@Override
    public void genTerrainBlocks(World world, Random rand, ChunkPrimer primer, int x, int z, double noiseVal) {
        this.generateBiomeTerrain(world, rand, primer, x, z, noiseVal);
        for (int y = 0; y < 256; ++y) {
            if (primer.getBlockState(x, y, z).getBlock() == Blocks.STONE) {
                primer.setBlockState(x, y, z, Blocks.STONE.getDefaultState().withProperty(
                    BlockStone.VARIANT,
                    BlockStone.EnumType.GRANITE));
            }
        }
    }