Previous Description

This is a port of the UndergroundBiomesConstructs mod to 1.12.2

Adds

24 kinds of stone
24 variants of gravel
24 kinds of sand
16 types of cobblestone
Bricks
Slabs
Walls
Stairs
Buttons
BOP's overgrown stones
Moss Cobblestones
Monster Eggs
Ores from Minecraft and Mods are (or can be) integrated to match the surrounding stone.

You may find some help on adding ores from mods here.

Note on 1.14.x : Those builds are early alphas. Bugs are to be expected... Please report them on Github's issue tracker! If upgrading to build 32 from an older build, please delete your config/undergroundbiomes folder!

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This is a port of the UndergroundBiomesConstructs mod to 1.12.2 and later.

This mod adds great diversity to your underground,

add 24 new different kinds of stones of metamorphic, igneous and sedimentary styles.
Ores and structures like villages from vanilla and other mods are also converted to the local stone variant during world generation.
Those 24 variants are also declined in cobblestone, gravel, sand, sandstone, clay, monster eggs, overgrown stone, bricks, mossy bricks & cobblestone, slabs, walls, stairs and buttons.
The mod is inspired from the real world, adding even more diversity: igneous stones like granite are slightly harder to break, lignite can be used as a cheap coal, there's no sedimentary cobblestone, fossils can be found while mining, etc.
Many mods ores are already supported natively.
Speleothem from quark are also supported.
A simple yet extensive configuration allows you to add new ores from others mods through simple json configuration (see the wiki), disable specific blocks variations, etc.

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Underground Biomes

External resources

Project members

Technical information