About: Shuram excursion

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The Shuram excursion, or Shuram-Wonoka excursion, is a change in δ13C, or in the ratio of carbon-13 to carbon-12, starting around 551 million years ago during the Ediacaran Period. It was first noticed in the in South Australia in 1990 and later in the in Oman in 1993. It is the largest negative δ13C excursion in Earth history, and recovery took 50 million years. It is not known what caused the excursion. It may have played a role in sparking the rise of animals that resulted later in the Cambrian explosion.

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  • The Shuram excursion, or Shuram-Wonoka excursion, is a change in δ13C, or in the ratio of carbon-13 to carbon-12, starting around 551 million years ago during the Ediacaran Period. It was first noticed in the in South Australia in 1990 and later in the in Oman in 1993. It is the largest negative δ13C excursion in Earth history, and recovery took 50 million years. It is not known what caused the excursion. It may have played a role in sparking the rise of animals that resulted later in the Cambrian explosion. (en)
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  • The Shuram excursion, or Shuram-Wonoka excursion, is a change in δ13C, or in the ratio of carbon-13 to carbon-12, starting around 551 million years ago during the Ediacaran Period. It was first noticed in the in South Australia in 1990 and later in the in Oman in 1993. It is the largest negative δ13C excursion in Earth history, and recovery took 50 million years. It is not known what caused the excursion. It may have played a role in sparking the rise of animals that resulted later in the Cambrian explosion. (en)
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  • Shuram excursion (en)
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