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X: The Unknown | Hammer 1956 | Dean Jagger, Leo McKern - The Viewer's Guide to British Film 1930-1990
When troops practice locating fallout in a remote Scottish quarry, an apparently bottomless fissure opens in the Earth, critically injuring a soldier with radioactive burns. As radioactive goo oozes forth, destroying everyone in its path, scientist Adam Roysten (Jagger) formulates a theory that the living mass, dormant for millennia, now seeks fresh radioactive energy ("energy …