I

Ihumatao Pleistocene buried fossil forests - R11

Ikamatua alluvial terraces - K31

Imp Grotto Haast Schist antiform exposure - F37

Inaha Beach Quaternary sequence - Q21

Inangahua Earthquake slip scar - L29

Inangahua Junction 1968 fault scarp (Glasgow Fault) - L29

Inchbonnie en-echelon fault scarps (Alpine Fault) - K32

Indecision Cave (PT 17), Coonoor - U24

Inglewood Fault - P19

Inglewood Marae tephra section - Q19

Ingram Road III tuff ring - R12

Iris Burn Slip, Kepler Track - C43

Iron Ridge Cambrian section, Cobb Valley - M26

Iron Spike rills and gullies - U20

Isel House, Stoke - O27

Island Bay chert-pillow lava sequence - R10

Island Bay lawsonite - R27

Island Bay prehnite-pumpellyite facies - R27

Isolated Creek sawcut gorge - P29

Isolated Flat - N30

Ivory glacierised surfaces and Ivory Lake - J34