April 26, 1986, Reactor 4 at the Wladimir Iljitsch Lenin #Atomic Power Station near the city of #Chernobyl , #Ukraine, experiences a catastrophic core meltdown - the resulting radioactive lava was named Corium - and it is still there 🌋☢️

https://tinyurl.com/2v66sdm4

Chernobyl’s Reactor Meltdown Formed Earth’s Most Dangerous Lava

35 years ago, during the catastrophic reactor core meltdown at the Chernobyl Nuclear Power Station, a dangerously radioactive variety of lava, named corium, formed.

Forbes

@History_of_Geology

Is that melted cement?