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Snowball Earth or Slushball Earths - Times Earth Was Covered in Ice

GEO GIRL via YouTube

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Overview

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This course examines the Makganyene, Sturtian, and Marinoan glaciations, explaining their causes, geological evidence, endings, and effects on climate and evolution. It introduces the case for “slushball” conditions and links these events to the evolution of eukaryotic and multicellular life.

Syllabus

Video outline
What is snowball earth?
When was snowball earth?
What caused snowball earth?
Evidence for snowball earth?
Glacial deposit evidence
Banded iron formation BIF evidence
Cap carbonate evidence
Carbon isotope evidence
Boron isotope evidence
Iridium evidence
Subsidence and flooding
Why did snowball earth end?
How snowball earth affected evolution?
Recap of snowball earth events
Bloopers!

Taught by

GEO GIRL

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