%0 Conference Paper %A Lunar Hernández, María Del Rosario %A Ortega Menor, Lorena %A Piña García, Rubén %A Gervilla, Fernando %A Monterrubio, Serafín %A Merinero, Raúl %T Podiform chromitites from the Calzadilla de los Barros serpentinite, Iberian Massif, SW Spain %D 2011 %U https://hdl.handle.net/20.500.14352/106062 %X Podiform chromitites occur as in situ and removed bodies in the Calzadilla de los Barros Serpentinite (Iberian Massif, SW Spain), a set of ultramafic massifs made up of partly serpentinized harzburgite with minor dunite and gabbros. They consist of massive to semi-massive chromitites, frequently with nodular texture. Chromite chemistry is characterized by high Al2O3 contents and up to 0.4 wt.% TiO2, in agreement with a MORB affinity of the parental melt. Platinum-group element abundances are similar to most Al-chromitites reported in the literature except for an unusual enrichment in Pt and Pd. High Pt and Pd values were probably caused by late metamorphic alteration. %~