LaVasca

Description

We present geochemical, isotopic, and geochronological data from the LVAC and the surrounding area. The metaluminous rocks are monzonite and syenite with post-collisional geochemical affinity and Middle Eocene zircon ages between 47.6 ±0.3 Ma and 45.4 ±0.3 Ma that are significantly older than other alkaline rocks from the EMAP. The peralkaline rocks are composed of syenite and eudialyte-bearing foid-syenite with intraplate geochemical affinity that probably coevolved with the metaluminous rocks. Both groups show minimal crustal contamination, with affinity to an Ocean Island Basalt mantle source.

Institutions

• Centro de Investigacion Cientifica y de Educacion Superior de Ensenada

  Baja California, Ensenada

Categories

Funders

• Consejo Nacional de Humanidades, Ciencias y Tecnologías

  Mexico City, Mexico

  Grant ID: 804610
• División Ciencias de la Tierra, CICESE

  Grant ID: 644155
• Consejo Nacional de Ciencia y Tecnología

  Guatemala, Guatemala

  Grant ID: INFR-2016-01-269082
• Consejo Nacional de Humanidades, Ciencias y Tecnologías

  Mexico City, Mexico

  Grant ID: CF-2023-G-448

Licence