Nuclear bombs set off new geological epoch in the 1950s, scientists say
When you buy through links on our site , we may earn an affiliate commission . Here ’s how it works . Nuclear weapon testing in the 1950s and early 1960s left the first obvious and unerasable marks of " consuming " human activity on Earth , and these effect may signal the beginning of a Modern geological epoch known as the Anthropocene , geologists say . side effect from these exam snow down from theatmosphereand became trapped in the earth as layers of sediment rich in a radioactive signifier of plutonium , called plutonium-239 ....