Sentences with phrase «in ancient rocks»

Understanding the spatial distribution of chemical features preserved in ancient rocks is key to determining whether or not they were formed by life.

Their prediction is based on a new method of interpreting data from magnetic traces found in ancient rock samples.

Microscopic fossil burrows found in ancient rocks reveal that small worm - like animals existed more than half a billion years ago

The scientists found ripple patterns in ancient rocks that are slightly smaller than the ones found across the planet today.

«Because clay minerals make up the bulk of sediment deposited today, we are saying that it should be largely absent in ancient rocks.»

Molecular signatures in ancient rocks show the microorganisms may have existed on Earth around 3.5 billion years ago, producing some of the greenhouse gases needed to stabilise the early Earth's climate.

Geophysicists have traced the process back to early in Earth's history by measuring magnetic fields in ancient rocks, and some have attempted to extrapolate from the present motion of the plates the likely shape of the next supercontinent.

Wignall says that is because acidification is so hard to study in ancient rocks.

«The Mars Exploration Rover Opportunity found ample evidence for water in ancient rocks at Meridiani Planum, but the rovers» instruments can't detect organic materials.»

LONDON, 14 May, 2018 — There is now firm evidence in the ancient rocks of planetary climate influence — a climate cycle that lasts for 405,000 years.

So if — big if — life ever arose on Mars, not only could we find out, yeah, there is life somewhere else in the solar system, but the record of how that miracle occurred would still be preserved in these ancient rocks.