This is a mod that adds support for Resource Nether Ores & The Undergarden & Silent Gear & Deeper And Darker to work with Ore Growth should you have them installed.
It makes this:
https://www.curseforge.com/minecraft/mc-mods/ore-growth
Work with these:
https://www.curseforge.com/minecraft/mc-mods/deeperdarker
https://www.curseforge.com/minecraft/mc-mods/silent-gear
https://www.curseforge.com/minecraft/mc-mods/resource-nether-ores
https://www.curseforge.com/minecraft/mc-mods/the-undergarden
This mod will do nothing alone without Ore Growth and at least one of the two others installed.