Are We Standing on a Quadrillion Tons of Diamonds?

There might be a quadrillion tons of diamonds 100 miles below Earth’s surface. But the furthest we’ve traveled is 7 miles down, so how could we know that?

#diamonds #seismicwaves #earth

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The Chemical Origins of Life
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How Do We Know How Old the Earth Is?
https://youtu.be/7cFYPYaD4zQ

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Credits:
Executive Producers:
George Zaidan
Hilary Hudson

Producers:
Elaine Seward
Andrew Sobey
Darren Weaver

Writer/Host:
Sam Jones, PhD

Scientific consultants:
Michelle Boucher, PhD
Joshua Garber, PhD
Brianne Raccor, PhD
Suzette Timmerman, PhD
Sources:
Multidisciplinary Constraints on the Abundance of Diamond and Eclogite in the Cratonic Lithosphere
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018GC007534

Diamondiferous garnet harzburgites from the Finsch kimberlite, Northern Cape, South Africa
https://link.springer.com/article/10.1007/BF00310887

Earthquakes and the Earth’s internal structure
https://www.amnh.org/exhibitions/permanent/planet-earth/why-are-there-ocean-basins-continents-and-mountains/plate-tectonics/earthquakes-and-the-earth-s-internal-structure

Understanding Earth’s interior
https://courses.lumenlearning.com/geophysical/chapter/understanding-earths-interior/

How we know what lies at Earth’s core
http://www.bbc.com/earth/story/20150814-what-is-at-the-centre-of-earth

Diamonds Unearthed
https://www.smithsonianmag.com/science-nature/diamonds-unearthed-141629226/

Seismic waves
https://topex.ucsd.edu/es10/es10.1997/lectures/lecture20/secs.with.pics/node3.html

Most diamonds share a common origin story
https://www.sciencenews.org/article/most-diamonds-share-common-origin-story

Metastability of diamond ramp-compressed to 2 terapascals
https://www.nature.com/articles/s41586-020-03140-4.epdf?sharing_token=upSwbPHhx_HxaQigxdCP_9RgN0jAjWel9jnR3ZoTv0M6LLrOYqAnbf2oqumzx__KT0aNTBUaZAyxpwikI8fH8pWQKL31NAilWtIQa2CU2p7tECnWhK7W3i6RStSb1HezJFrEgMYD1ziBITScJT58aYC1vYaIQ0AmyInnUoPah7E9xjJ5km11mT07PmUF2VP4z2YV_Dok9BXJsEXxIern0HCnpDJYN0PfXbGXhxmjHqU&tracking_referrer=www.sciencenews.org

Rare Diamond Confirms That Earth’s Mantle Holds an Ocean’s Worth of Water
https://www.scientificamerican.com/article/rare-diamond-confirms-that-earths-mantle-holds-an-oceans-worth-of-water/

Diamonds show depth extent of Earth’s carbon cycle
https://phys.org/news/2011-09-diamonds-depth-extent-earth-carbon.html

A quadrillion tons of diamonds lurk deep within Earth
https://www.nationalgeographic.com/science/article/news-earth-diamonds-gems-rare-minerals-earthquakes

Hope diamond formed stunningly close to Earth’s core
https://www.livescience.com/hope-cullinan-diamonds-deep-origins.html