#Stromatolites

Carly Lee

_Sackung

Kick back for a thread about Robert Smithson's #SpiralJetty It was commissioned by Robert in 1970 and it is 1500ft long from the shore. What isn't talked about, is the

Devayani

Geo_Sophist

Fossils are the dead remains/evidence of past organisms. Burrows, footprints & poo can also be preserved as #fossils.#India has a legacy of ancient marine creatures, dinosaur bones/eggs & rare hominin

Marcus Strom

strom_m

THREAD: What is @NASAPersevere rover looking for on #Mars? Rocks that could prove that oxygen-producing bacteria were once common on the Red Planet. On board are samples of similar rocks

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