the Rio Fuerte Group, NW Mexico, establish its depositional tectonic setting and its exotic nature in relation to the North American craton. Two metasedimentary samples of the Rio Fuerte Formation yield major age clusters at 453-508 Ma, 547-579 Ma, 726-606 Ma, and sparse quantities of older zircons. The cumulative age plots are quite different from those arising from lower Paleozoic miogeoclinal rocks of southwestern North America and of Cordilleran Paleozoic exotic terranes such as Golconda and Robert Mountains. The relative age-probability plots are similar to some reported from the Mixteco terrane in southern Mexico and from some lower Paleozoic Gondwanan sequences, but they differ from those in the Gondwanan-affinity Oaxaca terrane. Major zircon age clusters indicate deposition in an intraoceanic basin located between a Late Ordovician magmatic arc and either a peri-Gondwanan terrane or northern Gondwanaland. The U-Pb magmatic ages of 151 ± 3 Ma from a granitic pluton and 155 ± 4 Ma from a granitic sill permit a revision of the stratigraphic and tectonic evolution of the Rio Fuerte Group. A regional metamorphism event predating the Late Jurassic magmatism is preliminarily ascribed to the Late Permian amalgamation of Laurentia and Gondwana. The Late Jurassic magmatism, deformation, and regional metamorphism are related to the Nevadan Orogeny.

Original languageEnglish (US)
Pages (from-to)343-354
Number of pages12
JournalJournal of South American Earth Sciences
Volume26
Issue number4
DOIs
StatePublished - Dec 2008

Fingerprint

provenance
zircon
terrane
Paleozoic
regional metamorphism
magmatism
Jurassic
Laurentia
tectonic evolution
tectonic setting
sill
orogeny
Gondwana
pluton
craton
Ordovician
Permian
North America
mountain
basin

Keywords

  • Late Ordovician
  • Northwestern Mexico
  • Peri-Gondwanan
  • Provenance
  • U-Pb geochronology

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Geology

Cite this

U-Pb detrital zircon data of the Rio Fuerte Formation (NW Mexico) : Its peri-Gondwanan provenance and exotic nature in relation to southwestern North America. / Vega-Granillo, Ricardo; Salgado-Souto, Sergio; Herrera-Urbina, Saúl; Valencia, Víctor; Ruiz, Joaquin; Meza-Figueroa, Diana; Talavera-Mendoza, Oscar.

In: Journal of South American Earth Sciences, Vol. 26, No. 4, 12.2008, p. 343-354.

Research output: Contribution to journalArticle

Vega-Granillo, Ricardo ; Salgado-Souto, Sergio ; Herrera-Urbina, Saúl ; Valencia, Víctor ; Ruiz, Joaquin ; Meza-Figueroa, Diana ; Talavera-Mendoza, Oscar. / U-Pb detrital zircon data of the Rio Fuerte Formation (NW Mexico) : Its peri-Gondwanan provenance and exotic nature in relation to southwestern North America. In: Journal of South American Earth Sciences. 2008 ; Vol. 26, No. 4. pp. 343-354.
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