Sentences with phrase «suggesting ancient rocks»
Now the group has made a similar find in a second mine, suggesting ancient rocks could be riddled with such time capsules, right back to the early days of life on Earth.
https://www.newscientist.com/ Not exact matches
When they analysed the ancient tools, the team found changes in the rock suggesting they had been heated (Science, DOI: 10.1126 / science.1175028).
The rocks surrounding the preserved tissues didn't contain the carbon - rich compounds, further suggesting the chemical remnants stem from preserved soft tissues and not ancient sediments, the team reports online today in Nature.
«Rock exposed in World War I trenches offers new fossil find: Sea lily ancestors spent youth hitchhiking around ancient oceans, discovery suggests.»
«Ancient Earth may have made its own water: Rock circulating in mantle feeds world's oceans even today, evidence suggests.»
Common in Precambrian Shield rocks — the oldest rocks on Earth — the ancient waters have a chemistry similar to that found near deep sea vents, suggesting these waters can support microbes living in isolation from the surface.
Evidence from ancient rocks suggests that asteroids slammed into our planet around 3.3 billion years ago.
Hot magma deep within Earth may have heated carbon - rich rocks, releasing methane into the atmosphere and leading to an ancient warming event, scientists suggest.