The influence of syngenetic hydrothermal silica fluid on organic matter preservation in lower Cambrian Niutitang Formation, South China

Early Cambrian shale-chert couplets are widely distributed in South China, within which abundant organisms have been detected. Cherts in early Cambrian are known to be influenced by hydrothermal activity. However, the influence of syngenetic hydrothermal activity on organism preservation has not yet been well evaluated. Litho-, chemo- and bio-stratigraphic data have documented that the syngenetic hydrothermal silica fluid activity from the Majiang-Yangtiao section of the early Cambrian Niutitang Formation in Guizhou province, SW China.