Accretion of Grenvillian terranes to the southwestern border of the Río de la Plata craton, western Argentina

R Varela, MAS Basei, PD González, AM Sato… - International Journal of …, 2011 - Springer
A comprehensive review of the geological, geochronological, and isotopic features of the
Mesoproterozoic Grenvillian terranes attached to the southwest of the Río de la Plata craton …

Ages of pre-rift basement and synrift rocks along the conjugate rift and transform margins of the Argentine Precordillera and Laurentia

WA Thomas, RD Tucker, RA Astini… - …, 2012 - pubs.geoscienceworld.org
New geochronologic data from basement rocks support the interpretation that the Argentine
Precordillera (Cuyania) terrane was rifted from the Ouachita embayment of the Iapetan …

Detrital-zircon geochronology and provenance of the Ocloyic synorogenic clastic wedge, and Ordovician accretion of the Argentine Precordillera terrane

WA Thomas, RA Astini, PA Mueller… - …, 2015 - pubs.geoscienceworld.org
The Precordillera terrane in northwestern Argentina is interpreted to be an exotic
(Laurentian) continental fragment that was accreted to western Gondwana during the …

Siliciclastic Ordovician to Silurian units of the Argentine Precordillera: Constraints on provenance and tectonic setting in the proto-Andean margin of Gondwana

P Abre, CA Cingolani, B Cairncross… - Journal of South American …, 2012 - Elsevier
A combination of petrography, geochemistry, Sm–Nd, Pb–Pb and U–Pb detrital zircon dating
provide constraints to the provenance of Middle Ordovician to Early Silurian clastic …

The mafic-ultramafic belt of the Argentine Precordillera: A geological synthesis

FL Boedo, SP Luján, JP Ariza, GI Vujovich - Journal of South American …, 2021 - Elsevier
In central-western Argentina, a mafic-ultramafic belt occurs throughout the western margin of
the Precordillera. This belt is interpreted as the suture zone between the Cuyania terrane …

Crystalline basement from Laguna Amarga metamorphic complex in the high Andes of western Catamarca, Argentina (27° 15'-27° 40'south): Petrology, structure and …

EA Cristofolini, AF Morosini, AC Galli… - Journal of South …, 2022 - Elsevier
Abstract The Laguna Amarga Metamorphic Complex is a major stratigraphic component of
the southern Central Andes. The occurrence of crystalline basement pieces extensively …

Evaluation of petrogenetic models for intermediate and silicic plutonic rocks from the Sierra de Valle Fértil-La Huerta, Argentina: Petrologic constraints on the origin of …

JE Otamendi, LP Pinotti, MAS Basei… - Journal of South American …, 2010 - Elsevier
The whole Valle Fértil-La Huerta section appears as a calc-alkaline plutonic suite typical of a
destructive plate margin. New Sr and Nd isotopic whole-rock data and published whole-rock …

Mississippian lamprophyre dikes in western Sierras Pampeanas, Argentina: Evidence of transtensional tectonics along the SW margin of Gondwana

F Martina, HN Canelo, FM Dávila… - Journal of South …, 2018 - Elsevier
Abstract In the Famatina range, Sierras Pampeanas of Argentina (SW Gondwana),
subvertical calc-alkaline lamprophyric dike swarms crop out through> 300 km. The dikes cut …

[PDF][PDF] Ecorregión Altos Andes

SD Matteucci - Morello J, Matteucci SD, 2012 - researchgate.net
La Ecorregión Altos Andes ocupa los sectores de alta montaña al Oeste de la Argentina,
desde el límite con Bolivia al Norte hasta el Norte de Neuquén, pasando por Jujuy, Salta …

Upper-crustal architecture and record of Famatinian arc activity in the Sierra de Narváez and Sierra de Las Planchadas, NW Argentina

AD Lusk, BC Ratschbacher, MA Larrovere… - Journal of South …, 2021 - Elsevier
Abstract The 495 to 450 Ma Famatinian orogen, exposed throughout central and
northwestern Argentina, formed from east-directed subduction under the Gondwanan …