Ontario
Main government body is: Ministry of mines: https://www.ontario.ca/page/ministry-mines
Here is a summary of mining tenure in Ontario: https://www.lexology.com/library/detail.aspx?g=30e8ce56-05a5-488c-b683-6d0993f35707
A useful glossary: https://www.geologyontario.mndm.gov.on.ca/mines/lands/mining-sequence/glossary_glossaire.pdf
There is a mining act awareness program (training) here: https://www.ontario.ca/page/mining-act#section-4