Reposted by DrSadhbh
A circular, sea-polished, septarian nodule.
County Clare, Ireland.
Cormacscoast.com walking tours
DrSadhbh
@drsadhbh.bsky.social
336 followers 319 following 956 posts
Mother, geologist, cyclist, photographer, she/her / Lecturer: University of Galway / 'Sadhbh' rhymes with 'Five'
![Comic. [Person who looks like a wizard, dressed in robe with tall pointy hat and with long beard, standing in front of chart, proclaiming to another person.] PERSON 1: By gazing into my crystals of zircon, I have divined the date of the hour of fire marking the limit of this world’s existence. 4.54 billion years ago, the beginning was nigh! [caption] Geochronologists are just reverse prophets of doom.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreicrm7t53pq2gc4xz6stfdxawcwx7nyaxopgrfolf53wcvm45rpone)
![Comic. [2x2 chart. Top left quadrant: seem like dinosaurs x are dinosaurs. Silhouettes of dinosaurs stegosaurus, triceratops, tyrannosaurus, velociraptor, and long-neck dinosaur. Top right quadrant: seem like dinosaurs x are not dinosaurs. Silhouettes of mosasaur, quetzalcoatlus, dimetrodon, plesiosaur, and pteranodon. Bottom left quadrant: don’t seem like dinosaurs x are dinosaurs. Silhouettes of penguin, egret, ostrich, pigeon, falcon. Bottom right: don’t seem like dinosaurs x are not dinosaurs. Silhouettes of squirrel, stapler, plant, person, and bicycle.]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:cz73r7iyiqn26upot4jtjdhk/bafkreihcxd5wcrrf5nxz3g4riglsrccbucmdns6kxrtmtj6gjgwqibp3fi)
