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Geoscientists document 300 million year old atmospheric dust

December 26, 2019 - General

Dust plays a crucial role in the life and health of our planet. In our modern world, dust-borne nutrients traveling in great dust storms from the Saharan Desert fertilize the soil in the Amazon Rainforest and feed photosynthetic organisms like algae in the Atlantic Ocean. In turn, it is those organisms that breathe in carbon dioxide and expel oxygen.

This specimen of rock consists almost entirely of fossilized cyanobacteria that once…

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Source: archeo

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