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Journal of Palaeogeography
Fig. 7 | Journal of Palaeogeography

Fig. 7

From: Late Tremadocian (Early Ordovician) reefs on the Yangtze Platform, South China, and their geobiological implications: a synthesis

Fig. 7

Photomicrographs of the lithistid sponge-microbial reefs in the Taiping and Huanghuachang sections. a Photomicrograph of the reefs in Taiping section, showing lithistid sponges (Sp) surrounded by microbial fabrics (M); b Photomicrograph of the reefs in the Huanghuachang section; note lithistid sponges (Sp) and microbial fabric (M) bounded with (dashed line) the infilling; c Detail of the box part in b showing filaments of Girvanella (as indicated by arrow heads); d Photomicrograph showing Calathium (Cal) and lithistid sponge (Sp) attached each other in the Huanghuachang reef

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