Scientists have found small pockets of seawater that have been trapped in rock for some 390 million years, a discovery that could significantly deepen our understanding of how oceans evolve and adapt to changing climate conditions.
in size, with trilobite-like creatures and the earliest types of horseshoe crabs making their underwater home here.
It's not uncommon for minerals and gems to harbor trapped liquids, but they can rarely be analyzed on a nanoscale like this. Rock salt or halite is usually required for discoveries of this type, but the scientists have now demonstrated a similar technique for pyrite, which is much more abundant. Through the continuing study of these mineral deposits, the researchers intend to learn more about how the ocean handled rising temperatures, which should give an indication of how a similar scenario might play out today.
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