Zircon and apatite U-Pb geochronology of the Paleoproterozoic (Eburnean) basement and late Neoproterozoic (Pan-African) metamorphism and magmatism from Port-Béni, Armorican Massif (France)

Special Issue Some applications of LA-ICP-MS U-Pb geochronology: A tribute to Jean Louis Paquette

Open Access

Fig. 5

Typical textures and mineralogical contents, in thin sections, of the dated orthogneiss (A & B, sample PB-18-3), microgranodiorite (C & D, sample PB-18-2) and dolerite (E & F, sample PB-18-1) from Port-Béni. Plan polarized light (A, C & E) and cross-polarized light (B, D & F). Ap: apatite; Bt: biotite; Cpx: clinopyroxene; Cpx(p): clinopyroxene pseudomorph; Ep: epidote (in a vein, A &B); Hbl: hornblende; Op: opaque mineral; Or: orthoclase; Pl: plagioclase; Qtz: quartz.

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