- M1, Tanohata Granite
- M1, Shizuoka pref.
- M1, Wakayama pref.
- M I Terrace Deposit
- M2, Tanohata Granite
- M2, Shizuoka pref.
- M2, Wakayama pref.
- M II Terrace Deposit
- M3, Tanohata Granite
- M3, Shizuoka pref.
- M3, Wakayama pref.
- M4, Tanohata Granite
- M4, Shizuoka pref.
- Ma
- Ma -1
- Ma 0
- Ma 0.5
- Ma 1
- Ma 1.3
- Ma 1.5
- Ma 1.7
- Ma 2
- Ma 3
- Ma 4
- Ma 5
- Ma 6
- Ma 7
- Ma 8
- Ma 9
- Ma 10
- Ma 11
- Ma 11 (1)
- Ma 11 (2)
- Ma 11 (3)
- Ma 12
- Ma 13
- Ma-b
- Mabori Member
- Machi Formation, Sandy mud
- Machi Formation, Lacustrine
- Machikata Loam
- Machiniwasaka Debris Avalanche Deposit
- Machiya Member
- Madaraohokubu Lava
- Madaraojobu Lava
- Madaraokabu Lava
- Madaraokogen Pyroclastic Rocks
- Madarao volcano
- Madaraoyama Lava
- Maebashi Mudflow Deposit
- Maedaiten volcano
- Maedake Formation
- Maedake Lava, Moriyoshi volcano
- Maedake Lavas
- Maedanome Formation
- Maeda Sand Bed
- Maeda Tephra
- Maegase Formation
- Maegatake Lava
- Maegatakenishi Lava
- Maego Lava
- Maehotakadake Welded Tuff
- Maejima Formation
- Maekake stratovolcano
- Maekawa Formation
- Maekawahontani Pyroclastic Flow Deposit
- Maekawa Lava
- Maekawa Mudflow Deposit
- Maekesamaru Lava
- Maeko Member
- Maekura Lavas and Pyroclastics
- Maekura Stage
- Maenabemoriyama Dome Lava
- Maesawa Formation
- Maetateshinayama Lava
- Maetsukamiyama Acidic Volcanic Rocks
- Maeyamagawa Formaiton
- Maeyama Lava
- Maeyama Tephra
- Mafic rocks, Younger Ryoke Granitoids
- Mafuji Trachyte
- Magarisawa Granite
- Magarisawa Tonalite
- Magatoji Formation
- Magawadani Formation
- Magawa Formation
- Magawa Gravel Bed
- Magawa Lacusrine Deposits
- Magawa Sandstone and Conglomerate Formation
- Mageshidani Formation
- Magidai Formation
- Magisawa Formation
- Maibara Loam
- Maibara I Terrace Deposit
- Maibara II Terrace Deposit
- Maibara Terrace Deposit
- Maihara Formation
- Maiko Shell Bed
- Main Body, Okayazawa Mass
- Main body, Orikabe Plutonic Complex
- Main body, Tashirodake volcano
- Main body, Utsushigatake Gabbroic Mass
- Main cone, Miyakejima volcano
- Main cone, Nishiyama volcano
- Main cone proper, Miyakejima volcano
- Main facies, Izumi Group
- Main intrusive rocks
- Mainosawa Sands
- Mainosawa Sandstone Member
- Main part of stratovolcano, Rishiri volcano
- Main strato cone stage
- Main stratovolcano, Mikurajima volcano
- Main stratovolcano, Toshima volcano
- Maioka Formation
- Maioka Loam
- Maisawa Sandstone Member of volcanic fragments
- Maisawa Terrace Deposit
- Maito Formation
- Maiya Formation
- Maizuru Belt
- Maizuru Granite
- Maizuru Group
- Maizuru Metamorphic Rocks
- Makaya Green Rocks
- Makibara Pyroclastic Flow Deposit
- Makibuchi Formation
- Makidaira Pyroclastic Flow Deposit
- Maki Formation, Aomori pref.
