- Fukadani Debris Avalanche Deposit, Shiga pref.
- Fukadani Debris Flow Deposit, Gifu pref.
- Fukadani Formation
- Fukae Granite
- Fukakusa I Tephra
- Fukakusa II Tephra
- Fukakusa Formation
- Fukami Serpentinite Unit
- Fukami Tectonic Line
- Fukasawa Formation
- Fukashiro Unit
- Fukatani Formation, Fukui pref.
- Fukatani Formation, Nara pref.
- Fukatani Member
- Fukaura Formation
- Fukawa Formation
- Fukawa Granite
- Fukayabe Tephra
- Fukazara Sandstone and Mudstone Member
- Fukazawa Formation, Yamagata pref.
- Fukazawa Formation, Fukushima pref., Pleistocene
- Fukazawa Formation, Fukushima pref., Miocene
- Fukazawa Formation, Tokyo
- Fukazawa Formation, Kanagawa pref.
- Fukazawa Pyroclastic Flow Deposit
- Fukazawa Unit
- Fukenoyu Lava
- Fuki Formation
- Fukihata Quartz Diorite
- Fukinotaira Volcanic Rocks
- Fukizawa Formation
- Fukkiura Shale and Sandstone Member
- Fukkoshi Formation
- Fukkoshi Tuff
- Fukuchiyama Formation
- Fukuda Formation
- Fukuda Tephra
- Fukudayama Granodiorite
- Fukue Formation, Aichi pref.
- Fukue Formation, Yamaguchi pref.
- Fukuhara Formation
- Fukuhara Terrace Deposits
- Fukuhira Formation
- Fukuhira Pyroclastic Rock Member
- Fukuichi Pumice Flow Deposits
- Fukuichi Sand and Gravel Bed
- Fukuji Formation
- Fukuji Group
- Fukuji Tuff Breccia
- Fukumoto Group
- Fukuoka-cho Muds Member
- Fukuoka Formation (a part)
- Fukuoka Formation (a part)
- Fukuoka Granite
- Fukuoka Pumice (a part)
- Fukuoka Pumice (a part)
- Fukura Lava
- Fukura Sands
- Fukuregi Formation
- Fukushima Formation, Aomori pref.
- Fukushima Formation, Niigata pref.
- Fukushima Formation, Tokyo
- Fukushima Lava
- Fukushi Member
- Fukuyama Andesite
- Fukuyose Volcaniclastic Rocks
- Fukuzuka Member