Ore Generataion Code

public void GenerateSurface(World world, Random random, int i, int j)
{
    for(int i4 = 0; i4 < 20; i4++)
    {
        int j7 = i + random.nextInt(16);
        int k10 = random.nextInt(128);
        int j13 = j + random.nextInt(16);
        (new WorldGenMinable(mod_BlocksGalore.bluecobblestone.blockID, 8)).generate(world, random, j7, k10, j13);
    }

}