What is this mod called?

[Fisher Corbin]

I am intersested in making my own mod pack and wanted to know what the mod is called that spawns ores at above regular Y coordinate. Please help, thanks

[Vivacity]

You can modify ore spawning in one of the thermal expansion config files.

[_Mataroyale_Modpacker_]

You can modify ore spawning in one of the thermal expansion config files.

It also might be CoFH core