Great Oxidation Event
To browse Academia. Skip to main content. Log In Sign Up.
The currently favored dating of the Great Oxidation Event is based on the geochemical rock record. Dating the rise of atmospheric oxygen.
Suggestions or feedback? Images for download on the MIT News office website are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to size. A credit line must be used when reproducing images; if one is not provided below, credit the images to “MIT.
Previous image Next image. Today, 21 percent of the air we breathe is made up of molecular oxygen. When, then, did oxygen first accumulate in the atmosphere? MIT scientists now have an answer. The scientists have also determined that this initial rise in atmospheric oxygen, although small, took place within just 1 to 10 million years and set off a cascade of events that would ultimately lead to the advent of multicellular life.
Do you want to find a sex partner? It is very easy. Click here, registration is free!