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Study Finds Drastic Fluctuations in Atmospheric Oxygen After its Early Appearance


Study Finds Drastic Fluctuations in Atmospheric Oxygen After its Early Appearance
Written by AZoCleantechApr 6 2021
A new study reveals that the permanent increase in oxygen in the Earth’s atmosphere, which enabled the emergence of life as it is known, occurred 100 million years later than considered earlier.
Biogeochemist Simon Poulton, left, sprays water on drill core to see sedimentary rocks and select samples for research. Image Credit: Andrey Bekker/UCR.
A major increase in oxygen happened nearly 2.43 billion years ago, which marked the beginning of the Great Oxidation Episode a crucial moment in Earth’s history.
An international team of scientists, including a researcher from UC Riverside, investigated rocks from South Africa formed at the time of this event. ....

South Africa , Biogeochemist Simon Poulton , Andrey Bekker , Simon Poulton , Leeds University , Great Oxidation Episode , Paleoproterozoc Era , சிமோன் பௌல்டந் , லீட்ஸ் பல்கலைக்கழகம் , நன்று ஆக்ஸைடேஶந் அத்தியாயம் ,

Rise of oxygen on Earth: Initial estimates off by 100 million years


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IMAGE: Research team leader sprays water on drill cores to see sedimentary rocks and select samples for this study.
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Credit: Andrey Bekker/UCR
New research shows the permanent rise of oxygen in our atmosphere, which set the stage for life as we know it, happened 100 million years later than previously thought.
A significant rise in oxygen occurred about 2.43 billion years ago, marking the start of the Great Oxidation Episode a pivotal moment in Earth s history. 
An international research team including a UC Riverside scientist analyzed rocks from South Africa formed during this event. Findings, published this week in the journal ....

South Africa , Andrey Bekker , Simon Poulton , Leeds University , Great Oxidation , Paleoproterozoc Era , Great Oxidation Episode , Atmospheric Science , Atmospheric Chemistry , Climate Science , Temperature Dependent Phenomena , Earth Science , Geology Soil , Climate Change , சிமோன் பௌல்டந் , லீட்ஸ் பல்கலைக்கழகம் , நன்று ஆக்ஸைடேஶந் , நன்று ஆக்ஸைடேஶந் அத்தியாயம் , வளிமண்டலம் அறிவியல் , வளிமண்டலம் வேதியியல் , காலநிலை அறிவியல் , வெப்ப நிலை சார்ந்தது நிகழ்வுகள் , பூமி அறிவியல் , புவியியல் மண் , காலநிலை மாற்றம் ,