Gunflint microfossils: Quick Facts

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Photomicrographs of 2,000,000,000-year-old organisms from the geological stratum called the Gunflint Chert. These organisms are about 10 microns across. Organisms more than 1,000,000,000 years older

Photomicrographs of 2,000,000,000-year-old organisms from the geological stratum called the Gunflint Chert. These organisms are about 10 microns across. Organisms more than 1,000,000,000 years older

Photomicrographs of 2,000,000,000-year-old organisms from the geological stratum called the Gunflint Chert. These organisms are about 10 microns across. Organisms more than 1,000,000,000 years older

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