NASC 130 Essentials3_ch12

235u is the most common nuclear fuel uranium has two

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Unformatted text preview: Rock: Energy & Mineral Resources Nuclear Power The geology of uranium Uranium occurs naturally in all rocks; amount varies Uranium dissolved from minerals is transported by water Uranium Dissolved uranium solidifies in mineral veins and fractures Dissolved Radiation detectors are used to find uranium Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Nuclear Problems Nuclear power expensive Loss of reactor control may start core “meltdown” Loss Molten reactor materials could bore through containment A steam explosion could then spread radioactivity Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Nuclear Problems Plant safety is a major concern Extensive efforts applied to thwart terrorism Extensive Nuclear accidents are rare but have occurred 1986 – Chernobyl (Ukraine) spread radioactivity globally 1979 – Three Mile Island (Pennsylvania, U.S.) 2011 – Fukushima (Japan) Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources The Chernobyl accident, 1986 The destroyed reactor was encased in a massive The concrete sarcophagus to contain leakage — but a new, larger sar...
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