Boing Boing

Boing Boing

Lake Clifton in Western Australia is home to living fossils called thrombolites

Popkin
Nov 12, 2025
∙ Paid

By SeanMack - Own work, CC BY 3.0, Link

Today I learned about the wonder of thrombolites from Atlas Obscura. Thrombolites are ancient, living fossils. These fascinating rock-like structures are built by microscopic organisms, mainly cyanobacteria (also known as blue-green algae). These microbes trap sediment particles together to form solid, dome-shaped …

Keep reading with a 7-day free trial

Subscribe to Boing Boing to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
Popkin's avatar
A guest post by
Popkin
Boing Boing contributor
Subscribe to Popkin
© 2025 Happy Mutants LLC · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture