Petrological and geochemical study of Neogene volcanic rocks in the Cartagena-Mar Menor area (SE Spain)
DOI:
https://doi.org/10.55407/geogaceta113286Keywords:
Higk-K calc-alkaline series, shoshonitic series, enclaves, lamproites, mantleAbstract
The Neogene volcanic outcrops of the Cartagena-Mar Menor area consist of domes made up of volcanic breccias at their edges and massive materials towards their core. Rocks are microporphyritic with aphanitic matrix and their most striking feature is the abundance of metamorphic restitic and igneous enclaves in their outcrops. Petrography and geochemical data suggest that the volcanic rocks in the Mar Menor would have come from a crustal peraluminous magma, while those in the Cartagena area would have originated from the mixture between a crustal magma similar to that of the Mar Menor area and a mantle magma.
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