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Fig. 3 | Journal of Palaeogeography

Fig. 3

From: Sedimentology of reefal buildups of the Xiannüdong Formation (Cambrian Series 2), SW China

Fig. 3

a Field photo of the flat-pebble conglomerate in Tangjiahe site. Pebbles (P) are arranged in approximately parallel layers, and their long-axis orientations are random. Matrix (M) between pebbles consists of silty/sandy micrite (details shown in Fig. 4a); b Tracing of (a). P Pebble; M Matrix; c The field photo of silty/sandy micrite bed. Laminae of silty/sandy micrite are mostly horizontal, but pervasive pressure solution prevents recognition of original sedimentary structures; d Field photo of oolite in Tangjiahe site, which is characterized by cross-bedding

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