There might be a quadrillion tons of diamonds 100 miles below Earth’s surface. But the farthest we’ve traveled is 7 miles down, so how could we know that?
- Sources:
Multidisciplinary Constraints on the Abundance of Diamond and Eclogite in the Cratonic Lithosphere
Diamondiferous garnet harzburgites from the Finsch kimberlite, Northern Cape, South Africa
Earthquakes and the Earth's internal structure
Understanding Earth’s interior
How we know what lies at Earth’s core
Diamonds Unearthed
Seismic waves
Most diamonds share a common origin story
Metastability of diamond ramp-compressed to 2 terapascals
Rare Diamond Confirms That Earth's Mantle Holds an Ocean's Worth of Water
Diamonds show depth extent of Earth's carbon cycle
A quadrillion tons of diamonds lurk deep within Earth
Hope diamond formed stunningly close to Earth's core
Earth’s layers
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