https://www.msn.com/en-us/money/other/russia-s-costly-grip-on-ukraine-s-resource-rich-ruins/ar-BB1rjYC0?ocid=msedgdhp&pc=DCTS&cvid=d3f7ccdf3d04440491414b92c4c4450d&ei=28

The Russians have seized over 80 percent of Ukraine's coal resources and 25 percent of its oil deposits, although they are unable to utilize most of these. If mining and production occur, it is only in territories occupied since 2014. Their scorched earth tactic has backfired.

 The military actions ongoing since 2014 have devastated the Donbas region, one of the richest in natural resources in Europe. 

The Russians have taken almost all of Ukraine's dolomite reserves for metallurgy and carbonate raw materials for soda ash production. They have seized over 80 percent of resources like bismuth, cadmium, and tin.