Several billion years ago, the oceans were probably not as hot as often assumed, but were instead at much more moderate temperatures. This is the conclusion of a research team from the University of ...
A team of scientists including Carnegie's Dina Bower and Andrew Steele weigh in on whether microstructures found in 3.46 billion-year-old samples of a silica-rich rock called chert found in Western ...
Location of the sedimentary rocks – known as cherts – that were investigated: Shatsky Rise in the northern West Pacific is the world's third-largest oceanic plateau ...
The Pilbara region of Western Australia is home to one of the most ancient surviving pieces of Earth’s crust, which has been geologically unchanged since its creation some 3.5 billion years ago. Some ...
L-1437 (Shell Rock Chert): Unknown collection procedure. Collection includes raw material, outer surface, surrounding matrix, archaeological specimens (?), modern flint-knappers' work, heat-treated ...
L-1166 (Onondaga Chert): Provenience includes roadcut. Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens. L-1166 (Onondaga Chert) Onondaga is also ...
A team of scientists have weighed in on whether microstructures found in 3.46-billion-year-old samples of a silica-rich rock called chert found in Western Australia are the planet's oldest fossils.
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