2020 HowBadWasTheGreatOxidationEvent

• (Earth, 2020) ⇒ The Entire History of the Earth. (2020). “How Bad Was The Great Oxidation Event?.”

Subject Headings: Cretaceous-Paleogene, Permian Extinction, Huronian Glaciation.

Notes

• It describes the importance of rocks in understanding Earth's history and the timeline of major events.
• It describes the Cretaceous-Paleogene transition, marking the end of the dinosaur era and the beginning of a world dominated by mammals.
• It describes the Alvarez hypothesis, suggesting that an asteroid impact caused the mass extinction 66 million years ago.
• It describes the discovery of an iridium layer as evidence supporting the asteroid impact theory.
• It describes the Permian extinction, the most severe extinction event, caused by massive volcanic eruptions and climatic changes.
• It describes the Archaean period, focusing on the evolution of photosynthesis and the introduction of oxygen to Earth's atmosphere.
• It describes how the production of oxygen by early bacteria led to a significant extinction event, known as the oxygen catastrophe.
• It describes the formation of banded iron formations as geological records of the ancient oxygenation events.
• It describes the discovery of banded iron formations by William Burt, linking these formations to the oxygenation events.
• It describes the Huronian glaciation, an ice age triggered by the oxygen catastrophe, which further decimated life on Earth.
• It describes the innovation of photosynthesis and its impact on the environment, leading to the creation of oxygen and subsequent extinction events.
• It describes the resilience and adaptation of life forms in response to catastrophic events and changing environmental conditions.
• It concludes by summarizing the major points, emphasizing the long-term impacts of these ancient events on the evolution of life on Earth.

Cited By

• http://scholar.google.com/scholar?q=%222020%22+How+Bad+Was+The+Great+Oxidation+Event%3F

Quotes

Abstract

Researched and Written by Leila Battison.

Narrated and Edited by David Kelly.

Art by Khail Kupsky.

Thumbnail Art and Art by Ettore Mazza.

References

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	Author	volume	Date Value	title	type	journal	titleUrl	doi	note	year
2020 HowBadWasTheGreatOxidationEvent	The Entire History of the Earth			How Bad Was The Great Oxidation Event?						2020