return {
  -- metadata
  name = "loria:reptile_house",

  -- nodes
  node_dust = nil,
  node_top = "loria:nickel_nitrate",
  depth_top = 2,
  node_filler = nil,
  depth_filler = nil,
  node_stone = "loria:chromium_fluoride",
  node_riverbed = "loria:lead_sulfate",
  depth_riverbed = 4,

  -- liquids
  node_water_top = nil,
  depth_water_top = nil,
  node_water = nil,
  node_river_water = nil,
  node_cave_liquid = nil,

  -- dungeons
  node_dungeon = nil,
  node_dungeon_alt = nil,
  node_dungeon_stair = nil,

  -- climate
  heat_point = 90,
  humidity_point = 50,

  -- y values
  y_min = -31000,
  y_max = 31000,
  vertical_blend = nil,
}