chemical fossils


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chemical fossils

[¦kem·i·kəl ′fäs·əlz]
(geology)
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A new analysis of ancient chemical fossils has rocked the cradle of early animal evolution, bumping back compelling evidence of animal life to at least 635 million years ago.
Chemical fossils dating back at least635 million years may be the earliest evidence of complex animal life.
Geoffrey Eglinton (University of Bristol, United Kingdom) for his studies of organic chemical fossils, which reveal the climates of ancient worlds and the implications for tomorrow.
Eglinton pioneered modern investigations of chemical fossils in sedimentary rocks, providing tools that expanded knowledge about Earth's earliest life forms, ancient ocean temperatures, environmental changes on continents, and other details about our planet and its history.
Geoffrey Eglinton, Professor of Earth Sciences, University of Bristol, United Kingdom - Eglinton studies organic chemical fossils and the mechanisms by which their products yield essential resources for the future.
The potential to find key evidence indicative of life-biofabrics, microbial remains, chemical fossils in minerals-is high when sedimentary deposits form from hydrothermal fluids.