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Taylor Mitchell Brown

@tmitchellbrown.bsky.social

400 followers 73 following 165 posts

Science journalist covering archaeology, paleontology, and Earth science | Words for Science, National Geographic, New York Times, Scientific American, New Scientist, and more | Signal at tmitchellbrown.02 🧪🏺

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Taylor Mitchell Brown @tmitchellbrown.bsky.social · 13/07/2026

I’ve seen a lot of fine rocks in my day, but among my favorites are the 12.5-million-year-old intrusions at Torres del Paine, Chile. The younger, light-colored volcanic rock Oreo’d itself between the darker, 94-million-year-old sedimentary rock. #InternationalRockDay #Geology #Patagonia 📸: me

Mountain range in Torres del Paine, Chile behind a glacial lake and rocky foreground.

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Taylor Mitchell Brown @tmitchellbrown.bsky.social · 20/01/2026

Among these specimens is the 61-million-year-old Sequiwaimanu rosieae. It was reported in 2018 and excavated from the famous Waipara Greensand in Canterbury, New Zealand. These rocks hold the world’s first penguins, which evolved shortly after the asteroid that killed the dinosaurs. 📸 Gerald Mayr

Image of a 60-million-year-old fossil beak from a now-extinct species of penguin.

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Taylor Mitchell Brown @tmitchellbrown.bsky.social · 30/09/2025

Large stone fragment of a monumental building at Eleusis, Greece. The Ancient Greeks hosted a festival here every September to celebrate the return of Persephone to her mother Demeter, goddess of agriculture. 🧪🏺 The festival lasted until 395 CE. 📷: me #AncientGreece #EleusinianMysteries

Large stone fragment of a monumental building at Eleusis, Greece. The stone is engraved with depictions of wheat and blooming flowers.

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