Detrital zircon sources in the Ordovician metasedimentary rocks of the Moroccan Meseta: U-Pb (LA-ICPMS, SHRIMP and SIMS) data from the Beni Mellala inlier (Western Moroccan Meseta)

U-Pb data associated to the paper "Detrital zircon sources in the Ordovician metasedimentary rocks of the Moroccan Meseta: inferences on northern Gondwanan passive margin paleogeography" (submitted to the GSA Special Publication "New developments in the Appalachian-Caledonian-Variscan orogen")