[
  "tfc:collisional_mountains",
  "tfc:deep_ocean_atolls",
  "tfc:glacially_carved_volcanic_mountains",
  "tfc:glacially_carved_volcanic_oceanic_mountains",
  "tfc:glaciated_volcanic_mountains",
  "tfc:glaciated_volcanic_oceanic_mountains",
  "tfc:ice_sheet_volcanic_mountains",
  "tfc:ice_sheet_volcanic_oceanic_mountains",
  "tfc:ocean_atolls",
  "tfc:ocean_ridge",
  "tfc:oceanic_volcanic_arc",
  "tfc:rift_lake",
  "tfc:rift_valley",
  "tfc:river_valley",
  "tfc:volcanic_island",
  "tfc:volcanic_mountain_islands"
]