- Maki Formation, Tochigi pref.
- Maki Formation, Gifu pref.
- Makihata Body
- Makihatayama Granodiorite
- Maki Member, Gifu pref.
- Maki Member, Shiga pref.
- Makimizudani Tonalite
- Makimukuyama Granite
- Makinohama Sandstone Member
- Makinohara Gravel Bed
- Makinohara Terrace Deposits
- MakinoPebbly Mudstone Member
- Makio Complex
- Makio Formation
- Makita Formation
- Makitagawa Group
- Makiuchi Andesite
- Makiyama Member
- Makiyama Sands and Gravels Member
- Makuiwagawa Lava
- Makuiwa stock
- Makuyama Lava
- Ma-l
- Mamahahadake volcano group
- Mamakodake volcano
- Mameyakizawa Formation
- Mamioka Tuff
- Mamurogawa Formation
- Managawa Group
- Manaitayama Andesites
- Manaitayama Volcanic Rocks
- Manaitayama Volcanics Complex
- Manazurumisaki Lava
- Manazuru Tephra
- Manba Formation
- Manba Group
- Manba Subunit
- Manbutsuiwa Tuff Breccia
- Manchidani Formation
- Mandano Formation
- Mandano Sand and Gravel Member
- Mandokoro Gravel Bed
- Mangyo Tuff Bed
- Manitazawa Lava
- Mannami Formation
- Mano Formation, Fukushima pref.
- Mano Formation, Chiba pref.
- Manoike Tephra
- Manotani Metamorphic Rocks
- Mansukemichi Lava
- Mantaroyama Shale Formation
- Manzaemonyama Formation
- Manzaka Tonalite
- Manzawa Formation
- Manzawa Member
- Marginal body, Utsushigatake Gabbroic Mass
- Marishiten Lava
- Marishiten volcanic group
- Maro Member
- Maruberiwan Formation
- Marumori Central Cone Lava
- Marumori Granitic Complex
- Marumori Lava Dome
- Marumori Metamorphic Rocks
- Marumori Tuff
- Marumori volcano
- Marune Tephra
- Maruoshinden Tephra
- Marushimamine volcano
- Marushimayama Lava
- Marutadani Formation
- Marutaki Conglomerate Member
- Maruyama, Miyakejima volcano
- Maruyama Andesite
- Maruyama Dolerite
- Maruyama Formation, Hokkaido
- Maruyama Formation, Yamagata pref.
- Maruyama Formation, Fukushima pref.
- Maruyama Gabbro Complex
- Maruyamahokuho Lava
- Maruyama Lava
- Maruyama volcanic products
- Masagodake Body
- Masago Mudstone Member
- Masagoya Formation
- Masaki Granite
- Masaki Muds Member
- Masaki Sandy Gravels Member
- Mashikozawa Welded Tuff Member
- Mashizume Formation
- Mashu-b Tephra Formation
- Mashu-b Tuff Formation
- Mashu volcano
- Massaki Group
- Masudagawabashi Tuff
- Masuda Group
- Masugatayama Lava
- Masugi Tephra
- Masukawadake Dacite
- Masukawagawa Andesites
- Masuko Formation
- Masuma Formation
- Masumizuhara Pyroclastic Flow Deposit
- Masuporo Formation
- Masutomi Group
- Masuura Formation
- Masuzawa Formation
- Matago Formation
- Mataki Formation
- Matoya Group
- Matsuba Formation
- Matsubara Formation
- Matsubara Gravel Bed
- Matsuba Tuffaceous Siltstone Member
- Matsudome Tuff
- Matsue Basalt
- Matsue Formation
- Matsue Tephra
- Matsugadaira Formation
- Matsugadaira Metamorphic Rocks
- Matsugadaira-Motai Belt
- Matsuhashi High-Mg Andesite
- Matsuhashi Rhyolite
- Matsuiwa Lava
- Matsukawa Andesite
- Matsukawa Formation, Fukushima pref.
