In the last 260 million years, dinosaurs came and went, Pangea split into the continents and islands we see today, and humans have quickly and irreversibly changed the world we live in.
came and went, Pangea split into the continents and islands we see today, and humans have quickly and irreversibly changed the world we live in.But through all of that, it seems Earth has been keeping time. A recent study of ancient geological events suggests that our planet has a slow, steady 'heartbeat' of geological activity every 27 million years or so.
The team conducted an analysis on the ages of 89 well-understood geological events from the past 260 million years. "These events include times of marine and non-marine extinctions, major ocean-anoxic events, continental flood-basalt eruptions, sea-level fluctuations, global pulses of intraplate magmatism, and times of changes in seafloor-spreading rates and plate reorganizations,"
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