Fig. S2. Nd isotope record of ocean closure archived in limestones of the Devonian–Carboniferous carbonate platform, Greater Karatau, southern Kazakhstan

Fig. S2. (a) Fenestral micritic limestone with intercalations of algal laminites; Serpukhovian intertidal deposits, Ushozen section. (b) Fine-laminated stromatolite; Famennian intertidal deposits; Besharik section. (c) Typical flaser limestone; Tournaisian outer-ramp facies, Zhertansai section. (d) Massive skeletal mudstone-wackestone intercalated with layers of calcite cements (zebra fabric); Serpukhovian outer-ramp facies, Aktobe section. All scale bars = 10 cm.