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A new way of dating rocks

Scientists have developed a new technique which allows them to precisely date ancient volcanic rocks by analysing the composition of minerals inside them.

By aligning rocks that have a similar age and orientation, the early landmasses can be pieced together.

This will aid the discovery of rocks rich in ore and oil deposits, say the scientists. The approach has already shown that Canada once bordered Zimbabwe, helping the mining industry identify new areas for exploration.

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