Sentences with phrase «ore deposits did»

Why hundreds of other uranium ore deposits did not become natural reactors is a mystery.

Not exact matches

And in waters off Papua New Guinea, a mining company analyzes metal deposits around inactive, underwater volcanoes that contain, on average, 10 times as much copper as typical ores on land do.
This is a noteworthy goal considering the fact that Japan doesn't have coal or iron ore deposits of any significance.
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