All listed features/deposits are preserved for E/H/M (Ecumenopolis/Hive/Machine -Worlds), unless stated otherwise.

> Special resource deposits (motes/gases/crystals)

> Isolated Valley (alien pets)
Not preserved for Hive/Machine -worlds.
Ecumenopolis: - max districts; removable.

> Toy Factory Complex
Preserved for common terraforming.
E/H/M: - max districts; +5% happiness (non-gestalt); removable

> Harvester Fields
E/H/M: - max districts; +jobs; removable

> Hyperfertile Valley
E/H/M: - max districts; +jobs; removable

> Ancient Mining Site
E/H/M: - max districts; +jobs; removable

> Migrating Forests Reserve
Not preserved for Hive/Machine -worlds.
Ecumenopolis: - max districts; removable

> Ancient Bombardment Craters
E/H/M: - max districts; removable

> Ancient Battlefield
E/H/M: - max districts; removable

> Irradiated Ruins
E/H/M: - max districts; removable

> Mutant Landfill
E/H/M: - max districts; removable
> Impact Crater
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Odd Factory
Preserved for common terraforming.

> Odd Factory Wrecks
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Ancient Particle Accelerator
Preserved for common terraforming.

> Underground Vault
Preserved for common terraforming.

> Underground Vault alt
E/H/M: +jobs
Preserved for common terraforming.

> Cryonic Clones Monument
Preserved for common terraforming.

> Processing Pens
E/H/M: - max districts; removable
Preserved for common terraforming.

> Portal Research Area
Preserved for common terraforming.

> Dragonslayer Monument
Preserved for common terraforming.

> Stellarite Trophy
Preserved for common terraforming.

> Numa's Breath
E/H/M: +jobs; Nullified +2 max districts bonus.
Preserved for common terraforming.

> Loop-Plowed Farm
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Spiral-Hewn Mine
E/H/M: +jobs
Preserved for common terraforming.

> Subterranean Contact Zone
E/H/M: +jobs; Nullified +2 max districts bonus.
Preserved for common terraforming.

> Subterranean Farming Caverns
E/H/M: +jobs; Nullified +2 max districts bonus.
Preserved for common terraforming.

> Subterranean Generator Areas
E/H/M: +jobs; Nullified +2 max districts bonus.
Preserved for common terraforming.

> Subterranean Mining Sites
E/H/M: +jobs; Nullified +2 max districts bonus.
Preserved for common terraforming.

> Valley of Zanaam
E/H/M: - max districts; removable

> Junk Canals
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Junk Hollows
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Junk Wastes
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Metal Boneyards
E/H/M: - max districts; +jobs; removable
Preserved for common terraforming.

> Organic Landfills
E/H/M: - max districts; +jobs; removable

> Irradiated Valley
E/H/M: - max districts; +jobs; removable