- Matsukawa Formation, Uonuma, Niigata pref.
- Matsukawa Formation, Yuzawa, Niigata pref.
- Matsukawa Group
- Matsuki Quartz Porphyry
- Matsukitai Formation
- Matsuki-type Granitic Rocks
- Matsukizawa Sand and Gravel Member
- Matsukuma Formation
- Matsukura Mudstone, Sandstone and Conglomerate Member
- Matsukura Siliciclastic Rock Member
- Matsumaezawa Formation
- Matsumoto Gravel Bed
- Matsunagi Formation
- Matsunedani Formation
- Matsunoyama Formation
- Matsunoyama Tuff
- Matsuo Formation
- Matsuo Group
- Matsuotoge Lava
- Matsuoyama Formation
- Matsuozawa Lava
- Matsuozawa volcano
- Matsusaka Formation
- Matsushima Andesite
- Matsushima Formation
- Matsushima Tuff
- Matsushimawan Group
- Matsutani Metamorphic Rocks
- Matsuyamabana Lava Dome
- Matsuyamabana volcano
- Matsuyama Formation, Miyagi pref.
- Matsuyama Formation, Ehime pref.
- Matsuyama Granodiorite
- Matsuyama Group
- Matsuyama Rhyolite
- Matsuyamazawa Formation
- Matsuyazaki Debris Avalanche Deposit
- Matsuzakatoge Formation
- Matsuzaki Formation, Miyagi pref.
- Matsuzaki Formation, Shizuoka pref.
- Matsuzawa Sandstone and Mudstone Member
- Mawaki Conglomerate Member
- Mawaritaike Tephra
- Mayoizawa Mudstone
- Mayumitoge Welded Tuff
- Mazegawa Formation
- Maze Shale and Tuff Member
- Mi-2
- Mi-3
- Mi-5
- Mi-6
- Mi-7
- Mi-10
- Mi-12
- Miai Formation
- Miaki Formation
- Miana Lava
- Miasa Formation
- Michigatani Formation
- Midagahara Mudflow Deposit
- Midarebashi Sand Member
- Middle I Marine Terrace Deposits, Fukui
- Middle I Terrace Deposit, Arakawa river
- Middle I Terrace Deposit, Haramachi
- Middle I Terrace Deposits, Hino
- Middle I Terrace Deposits, Hosshojigawa river
- Middle I Terrace Deposit, Itoigawa
- Middle I Terrace Deposits, Izumo
- Middle I Terrace Deposit, Kariwano
- Middle I Terrace Deposits, Kariyata river
- Middle I Terrace Deposits, Kuwana
- Middle I Terrace Deposits, Miakata
- Middle I Terrace Deposit, Nagaoka
- Middle I Terrace Deposit, Nagawa river
- Middle I Terrace Deposit, Namie
- Middle I Terrace Deposit, Naraha
- Middle I Terrace Deposit, Noshiro
- Middle I Terrace Deposit, Shirakawa
- Middle I Terrace Deposit, Somanakamura
- Middle I Terrace Deposits, Suzuka hills
- Middle I Terrace Deposit, Takato
- Middle I Terrace Deposits, Toba
- Middle II Marine Terrace Deposits, Fukui
- Middle II Terrace Deposit, Arakawa river
- Middle II Terrace Deposit, Haramachi
- Middle II Terrace Deposits, Hino
- Middle II Terrace Deposit, Itoigawa
- Middle II Terrace Deposits, Izumo
- Middle II Terrace Deposit, Kakioka
- Middle II Terrace Deposit, Kariwano
- Middle II Terrace Deposits, Kariyata river
- Middle II Terrace Deposits, Kuwana
- Middle II Terrace Deposits, Miakata
- Middle II Terrace Deposit, Nagaoka
- Middle II Terrace Deposit, Nagawa river
- Middle II Terrace Deposit, Namie
- Middle II Terrace Deposit, Naraha
