Diary (December 12, 2020): Difference between revisions
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== Diary == | == Diary == | ||
=== Boring Billion === | |||
The Boring Billion, otherwise known as the Barren Billion, the Dullest Time in Earth's History, and Earth's Middle Ages, is the time period between 1.8 and 0.8 billion years ago (Gya) spanning the middle Proterozoic eon, characterized by more or less tectonic stability, climatic stasis, and stalled biological evolution. It is bordered by two different oxygenation and glacial events, but the Boring Billion itself had very low oxygen levels and no evidence of glaciation. | |||
* [https://en.wikipedia.org/wiki/Boring_Billion Boring Billion] @ Wikipedia | |||
=== A parade of Fortean mystery === | === A parade of Fortean mystery === | ||
Revision as of 08:52, 12 December 2020
Online diary of Karl Jones for Saturday December 12, 2020.
Previous: Diary (December 11, 2020) - Next: Diary (December 13, 2020)
Diary
Boring Billion
The Boring Billion, otherwise known as the Barren Billion, the Dullest Time in Earth's History, and Earth's Middle Ages, is the time period between 1.8 and 0.8 billion years ago (Gya) spanning the middle Proterozoic eon, characterized by more or less tectonic stability, climatic stasis, and stalled biological evolution. It is bordered by two different oxygenation and glacial events, but the Boring Billion itself had very low oxygen levels and no evidence of glaciation.
- Boring Billion @ Wikipedia
A parade of Fortean mystery
My life is not a parade of Fortean mystery.