Candor Chasma, Mars. Strata exposed in the great Vallis Marineris (much deeper than the Grand Canyon) include folded Ca- and Mg-sulfate deposits, which represent an early environmental record of Mars.
Banded Iron formation Hammersley Formation
Grand Canyon. Strata exposed in these walls, first stromatolite, 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.
Warawonna Stromatolites 3.4 Ga
Giant Ooids of the Johnnie Formation
John Abelson takes a rest on a 2.55 billion-year-old giant stromatolite, Nothern Cape Province, South Africa
A Strelley Pool Formation stromatolites. These stromatolites, discovered by Abby Allwood (JPL), provide strong evidence for the presence of early life on Earth, and are ~3.45 billion years old. They are located in the Pilbara craton of Western Australia.
Thrombolite-Stromatolite Reef, Nama Group
Field Work: Measuring sectionsin the Edicaran-age Huqf Supergroup, along the coastline of the Sultanate of Oman.
Glacial dropstone formation Oman
Ediacarn fossils Mistaken Point Newfoundland
Stromatolites with chert laminations from the Late Archean (ca. 2.55 Ga) Malmani carbonate plateform, South Africa