Hyle

Hyle: The first matter of the cosmos, from which the four elements arose, according to the doctrines of Empedocles and Aristotle.

Hyle adds a worldgen feature made in order to replace one underground matter to another. 

(replace stone with other stone types, or dirt with other dirt types, etc)

The feature supports extensive datapack configuration. Check the wiki for more information on how to configure hyle.

- Stone regions: define sets of stone types to be used in a certain region of the world (The world is divided into many different stone regions)

- Stone types: define replacement behavior for a base block, dirt, grass, and other 'ores'. 

This mod is primarily used as a library mod for Unearthed, but more features are planned for the future.