Researchers have identified a surprising concentration of beryllium-10 isotopes beneath the Pacific Ocean, which may signal historical shifts in ocean currents or cosmic ray interactions. Dated to approximately ten million years ago, this find is significant for geological studies, as beryllium-10 can track older samples than traditional methods like radiocarbon dating. The international research team aims to utilize this discovery as an independent time marker to enhance understanding of marine archives and the evolution of Earth's crust over geological time scales.
As detailed in our investigation, we found nearly double the amount of beryllium-10 that we expected, indicating significant historical processes affecting the Pacific Ocean's strata.
This beryllium-10 accumulation can serve as an independent time marker, allowing us to better assess marine archives and the geological evolution of the Earth.
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