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Fig. 4 | Journal of Palaeogeography

Fig. 4

From: Types and microbial genesis of carbonate microbodies in Zoophycos from the Pennsylvanian to Cisuralian Taiyuan Formation in North China

Fig. 4

Carbonate spheroids found in the Zoophycos fillings from the Pennsylvanian to Cisuralian Taiyuan Formation of North China. Testing points of elements using EDS on spheroids and on smooth calcite crystals are marked out with numbers 1 and 2, respectively. Sampling localities are shown in Fig. 2 ac Smooth spheroids, with (a) from JL7, and (b) and (c) from FL1; df Spheroids with tiny thorns, with (d) from JL4, (e) from JL8, and (f) from FL7; gj Spheroids with a finely granulated surface, with (g) to (i) from JL4, and (j) from JL2; k Spheroids with a flocculent surface (white arrows), from FL3; l Spheroids with a vermiform surface, from FL3

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