J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
JA
Jagatake Lava
Jaishi volcano
Jaiwa Tuff
J Alternation of Sandstone and Mudstone
Janokawauchi Formation
JA-O18L
JH
Jigoku-daki Lava and Pyroclastic Rock
Jigokudani Accessory Tephras
Jigokudani Formation
Jigokudani Lava
Jigokudani Volcaniclastic Rock 1
Jigokudani Volcaniclastic Rock 2
Jiigatake Caldera
Jiigatake-Shirasawatengu Caldera Complex
Jiigatake Volcanics
Jike Formation
Jikkoku Formation
Jimmuji Volcaniclastics and Mudstone Member
Jinaijima volcano
Jinakayama volcano
Jinba Debris Avalanche Deposit
Jingamine Formation
Jingaoka Volcanic Rock Member
Jinguji Andesite
Jinooka volcano
Jinzai Basalt
Jinzai Formation
Jinzu Group
Jishabatake Formation
Jito Formation
Jitogata Alternation
Jizodaira Intrusive Rocks
Jizodaira Tephra
Jizodake Dacite
Jizodake Rhyolite
Jizodo Formation
Jizodo Mollusca Bed
Jizotoge Formation
Jjj
Job
Joban Formation
Jododaira JP1 Unit
Jododaira JP2 Unit
Jododaira JP3 Unit
Jododaira JP4 Unit
Jododaira JP5 Unit
Jododaira JP6 Unit
Jododaira JP7 Unit
Jododaira volcano
Jodogahama Rhyolite
Jodogahama Rhyolites
Joetsu Belt
Joetsu Group
Joetsu Metamorphic Belt
Joetsu-O18L Tephra
Jo Formation
Jogakura Dacite
Jogakura Lava
Jogashiro Formation
Jogodani Formation
Jo Group
Jokoji Formation
Jokoji Loam
Jokurayama Lava
Jomine Subunit, Lower
Jomine Subunit, Upper
Jonai Group
Jonoirizawa caldera
Jonoirizawa Formation
Jorozawagawa Lava
Joryu Tonalite
Joshita Sandstone and Conglomerate Member
Josho Lake Deposit
Joso Clay
Joso Formation
Josoji Formation
Jozankei Group
Jozenji facies
Jozenji Formation
Jozenji Sand Member
Jp
Jsg
Jsp
Jujikyo Diorite
Jukkoku Formation
Jumaisan Formation
Jumonji mass
Junicho Formation
Junidaira Formation
Junigatake Lapilli Tuff Member
Juniko Tuff Member
Junitaki Acid Volcanic Rock
Junitoge Green Tuff Member
Junreitoge Conglomerate and Sandstone Member
Jusanhama Group
Jusanmairu Sandstone Member
Jwg
Jwg-1
Jwg-2
Jwg-3
Jwg-4
Jyagatake Lavas
Jyodogahama Acidic Volcanic Rocks