Science
When using pyrite to understand Earth’s ocean and atmosphere: Think local, not global – Phys.org
The ocean floor is vast and varied, making up more than 70% of the Earth’s surface. Scientists have long used information from sediments at the bottom of the ocean—layers…
The ocean floor is vast and varied, making up more than 70% of the Earth’s surface. Scientists have long used information from sediments at the bottom of the oceanlayers of rock and microbial muckto reconstruct the conditions in oceans of the past.
These reconstructions are important for understanding how and when oxygen became available in Earth’s atmosphere and ultimately increased to the levels that support life as we know it today.
Yet reconstructions that rely on signals from sedimentary rocks…
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