Why It Matters | Andhra rock questions conditions for life 2M years ago Premium
The Hindu
Scientists have found that a sea existing two million years ago had the right conditions for algae. It showed presence of light water instead of only heavy water
What are the facts: Two million years ago, a shallow inland sea could have had the right conditions for photosynthetic algae, dolomite deposits from Andhra Pradesh‘s Vempalli, in Cuddapah district, show. Published in Chemical Geology, the study has estimated the temperature and the composition of the sea that most likely would have existed two million years ago, in the Palaeoproterozoic era, when the earth’s atmosphere was being oxygenated. The temperature of the sea would have been around 20° C, according to estimates by the researchers, which is ideal for photosynthetic algae. The study also found that the sea contained light water, instead of the heavy water that was previously thought to have existed during this time.
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