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%. For and . Conc, 100% denotes a concordant analysis

. Fig, Examples of back-scattered electron SEM images of analyzed monazite grains,in the Montalet granite and late migmatitic granites. a) montalet biotite-rich facies, b) Montalet garnet-rich facies, c) Soulié two-micas granite, d) Anglès biotite granite. The grains exhibit subhedral shapes with a faint patchy zoning, and rare inclusions

. Fig, Thin sections of Montalet granite showing the textural relationships of monazite with other granite mineral phases. a, b,c: biotite-rich facies; c,d,e: garnet rich facies. Monazite is located either as inclusion in biotite (b, e)

. Fig, Tectonic map of the Variscan French massifs showing the zonation of the belt, and the widespread location of the Middle Carboniferous partial melting, Late Visean? Serpukhovian migmatites, and the Late Visean " Tufs anthracifères " series. MGCR: Midgerman crystalline rise interpreted as a microcontinent extending in the Léon in NW Massif Armoricain, the MGCR, O: Odenwald, S: Spessart