Gloppy mats of microscopic life left the same signature on coastal and river bank sediments 3.48 billion years ago that they do today. Continue reading →
via Discovery News http://news.discovery.com/earth/oceans/rare-life-dating-back-3-5-billion-years-found-131113.htm#mkcpgn=rssnws1
via Discovery News http://news.discovery.com/earth/oceans/rare-life-dating-back-3-5-billion-years-found-131113.htm#mkcpgn=rssnws1
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