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Exploration and Evaluation Assets - Disclosure of cash payment and consideration shares issued (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 06, 2024 CAD ($) | Mar. 06, 2024 USD ($) | Mar. 27, 2024 USD ($) Shares | Jan. 18, 2024 CAD ($) | Jan. 18, 2024 USD ($) | Apr. 30, 2024 CAD ($) | Apr. 30, 2023 CAD ($)
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  | $ 0 | $ 6,396,000
Goanna Resources Sapi De Cv [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 3,075,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 5,555,555 |  |  |  |
Goanna Resources Sapi De Cv [Member] | Signing of nonbinding LOI [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets | $ 1,095,768 | $ 810,000 | $ 100,000 | $ 135,050 | $ 100,000 |  |
Goanna Resources Sapi De Cv [Member] | Signing of definitive agreement [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 0 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 257,937 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 3 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 150,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 476,190 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 6 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 275,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 535,714 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 9 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 225,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 595,238 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 12 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 350,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 714,286 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 15 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 300,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 833,333 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 18 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 375,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 952,381 |  |  |  |
Goanna Resources Sapi De Cv [Member] | 24 months from effective date [Member] |  |  |  |  |  |  |
Disclosure Of Exploration And Expenditure Assets [Line Items] |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  | $ 1,300,000 |  |  |  |
Number of instruments or interests issued or issuable | Shares |  |  | 1,190,476 |  |  |  |

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