Skip to main content
Journal of Palaeogeography
Fig. 6 | Journal of Palaeogeography

Fig. 6

From: Sedimentary characteristics of microbialites influenced by volcanic eruption: a case study from the Lower Cretaceous Shipu Group in Zhejiang Province, East China

Fig. 6

a Field meso-photo showing colonial serpulid tubes; b Modern serpulids: their tubes are calcareous but their tentacles cannot be calcified and preserved after they die (photograph from the internet); c A hand specimen showing colonial serpulid tubes. Every dark circle is the micritic wall of a serpulid tube; d Photomicrograph showing micritic walls of serpulid (SP) tubes. The inner parts of the serpulid tubes have been infilled by sparry calcite. 1.25×, plane-polarized light

Back to article page