financial support from the Major Basic Research Project of the Ministry of Science and Technology of China(Grant:2013CB835002);the Natural Science Foundation of China(Grants:41272036);the China Postdoctoral Science Foundation(Grant:2014M552481);the"Sanqin Scholarship"project of the Shaanxi Authority
Calcified biofiims are preserved as thin micritic coatings in the Cambrian oolitic limestone of two sections in North and South China. Standard petrographic examination revealed that the biofilms were developed during...