9. CONVERTIBLE PROMISSORY NOTE DERIVATIVE LIABILITY: Fair Value Measurements, Recurring and Nonrecurring (Details) - USD ($)	3 Months Ended				9 Months Ended		15 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Convertible promissory note derivative liabilities			$ 138,539		$ 138,539
Convertible promissory note derivative liabilities	$ 151,904				$ 151,904		$ 138,539
Convertible Promissory Note
Closing share price	$ 0.0058	$ 0.0169	$ 0.0285		$ 0.0058		$ 0.0257
Conversion Price			$ 0.0256
Risk free rate		0.05%					0.04%
Dividend yield	0.00%	0.00%	0.00%		0.00%		0.00%
Convertible promissory note derivative liabilities	$ 163,070		$ 138,539	$ 214,742	$ 138,539	$ 486,663
Initial Value	36,673			71,384	178,652	363,750
Increase (Decrease) in Fair Value	(47,839)			(112,846)	(165,287)	(677,133)
Convertible promissory note derivative liabilities	$ 151,904	$ 163,070		$ 173,280	$ 151,904	$ 173,280	$ 138,539
Convertible Promissory Note \| Minimum
Conversion Price	$ 0.0044	$ 0.013			$ 0.0044		$ 0.0233
Risk free rate	0.06%		0.05%
Expected Volatility	109.00%	94.00%	103.00%				136.00%
Expected life (years)	3 months	1 month 9 days	6 months				4 months 9 days
Convertible Promissory Note \| Maximum
Conversion Price	$ 0.0045	$ 0.0142			$ 0.0045		$ 0.0234
Risk free rate	0.39%		0.07%
Expected Volatility	120.00%	153.00%	117.00%				161.00%
Expected life (years)	11 months 8 days	11 months 15 days	10 months 17 days				9 months 21 days

Mexus Gold US 10-Q