Science · 3 views
Long-lived mineral grains can be invaluable for reconstructing impact events, but the stories are complex
Reconstructing impact events on Earth and other planetary bodies, including the moon, is crucial for understanding how the solar system evolved and how planets develop.
Summary
Reconstructing impact events on Earth and other planetary bodies, including the moon, is crucial for understanding how the solar system evolved and how planets develop. Ancient grains of minerals such as zircon can hold physical and chemical clues about the timing and energy levels of past impacts. But long-lived grains can go through a lot, geologically speaking, making it challenging for scientists to use the minerals to reconstruct past impacts.
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