core:rock_masses

{
  "cave_cell": 8,
  "cave_density": 40,
  "cave_min_cell_rock": 3,
  "cave_mouth_reach": 6,
  "cave_open_ratio": 50,
  "edge_warp": {
    "cell": 12,
    "octaves": 1,
    "strength": 2
  },
  "id": "core:rock_masses",
  "material_cell": 16,
  "materials": [
    "core:granite",
    "core:marble",
    "core:limestone"
  ],
  "mine_work_ticks": 120,
  "threshold": 160
}