Geobiology Photos

 

Stromatolites with chert laminations from the Late Archean
 
Late Archean banded iron formation from drill core taken
(ca. 2.55 Ga) Malmani carbonate plateform, South Africa
 
near Griquatown, South Africa
     
     
 
A Strelley Pool Formation stromatolites. These stromatolites, discovered by
 
Field Work: Measuring sectionsin the Edicaran-age Huqf
Abby Allwood (JPL), provide strong evidence for the presence of early life on
 
Supergroup, along the coastline of the Sultanate of Oman.
Earth, and are ~3.45 billion years old. They are located in the Pilbara craton of Western Australia.
   
     
     
 
John Abelson takes a rest on a 2.55 billion-year-old giant stromatolite,
 
Grand Canyon. Strata exposed in these walls, first
Nothern Cape Province, South Africa
 
examined by John Wesley Powell, still constitute one
   
of the most impressive records of the evolution
   
of life on earth.