The "Boring Billion"- What Really Happened 1.8 to 0.8 Billion Years Ago?
Offered By: GEO GIRL via YouTube
Course Description
Overview
Explore the intriguing period known as the "Boring Billion" in this comprehensive 28-minute video lecture. Delve into the geological, chemical, and biological events that occurred between 1.8 billion and 800 million years ago. Examine the life forms present during this era and investigate the factors that may have delayed biodiversification. Analyze the formation of the first supercontinent, the occurrence of snowball Earth, and the initial rise in molecular oxygen on our planet. Investigate the ocean chemistry of the time, particularly its sulfidic and anoxic nature, and compare it to the periods before and after. Discover the Great Oxidation Event (GOE) and Neoproterozoic Oxygenation Event (NOE). Evaluate whether the term "Boring Billion" accurately describes this fascinating period in Earth's history, and form your own opinion on this geological epoch.
Syllabus
Video Outline
What was the Boring Billion?
Life in the Boring Billion
What Delayed Biodiversification?
Geology of the Boring Billion
Oxygen in the Boring Billion
Oceanic Oxygen Oases
Nutrient Limitation
Anoxygenic Photosynthesis
Warm Despite Lack of CH4
After the Boring Billion
Was it really Boring?
References & Related Videos
Taught by
GEO GIRL
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