Early diagenetic chert serves as a critical archive of life on Earth. yet the mechanisms of chert formation and diagenesis remain uncertain. The present research deciphers chert formation and recrystallization through petrographic observations of Proterozoic microfossiliferous chert and explores its relationship to microfossil preservation. Petrographic analyses reveal that the primar... https://parisnaturalfoodes.shop/product-category/baby-mid-castile-bar/