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Ostfriese · 06-04-23, 11:51 PM

Manganese nodules (which can be found on the seabed in deep ocean waters (>4,000m / 13,000 ft) are radioactive, often enough more radioactive than uranium ore.
They contain thorium, protactinium and radon, all products of the decay of uranium-238.

06-04-23, 11:51 PM	#2628
Ostfriese Ace of the Deep Join Date: May 2004 Location: Northern Germany Posts: 1,174 Downloads: 0 Uploads: 0	Manganese nodules (which can be found on the seabed in deep ocean waters (>4,000m / 13,000 ft) are radioactive, often enough more radioactive than uranium ore. They contain thorium, protactinium and radon, all products of the decay of uranium-238.