2006
DOI: 10.1016/j.jsames.2006.07.005
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Geochronological and isotopical review of pre-Devonian crustal basement of the Colombian Andes

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Cited by 66 publications
(46 citation statements)
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References 18 publications
(19 reference statements)
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“…Pioneering work by Kroonemberg (1982) considered this belt to represent the remnants of Grenvillian interaction between Laurentia and Amazonia. More recent geological and geochronological results have refined the paleogeographic context and tectonic implications of these basement inliers (Restrepo-Pace et al, 1997;Ruiz et al, 1999;Cordani et al, 2005;Jiménez-Mejía et al, 2006;Ordóñez-Carmona et al, 2006). In Northern Peru and Ecuador (Fig.…”
Section: Introductionmentioning
confidence: 88%
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“…Pioneering work by Kroonemberg (1982) considered this belt to represent the remnants of Grenvillian interaction between Laurentia and Amazonia. More recent geological and geochronological results have refined the paleogeographic context and tectonic implications of these basement inliers (Restrepo-Pace et al, 1997;Ruiz et al, 1999;Cordani et al, 2005;Jiménez-Mejía et al, 2006;Ordóñez-Carmona et al, 2006). In Northern Peru and Ecuador (Fig.…”
Section: Introductionmentioning
confidence: 88%
“…2A). These inliers can be divided in two main groups: (1) the Garzón Massif, which based on regional stratigraphic relationships with Cambrian and Jurassic rocks is considered as an autochthonous element of the northwestern Amazonian margin since Grenvillian times (Toussaint, 1993;Ordóñez-Carmona et al, 2006); (2) other Grenvillian blocks including the Santa Marta Massif, the Guajira Peninsula, the Santander Massif and the Grenvillian inliers on the eastern flank of the Central Cordillera (Toussaint, 1993;Ordóñez-Carmona et al, 2006). They are believed to represent a single terrane based on the presence of a similar Early to Middle Paleozoic tectonomagmatic overprint.…”
Section: Colombian and Venezuelan Andesmentioning
confidence: 99%
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“…Orogenesis during collision drove widespread deformation in the Quetame and Santander massifs (Forero Suarez, 1990;Ramos, 2009;Ramos, 2010;Restrepo-Pace and Cediel, 2010). However, (i) a Laurentian provenance is considered based upon similarities in Devonian fauna between Laurentia and the Northern Andes (Forero Suarez, 1990) instead of preOrdovician faunal similarities, which are required by the model of Ramos (2009;2010), (ii) rocks from the eastern Quetame Massif interpreted as Ordovician ophiolitic remnants (Ramos, 2009;2010) were either originally reported as submarine intracontinental volcanic rocks of unknown age (Ariari basalts; Cáceres et al, 2003) or are Silurian or younger gabbros and diorites that were emplaced into the Silurian Quetame Group (Forero Suarez, 1990;Ordóñez-Carmona et al, 2006), and are not ophiolites (e.g. Steinmann et al, 2003), and (iii) the Early Ordovician "graptolite facies" rocks interpreted as the autochthonous Gondwanan pre-collision passive margin by Ramos (2009), traverse across the proposed suture zone from southwest of the San Lucas Range (Fig.…”
Section: Accepted Manuscriptmentioning
confidence: 99%
“…Steinmann et al, 2003), and (iii) the Early Ordovician "graptolite facies" rocks interpreted as the autochthonous Gondwanan pre-collision passive margin by Ramos (2009), traverse across the proposed suture zone from southwest of the San Lucas Range (Fig. 1), which forms part of the "Chibcha Terrane" (Ordóñez-Carmona et al, 2006), to the eastern Llanos Basin ( Fig. 1), which overlies cratonic basement (Mojica and Villarroel, 1990 (Haq and Schutter, 2008).…”
Section: Accepted Manuscriptmentioning
confidence: 99%