v3.26.1
Material Accounting Policies (Tables)
12 Months Ended
Apr. 30, 2026
Significant accounting policies [Abstract]  
Disclosure of principal subsidiaries [Table Text Block]
Entity Principal activities

Country of

incorporation

and operation

Functional

currency

Ownership

interest as at

April 30,

2026

Ownership

interest as at

April 30, 2025(3)

Minera Canam S.A. de C.V. Exploring evaluating mineral properties Mexico USD 100% 100%
Goanna Resources, S.A.P.I. de C.V. (1) Exploring evaluating mineral properties Mexico USD 100% 100%
Sinaloa Minerals Explorations S.A. de C.V.(2) Exploring evaluating mineral properties Mexico USD 100% 0%
Panuco Silver Resources S.A. de C.V. (2) Exploring evaluating mineral properties Mexico USD 100% 0%
Plata Fuerte S.A. de C.V.(2) Exploring evaluating mineral properties Mexico USD 100% 0%
Disclosure of estimated useful life or depreciation rate [Table Text Block]

Computer equipment 3-4 years

Mining equipment 5-15 years

Vehicles 4 years