- Middle II Terrace Deposit, Noshiro
- Middle II Terrace Deposit, Shirakawa
- Middle II Terrace Deposit, Somanakamura
- Middle II Terrace Deposits, Suzuka hills
- Middle II Terrace Deposit, Takato
- Middle II Terrace Deposits, Toba
- Middle III Marine Terrace Deposits, Fukui
- Middle III Terrace Deposit, Itoigawa
- Middle III Terrace Deposit, Kariwano
- Middle III Terrace Deposits, Kariyata river
- Middle III Terrace Deposits, Katata
- Middle III Terrace Deposit, Nagaoka
- Middle III Terrace Deposit, Nagawa river
- Middle III Terrace Deposit, Namie
- Middle III Terrace Deposit, Naraha
- Middle III Terrace Deposit, Somanakamura
- Middle IV Terrace Deposit, Namie
- Middle IV Terrace Deposit, Naraha
- Middle Donzurubo Member
- Middle Fan Deposits
- Middle Fluvial Terrace Deposits, Fukui
- Middle Fluvial Terrace Deposits, Hakuba
- Middle Fluvial Terrace Deposits, Hayatsukigawa river
- Middle Fluvial Terrace Deposits, Minauchi
- Middle Formation, Maizuru Group
- Middle Formation, Suzuka Group
- Middle Haborogawa Formation
- Middle Karitasan Lava
- Middle Member, Akasaka Limestone
- Middle Member, Hashikadani Formation
- Middle Member, Hayaguchigawa Formation
- Middle Member, Kameyama Formation
- Middle Member, Kodomari Formation
- Middle Nojiriko Member
- Middle Ogane Shell Bed
- Middle Pumice Tuff Member
- Middle sheet, Yakuno Ophiolite
- Middle stage Hokusatsu Volcanic Rocks
- Middle stage Nansatsu Volcanic Rocks
- Middle stage, Tokachidake volcano
- Middle Tephra
- Middle Terrace Deposits, Adogawa river
- Middle Terrace Deposit, Aga river, Tajima
- Middle Terrace Deposits, Akashigawa river
- Middle Terrace Deposit, Akebono Fault
- Middle Terrace Deposit, Chichibu
- Middle Terrace Deposit, Fujikawa river
- Middle Terrace Deposits, Funagoshi
- Middle Terrace Deposit, Hakiigawa river
- Middle Terrace Deposit, Hanakawa river
- Middle Terrace Deposits, Hannan
- Middle Terrace Deposits, Hokusei
- Middle Terrace Deposits, Honmegawa river
- Middle Terrace Deposits, Inabegawa river
- Middle Terrace Deposits, Inagawa river
- Middle Terrace Deposit, Jinzugawa river
- Middle Terrace Deposit, Kakizaki
- Middle Terrace Deposits, Kamogawa river
- Middle Terrace Deposit, Kawamata
- Middle Terrace Deposits, Kinokawa river
- Middle Terrace Deposits, Kinomoto
- Middle Terrace Deposits, Kishigawa river
- Middle Terrace Deposits, Kizugawa river
- Middle Terrace Deposits, Kobe
- Middle Terrace Deposit, Kubodaira
- Middle Terrace Deposits, Makitagawa river
- Middle Terrace Deposits, Nabarigawa river
- Middle Terrace Deposit, Nanakita river
- Middle Terrace Depostis, Nanjo
- Middle Terrace Deposits, Nara
- Middle Terrace Deposit, Nishinogawa river
- Middle Terrace Deposits, Nishiyama hills
- Middle Terrace Deposits, Obu
- Middle Terrace Deposit, Ogawa river
- Middle Terrace Deposits, Omaezaki
- Middle Terrace Deposits, Osaka pref.
