The Earth
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Notes
- Ancient Crystals Earth’s first continents may have emerged from the planet’s primordial oceans much earlier than we thought, just six hundred million years after the planet formed, new research suggests. The researchers found that ancient zircon crystals from the Jack Hills in Western Australia contain evidence of fresh water, which indicates that patches of land must have been present as fresh water can only form if there’s land for it to pool on following precipitation. Source