• 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
  • Jifuku Member
  • Jigoku-daki Lava and Pyroclastic Rock
  • Jigokudani Accessory Tephra 1
  • Jigokudani Accessory Tephra 2
  • Jigokudani Accessory Tephra 3
  • Jigokudani Accessory Tephra 4
  • Jigokudani Accessory Tephras
  • Jigokudani Dike
  • Jigokudani Formation
  • Jigokudani Group
  • Jigokudani Lava
  • Jigokudani Volcaniclastic Rock 1
  • Jigokudani Volcaniclastic Rock 2
  • Jigokunuma Lava
  • Jiidakejobu Agglutinate
  • Jiidakekabu Agglutinate
  • Jiidake Lava
  • Jiigatake Andesite
  • Jiigatake Caldera
  • Jiigatake-Shirasawatengu Caldera Complex
  • Jiigatake Volcanics
  • Jike Formation
  • Jikkoku Formation
  • Jimbu Member
  • Jimbu Sandstone and Siltstone Member
  • Jimmuji Volcaniclastics and Mudstone Member
  • Jinaijima volcano
  • Jinaka Lava
  • Jinakayama volcano
  • Jinba Debris Avalanche Deposit
  • Jingamine Formation
  • Jingaoka Volcanic Rock Member
  • Jinguji Andesite
  • Jinooka volcano
  • Jinryo Sands Member
  • Jinzai Basalt
  • Jinzai Formation
  • Jinzugawa Mass
  • Jinzu Group
  • Jishabatake Formation
  • Jisonji Tephra
  • Jisse Formation
  • Jito Formation
  • Jitogata Alternation
  • Jizodaira Intrusive Rocks
  • Jizodaira Tephra
  • Jizodake Dacite
  • Jizodake Rhyolite
  • Jizodo Formation
  • Jizodo Mollusca Bed
  • Jizomine Gravel Bed
  • Jizotoge Andesite
  • Jizotoge Body
  • Jizotoge Formation
  • Jizotoge Volcanic Rocks
  • 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
  • Jododani Complex
  • Jododani Formation
  • Jodogahama Rhyolite
  • Jodogahama Rhyolites
  • Joetsu Belt
  • Joetsu Group
  • Joetsu Metamorphic Belt
  • Joetsu-O18L Tephra
  • Jo Formation
  • Jogahirayama Dacite Member
  • Jogakura Dacite
  • Jogakura Lava
  • Jogashiro Formation
  • Jogodani Formation
  • Jogo Granite
  • Jogoyama Lava
  • Jogoyama Lava Dome
  • Jogoyama volcano
  • Jo Group
  • Johnbeach Volcanic Rocks
  • Jokoji Formation
  • Jokoji Loam
  • Jokoji Mudstone Member
  • Jokoku I Tephra
  • Jokoku II Tephra
  • Jokurayama Lava
  • Jomine Subunit, Lower
  • Jomine Subunit, Upper
  • Jonai Group
  • Jonan Complex
  • Jonoirizawa caldera
  • Jonoirizawa Formation
  • Jono Sandstone and Conglomerate Member
  • Jorozawagawa Lava
  • Joryu Tonalite
  • Joshita Member
  • Joshita Sandstone and Conglomerate Member
  • Josho Lake Deposit
  • Joso Clay
  • Joso Formation
  • Josoji Formation
  • Joyama Mudstone Member
  • Joyo A Member
  • Joyo B Member
  • Joyo Member I
  • Joyo Member II
  • Jozankei Group
  • Jozenbosan Member
  • Jozenji facies
  • Jozenji Formation
  • Jozenji Sand Member
  • Jp
  • Jsg
  • Jsp
  • Jujikyo Diorite
  • Jukkokudake volcano
  • Jukkoku Formation
  • Jukkoku Volcanic Rocks
  • Jukkoku volcano
  • Jumaisan Formation
  • Jumonji mass
  • Junicho Formation
  • Junidaira Formation
  • Junigatake Formation
  • Junigatake Lapilli Tuff Member
  • Junikanno Terrace Deposits
  • 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
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