44: From the Abyss

Bedrock: Earth's Earliest History

What is the world's oldest slice of mantle, and how did it reach the surface?

Today, we'll meet the first tangible piece of the world below the crust, a world humans still have not visited. Along the way, we'll meet an old mineral friend from Season 1, a researcher named Friend, and learn how diamonds can be a geologist's best friend when looking for slices of the mantle.

Extra Credit: Clean your bathtub, or call an old friend.

Donate to support the show- anything is appreciated!

More description

What is the world's oldest slice of mantle, and how did it reach the surface?

Today, we'll meet the first tangible piece of the world below the crust, a world humans still have not visited. Along the way, we'll meet an old mineral friend from Season 1, a researcher named Friend, and learn how diamonds can be a geologist's best friend when looking for slices of the mantle.

Extra Credit: Clean your bathtub, or call an old friend.

Donate to support the show- anything is appreciated!

2025-08-27 24 min
Listen elsewhere

Available Results

Generated results are saved to your library for reuse and search.

No generated results are available for this episode yet.

Transcript

No transcript is available for this episode yet.
Sign in to generate a transcript for review.
Sign in

Chapters

No chapters available.