4. MINERAL PROPERTIES AND EXPLORATION COSTS: Schedule Of Mineral Property Acquisition Costs Capitalized On The Consolidated Balance Sheets (Details) - USD ($)	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Ures Property
Mineral property costs	$ 0	$ 0	$ 0
Payments	0	0
Payments	0	0
Property Capitalized On Consolidated Balance Sheets, Impairment	0	0
Santa Elena Mine
Mineral property costs	0	505,947	505,947
Payments	0	0
Payments	0	0
Property Capitalized On Consolidated Balance Sheets, Impairment	(505,947)	0
San Felix Project
Mineral property costs	0	0	0
Payments	0	0
Payments	0	0
Property Capitalized On Consolidated Balance Sheets, Impairment	0	0
Project Mabel
Mineral property costs	0	324,000	324,000
Payments	0	0
Payments	0	0
Property Capitalized On Consolidated Balance Sheets, Impairment	(324,000)	0
Mineral property costs	0	829,947	$ 829,947
Payments	0	0
Payments	0	0
Property Capitalized On Consolidated Balance Sheets, Impairment	$ (829,947)	$ 0