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SEGMENT AND RELATED INFORMATION: - Long Term Sales Contract (Details)	12 Months Ended
	Dec. 31, 2020 T
Copper cathodes | Mitsui
Long-term sales contract
Term of agreement	3 years
Quantity to be supplied related to additional annual contract from 2016 until 2019 (in tons)	48,000
Molybdenum concentrates | Molibdenos y Metales
Long-term sales contract
Minimum percentage of total production required to be supplied	70.00%
Molybdenum concentrates | Molymex
Long-term sales contract
Minimum percentage of total production required to be supplied	80.00%

X

- Definition

Represents the quantity of product agreed to be supplied under the additional annual contract from 2016 until 2019.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum percentage of the entity's total production of goods that must be supplied within the specified time period of the agreement.

+ References

No definition available.

+ Details

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- References

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- Definition

Represents the term of the agreement entered into.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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