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File:Oxygenation-atm.svg

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Description
English: Estimated evolution of atmospheric \ P_{{O_{{2}}}}. The upper red and lower green lines represent the range of the estimates. The stages are: stage 1 (3.85–2.45Gyr ago (Ga)), stage 2 (2.45–1.85Ga), stage 3 (1.85–0.85Ga), Stage 4 (0.85–0.54Ga )and stage 5 (0.54Ga–present)
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Date 29 June 2006
Source File:Oxygenation-atm.png
Author Heinrich D. Holland
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( Reusing this file)

I hereby grant Wikipedia the license under GFDL to use Figure 10 of my recent paper on the oxygenation of the atmosphere and oceans.

Converted to SVG from the original file, File:Oxygenation-atm.png.

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