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What may be world's oldest fossils are found in Greenland
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Newspaper Article
What may be world's oldest fossils are found in Greenland
2016
Overview
\"Of course one felt very excited, but we're not the rushing types, and we took our time,\" Dr. [Allen P. Nutman] said. \"We kept it secret because we wanted to present it in the most robust way we could manage.\" Dr. Nutman said there was a \"diminishing probability\" that older fossils will ever be found. Rocks from this period are very rare. Those that survive have been cooked to such high heats by geological processes like mountain-forming that evidence of fossils and sedimentary layers is destroyed. Most of the [Isua] rocks have been cooked in this way. Certain features \"are fairly credible hallmarks of microbial activity,\" Abigail C. Allwood of the California Institute of Technology's Jet Propulsion Laboratory wrote in a commentary accompanying the article. They have a few features that make them \"interesting and possibly biological,\" she added in an email.
Publisher
New York Times Company
Subject
