Questions tagged [radioactivity]

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Are hot springs in non-volcanic areas radioactive?

Hot springs in non-volcanic areas are attributed to the interaction of water with hot rocks deep in the earth's crust: In non-volcanic areas, the temperature of rocks within the Earth also ...
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Possible Effects of a Nuclear Reactor Breach in the Mediterranean

Double-barreled question which may not precisely belong here! Input nonetheless greatly appreciated. My question: To what extent would a nuclear reactor breach in the Mediterranean sea affect the ...
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How do people determine initial ratio of the parent nuclide and daughter product in radiometric dating?

I understand that we have zircon crystals that prevent entering or leaving of nuclide or lead after forming. But how cand we understand what was the initial ratio?