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Mineral Property - Investment in Mineral Property (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Like project (Alaska)
Exploration	$ 15,611	$ 15,611
La Promesa (Peru)
Exploration	6	6
Montana Royalty property (US)
Exploration		$ 40

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- Definition

Costs incurred for mineral properties exploration

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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