Stromatolite

Name: Stromatolite
Age: 1 billion years ago
Place: SoCheong-Do, Incheon

Stromatolite, the oldest record of fossils in Korean peninsula Stromatolite of about a billion years ago has been found in the strata of Precambrian era in Socheongdo, Ongjin-gun, Incheon-si. Stromatolite is a deposit structure of biological origin formed by photosynthesis of blue-green algae, and the stromatolite of Socheong-do has the shape of cylinder or plate, and discovered along with mud crack and the trace of rain. This means that the environment of the time when the stromatolite is formed is shallow and warm sea environment. "