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Oldest fossils of animals may be in Canada rocks, study says
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First sign of animal life on Earth may be a sponge fossil
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First Sign of Animal Life on Earth May Be a Sponge Fossil
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First sign of animal life on Earth may be a sponge fossil
CHRISTINA LARSON, AP Science Writer
July 28, 2021
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1of5This undated photo provided by Elizabeth Turner, Laurentian University, shows a field location in Northwest Territories, Canada. Canadian geologist Elizabeth Turner may have found the earliest fossil record of animal life on Earth in the area shown, according to a report published Wednesday, July 28, 2021, in the journal Nature. (Courtesy of Elizabeth Turner/Laurentian University via AP)APShow MoreShow Less
2of5This undated photo provided by Elizabeth Turner, Laurentian University, shows a field location in Northwest Territories, Canada. Canadian geologist Elizabeth Turner may have found the earliest fossil record of animal life on Earth in the area shown, according to a report published Wednesday, July 28, 2021, in the journal Nature. (Courtesy of Elizabeth Turner/Laurentian University via AP)APShow MoreShow Less
Oldest fossils of animals may be in Canada rocks, study says
Christina Larson
Washington – A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday in the journal Nature.
Around a billion years ago, a region of northwest Canada now defined by steep mountains was a prehistoric marine environment where the remains of ancient sponges may be preserved in mineral sediment, the paper says.
Geologist Elizabeth Turner discovered the rocks in a remote region of the Northwest Territories accessible only by helicopter, where she has been excavating since the 1980s. Thin sections of rock contain three-dimensional structures that resemble modern sponge skeletons.