MINERAL PROPERTIES IN THE UNITED STATES (Details) |
12 Months Ended |
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Dec. 31, 2019
a
Claim
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| Mineral Industries Disclosures [Abstract] | |
| Number of patented mining claims in which PEVM has undivided interest | 48 |
| Number of unpatented mining claims in which PEVM has undivided interest | 5 |
| Area under patented and unpatented mining claims | a | 1,500 |
| Period when the property is unused | 35 years |
| X | ||||||||||
- Definition The area under patented and unpatented mining claims in which subsidiary has an undivided interest. No definition available.
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| X | ||||||||||
- Definition The period when the property is commercially unused due to lack of capital, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition The number of patented mining claims in which subsidiary of entity has an undivided interest. No definition available.
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| X | ||||||||||
- Definition The number of unpatented mining claims in which the subsidiary of the entity has undivided interest. No definition available.
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| X | ||||||||||
- References No definition available.
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