- Middle Terrace Deposits, Saigo
- Middle Terrace Deposits, Shimizu
- Middle Terrace Deposit, Shinano river
- Middle Terrace Deposit, Shinjo
- Middle Terrace Deposit, Shirabu pass
- Middle Terrace Deposit, Shonai
- Middle Terrace Deposits, Shuchigawa river
- Middle Terrace Deposits, Suzu
- Middle Terrace Deposit, Tadami river
- Middle Terrace Deposits, Taisanjino
- Middle Terrace Deposits, Tomobuchigawa river
- Middle Terrace Deposits, Tonoda
- Middle Terrace Deposits, Toyota
- Middle Terrace Deposits, Tsugegawa river
- Middle Terrace Depostis, Tsuruga
- Middle Terrace Deposits, Ujigawa river
- Middle Terrace Deposit, Uwa
- Middle Terrace Deposit, Watarase river
- Middle Terrace Deposit, Yamamotoyama terrace
- Middle Terrace Deposit, Yashima
- Middle Terrace Deposits, Yoro
- Middle Terrace Deposits, Yuragawa river
- Middle tonalite, Hidaka Plutonic Rocks
- Middle Unit, Himekawa Complex
- Middle Unit, Sanbagawa Belt
- Middle Unit, Shiobra-Otawara Pyroclastic Flow Deposit
- Middle Yezo Group
- MidK-1
- MidK-2
- MidK-3
- MidK-4
- MidK-5
- Midoricho Formation
- Midorigaoka Member
- Midorimachi Formation
- Mifune Formation
- Mifune Group
- Mifune Rhyolite
- Migakisuna Formation
- Mihara body
- Miharayama Scoria Cone
- Miharu mass
- Miike explosion crater
- Miike Formation
- Mikabu Green Rocks
- Mikaburiyama Welded Tuff
- Mikabu Unit
- Mikado Unit
- Mikaguradake Granite
- Mikagura Formation
- Mikammuriyama Andesites
- Mikasa Andesite
- Mikasa Formation
- Mikasa Group, Shizuoka pref.
- Mikasa Group, Nara pref.
- Mikasa Tuff Breccia
- Mikasayama Lava
- Mikasayama volcano
- Mikatagahara Gravel
- Mikata Gravels
- Mikata Gravels, lower
- Mikata Gravels, upper
- Mikata Rhyolite
- Mikawa Formation
- Mikawa Unit
- Mikazukiyama Formation
- Miki Formation
- Miki Gravels
- Mikita Tephra
- Mikkabi Member
- Mikkaichiba Welded Tuff
- Mikkamachi Formation
- Mikuizawa? Formation
- Mikumo Granite
- Mikunidake Formation
- Mikunitoge Conglomerate Member
- Mikuragawa Basalt Member
- Mikura Group
- Mikurajima volcano
- Mikurigaike Gravel Bed
- Mikuriya Sand and Gravel Bed
- Mikusayama Granitic Complex
- Mimata Complex
- Mimatsudaira Lava
- Miminashiyama Rhyolite
- Mimizaki Trachyte
- Mimizukuyama Andesite
- Mimizukuyama Dacite
- Mimmaya Rhyolites
- Minagawa Formation
- Minahara Gravel
- Minaharaisobe Terrace Deposit
- Minaharamochi Terrace Deposit
- Minaharashioda Terrace Deposit
- Minahara Terrace Deposit
- Minaharatokiwa Terrace Deposit
- Minaharayotsuji Terrace Deposit
- Minakami Group
- Minakami Quartz Diorite
- Minakamiyama Volcanics
- Minakuchi Alternation of Sandstone and Mudstone Member
- Minami-aizu Formation
- Minamiakakuradake Debris Avalanche Deposit
- Minamiakakuradake Lava
- Minamiasai Formation
- Minamiboso Group
- Minamichita Formation
- Minamidake Pyroclastic Cone Deposit
- Minamidake Tuff Breccia
- Minamidani I Tephra
- Minamidani II Tephra
- Minamidani Basalt
- Minamigo Formation
- Minami-Hakkoda volcanoes
