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Eldorado

How early life survived Snowball Earth

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Eldorado

"How did life survive the most severe ice age?

"A McGill University-led research team has found the first direct evidence that glacial meltwater provided a crucial lifeline to eukaryotes during Snowball Earth, when the oceans were cut off from life-giving oxygen, answering a question puzzling scientists for years.

"In a new study published in the Proceedings of the National Academy of Sciences of the United States of America, researchers studied iron-rich rocks left behind by glacial deposits in Australia, Namibia, and California to get a window into the environmental conditions during the ice age.

"Using geological maps and clues from locals, they hiked to rock outcrops, navigating challenging trails to track down the rock formations."

Full article at McGill Uni: https://www.mcgill.ca/newsroom/channels/news/mcgill-led-research-unravels-mystery-how-early-animals-survived-ice-age-303012

 

"Subglacial meltwater supported aerobic marine habitats during Snowball Earth"

Research abstract at PNAS: https://www.pnas.org/content/early/2019/11/26/1909165116

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The Eternal Flame

Whe will probably never know what triggered the ice age as whe know... i like the term Snowball Earth ...

Edited by The Eternal Flame
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