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Segmented Information - Schedule of Expenses and Mineral Property Carrying Values by Material Project (Details) - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Land Holding Costs	$ 519,582	$ 635,931
Mineral properties, net	48,860,386	46,460,386
Exploration Expenses
Segment Reporting Information [Line Items]
Exploration Expenses	4,222,612	5,373,699
Sleeper Gold Project
Segment Reporting Information [Line Items]
Land Holding Costs	409,837	423,876
Mineral properties, net	25,674,658	25,674,658
Sleeper Gold Project | Exploration Expenses
Segment Reporting Information [Line Items]
Exploration Expenses	761,296	557,631
Grassy Mountain Project
Segment Reporting Information [Line Items]
Land Holding Costs	109,745	212,055
Mineral properties, net	23,185,728	20,785,728
Grassy Mountain Project | Exploration Expenses
Segment Reporting Information [Line Items]
Exploration Expenses	$ 3,461,316	$ 4,816,068

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Land holding costs.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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- Definition

Mineral properties, net of adjustments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 360
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=96866604&loc=d3e64895-109465

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-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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