Sri Lanka, 250 million years into Past and Future

250 million years ago was the Triassic period, the supercontinent Pangea, which roughly existed upto the Jurassic (Image 1,2). I like how Sri Lanka was just sandwiched between Antarctica, Mozambique, Madagascar, and Kerala.

It's interesting to think that during this age of the dinosaurs, one would be able to walk from what at present are; Matara/Hambanthota/Galle to 'Norwegian' Antarctica, Kalutara/Colombo to Mozambique, Mannar/Kilinocci/Jaffna to Madagascar, and Batticaloa/Trincomalee to Kerala. I couldn't find anything about the fauna of SL in this period.. which is not cool.. there must've been all sorts of animals roaming around, but the very limited fossil records just have to offer ferns. Bruh. Also Triassic 'SL' was soo south of the equator, so must've experienced seasons too. Snow? I don't have sources.




There r 4 major models on the future continents 250 million years into the future. The most popular online, but seemingly the second most likely is the Pangea Proxima/Ultima (images 4,5,6,7). Now, if this does happen it would he cool because South Asia hasn't changed much at all.





If this model holds true, SL would be roughly the same island in this internal landlocked ocean for many millions of years 😯.. so unchanged and stable. With squeezing the Palk Straight might dissapear, making SL continous with India, but overall.. that's still very unchanged from everything else going around. Rlly cool.


Achinthya Nanayakkara

22.03.2025


Posted above to r/srilanka as u/The_Cosmic_Learner: 


Sources:

https://youtu.be/jbXCCXmJQBQsi=Z_cN97LmFA6HP_F2

https://youtu.be/a3-keyvvJhI?si=-1HHcfHM0Ur9DeIf

https://youtu.be/2It3ETk2MGA?si=OqgmNtv3pFtvGL2F

https://youtu.be/bQywDr-btz4?si=XgYZ25ITiZSNJKgT

Pangea modern borders - dk OP, all over reddit https://images.app.goo.gl/CrLaYWjcVcstg1nv8 

Natural History Museum, Colombo

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