Related Party Transactions (Detail) (USD $)	12 Months Ended
	Jan. 31, 2013	Jan. 31, 2011
Minex Exploration [Member]
Mining Claims, Maintenance Services Cost	$ 51,359	$ 86,358
CEO and Director [Member] | Director's Fees [Member]
Due to Related Parties	21,500
CEO and Director [Member] | Accrued Benefits [Member]
Due to Related Parties	1,154
CEO and Director [Member] | Expense Reimbursements [Member]
Due to Related Parties	14,290
CEO and Director [Member]
Due to Related Parties	$ 36,944