Proterozoic

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Areverse fault in Proterozoic rocks along the Grinnell Glacier trail inGlacier National Park (Montan

Paleozoicsedimentary rocks at Red Rock in New South Wales (Australia).ThePaleozoic Era began 543 mil

Modernstromatolites growing in Shark Bay (Western Australia).Stromatolitesare sedimentary rocks form

The Bitter Springs Chert FormationThe Bitter Springs chert formation is located at the North East of

Gneissfrom the Joshimath Formation at Jyotirmath (Uttarakhand, India).Thisgneiss is from the Protero

Grypaniaspiralis found in Michigan (USA) from 2.11 – 1.874 billion yearsago.Theseprehistoric fossils

Archaean-erarocks near Tirumala in Andhra Pradesh (India).TheArchaean follows on from the Hadean as

First manganese, then the world!The rocks you see here being sampled by Caltech grad student Jena Jo

Missing half billion The first evidence of widespread oxygen in the atmosphere occurs in rocks that

Dickinsonia – Late Ediacaran (558-555 Ma)I may have been a little too quick to declare the end

Charnia – Ediacaran (579-555 Ma)I know what you’re thinking. One, this blog is supposed

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