Note that the compilers are still accepting comments on the overall content of
Walker, J.D., Geissman, J.W., Bowring, S.A., and Babcock, L.E., compilers, 2012,
LOADING... THE STORY OF A.
Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5- billion-year history. A lot has happened in that time. Earth formed and oxygen levels ...
Time (Myr ago), Event. 4600, Formation of the approximately homogeneous solid Earth by planetesimal accretion. 4300, Melting of the Earth due to radioactive ...