Ancient Moroccan Stromatolite fossil up to 3 Billion years old

Moroccan stromatolite fossil well preserved in a nice red sandstone believed to be from Kem Kem beds and date from the cretaceous period. These microbial fossils are one of Earth's earliest records of life. The earliest known stromatolite fossils are between 3.5 - 2.75 billion years old in the Precambrian period. The blue-green algae in these early colonies were important in creating Earth's current oxygen atmosphere. Size 6" by 7" and weighs 4.4 pounds Please note we cancel listings up to 2 days early due to eCRATER's Good Till canceled relisting policy. if you want to make a last minute offer do it 2 days before scheduled end of the listing. We do not let them expire on schedule as we like to relist at our discretion.