4. MINERAL PROPERTY COMMITMENTS - RELATED PARTY (Detail) - Work Commitment (USD $)	Jul. 26, 2017	Feb. 20, 2017	Oct. 23, 2016
First Lease Year	$ 5,000	$ 5,000	$ 5,000
Second Lease Year	10,000	25,000	25,000
Third Lease Year	25,000	50,000	50,000
Fourth Lease Year	50,000	75,000	75,000
Fifth Lease Year and thereafter	$ 100,000	$ 100,000	$ 100,000

Amount of contractual obligation maturing after the fifth fiscal year following the latest fiscal year.

No definition available.

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Amount of contractual obligation maturing in the fourth fiscal year following the latest fiscal year.

No definition available.

Name:	us-gaap_ContractualObligationDueInFourthYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation maturing in the next fiscal year following the latest fiscal year.

No definition available.

Name:	us-gaap_ContractualObligationDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation maturing in the second fiscal year following the latest fiscal year.

No definition available.

Name:	us-gaap_ContractualObligationDueInSecondYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of contractual obligation maturing in the third fiscal year following the latest fiscal year.

No definition available.

Name:	us-gaap_ContractualObligationDueInThirdYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant