Sentences with phrase «oldest microfossils»
The new research, published this week in Proceedings of the National Academy of Sciences, shows that structures once thought to be Earth's oldest microfossils do not compare with younger fossil candidates but have, instead, the character of peculiarly shaped minerals.
https://www.sciencedaily.com/
«In a nutshell, what we've found are the oldest microfossils on Earth,» says study coauthor Matthew Dodd, a...
The next oldest microfossils reported are just under 3.5 billion years old, though their validity has been debated (SN: 2/8/14, p. 16).
«In a nutshell, what we've found are the oldest microfossils on Earth,» says study coauthor Matthew Dodd, a biogeochemist at University College London.
«That Jeff's UV - B - blast experiment — somewhat of a calculated long shot — produced pollen abnormalities in a modern conifer similar to abnormalities observed in 252 - million - year old microfossils was one of the most exciting things I've seen this decade,» Duijnstee said.
Not exact matches
June 6, 2013 — Spindle - shaped inclusions in three - billion - year - old rocks are microfossils of plankton that probably inhabited the oceans around the globe during that time, according to an international team of researchers.
Microfossils of shrimp and amoebas around the marine reptile put the specimen at 199 million to 196 million years old.
Both of these Silurian microfossils are from the A1 - 61 well in Libya and are about 415 Ma old.
Studying dental plaque from a 1.2 million year old hominin (early human species), recovered by the Atapuerca Research Team in 2007 in Sima del Elefante in northern Spain, archaeologists extracted microfossils to find the earliest direct evidence of food eaten by early humans.
Four examples of microfossil - like artefacts (pseudofossils) from the 3.46 billion - year - old Apex chert.
The oldest known, microfossils of apparent sulfur - metabolizing bacteria were found in sandstone from an ancient beach that was dated back to around 3.43 billion years old, and some structures even appear to be dividing (more).