SciELO - Scientific Electronic Library Online

 
vol.38 issue2U-Pb LA-ICP-MS GEOCHRONOLOGY AND GEOCHEMISTRY OF JURASSIC VOLCANIC AND PLUTONIC ROCKS FROM THE PUTUMAYO REGION (SOUTHERN COLOMBIA): TECTONIC SETTING AND REGIONAL CORRELATIONSNOGONTOVA FORMATION, A NEW LITHOSTRATIGRAPHIC UNIT IN THE EASTERN CORDILLERA OF COLOMBIA author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Article

Indicators

Related links

  • On index processCited by Google
  • Have no similar articlesSimilars in SciELO
  • On index processSimilars in Google

Share


Boletin de Geología

Print version ISSN 0120-0283

Abstract

QUICENO-COLORADO, July et al. PETROGRAPHY AND GEOCHEMISTRY OF PAYANDÉ STOCK AND ITS RELATION TO JURASIC MAGMATISM OF THE SOUTHERN COLOMBIA. bol.geol. [online]. 2016, vol.38, n.2, pp.39-53. ISSN 0120-0283.  http://dx.doi.org/10.18273/revbol.v38n2-2016002.

Post-Triassic plutonic rocks, known as Payande Stock, are outcropping in the eastern flank of the Colombian Central Cordillera nearby San Luis-Tolima town. Detailed cartographic, petrographic, and geochemical analyses carried out on these rocks reveal compositional variations from gabbroic diorite to granodiorite. Tectonic discrimination diagrams show that the Payande Stock is associated with volcanic arcs formed in active continental margins. The chemical characteristics and fieldwork allow us to make a comparison between this intrusive with volcanic and plutonic regional bodies originated during the Jurassic in the Central Cordillera and Upper Magdalena Valley

Keywords : Payande Stock; Upper Magdalena Valley; Jurassic; Central Cordillera; Volcanic Arcs.

        · abstract in Spanish     · text in Spanish     · Spanish ( pdf )