Menu

Meteorites reveal high carbon dioxide levels on early Earth

February 3, 2020 - General

Tiny meteorites no larger than grains of sand hold new clues about the atmosphere on ancient Earth, according to scientists.

Iron micrometeorites, like seen here under a microscope, can provide new clues about the composition
of the Earth’s upper atmosphere 2.7 billion years ago [Credit: Andrew Tomkins]Iron micrometeorites found in ancient soils suggest carbon dioxide made up 25 to 50 percent of Earth’s atmosphere 2.7 billion years…

[[ This is a content summary only. Visit my website for full links, other content, and more! ]]


Source: archeo

Leave a Reply

Your email address will not be published. Required fields are marked *