- Minami-Hakkoda 1st-stage Lava
- Minami-Hakkoda 1st-stage Lava and Pyroclastic Rocks
- Minami-Hakkoda 2nd-stage Lava
- Minami-Hakkoda 2nd-stage Lava and Pyroclastic Rocks
- Minami-Hakkoda 3rd-stage Lava and Pyroclastic Rocks
- Minamihama Lava
- Minamihirasawa Formation
- Minamihirasawa Tuff
- Minamihizusa Tephra
- Minamiikaruga Tephra
- Minamiimogawa Formation
- Minamiisowaki Formation
- Minamikadosawa Tuff Facies
- Minamikadosawa Tuff Member
- Minamikata Granite
- Minamikawachi Granite
- Minamikomezawa Lava
- Minamimasagodake Body
- Minamimatadani Conglomerate Formation
- Minamimatadani Conglomerate Member
- Minami-naganuma Formation
- Minaminokomai Lava
- Minamioshimizu Formation
- Minamisawayama Welded Tuff
- Minamishirado Formation
- Minamishirado Member
- Minamishirasawa Formation
- Minamisho Clays Member
- Minamitama Group
- MinamiTarusakacho Tephra
- Minamiyachi Tuff and Conglomerate Member
- Minamiyahagi Clay Formation
- Minamiyama Gravel Bed
- Minamiyoshida Alternation of Mudstone and Sandstone Member
- Minamizaki Formation
- Minamizaki Limestone
- Minamizawadake Lavas
- Minamizawa Welded Tuff Member
- Minasegawa Tuff Member
- Minashi Formation
- Minato Formation
- Minatogawa Formation
- Minatohama Siltstone Member
- Minatomachi Formation
- Minawa Formation
- Mine Formation, Tokyo
- Mine Formation, Shizuoka pref.
- Mine Group
- Mineji Lava
- Minejiyama volcano
- Minenomatsume Lava
- Minenotsuji Lava
- Mineoka Belt
- Mineoka Group
- Mino Belt
- Minobu Formation
- Minochi Formation
- Minodo Lava
- Minogo Tephra
- Minohara Tephra
- Minohata Member
- Minokawa Formation
- Minokuchi Formation
- Minokuchi Unit
- Minoo Complex
- Minoo Formation
- Minoto Lava
- Minotonakayama Lava
- Minowa Lava
- Minowasan-Adatarayama products
- Minowasan Lava
- Miogataira crater
- Miogataira Lava
- Miogawa Formation
- Mio Mass
- Miono Volcanic Rocks
- Mio Sandstone Member
- Miroku Group
- Misaka Group
- Misaki Acidic Volcanic Rocks
- Misaki Basalt
- Misaki Clastic Rocks
- Misaki Formation, Hokkaido
- Misaki Formation, Kanagawa pref.
- Misaki Formation, Wakayama pref.
- Misaki Group
- Misakimachi Formation
- Misaki Sand and Gravel Deposits
- Misaki Tephra
- Misato Unit
- Misawa Body
- Misawa Formation, Fukushima pref.
- Misawa Formation, Tokyo
- Misawa Sandstone Member
- Misayamatoge Basalt
- Misayamatoge Basalt Facies
- Misayamatoge Basalt Member
- Misen Lava
- Misen Lava Dome
- Misen Pyroclastic Flow Deposit
- Misen Sandstone
- Mishima Pyroclastic Flow Deposit
- Misobeta Member
- Misodoana
- Misogasawa Formation
- Misogawa Belt
- Misogawa Complex
- Misogawa Formation
- Mitachi Terrace Deposits
- Mita Formation, Toyama pref.
- Mita Formation, Hyogo pref.
- Mita Formation, Shimane pref.
- Mitagawa Formation
- Mitaka Dacite
- Mitaka Sandstone
- Mitake Mudflow Deposits
- Mitakeshosenkyo type
- Mitaki Andesite
- Mitaki Basalt
- Mitaki Formation
- Mitaki Granites
- Mitaki Igneous Rocks
- Mitaki Lava
- Mitaki Tholeiite
- Mitaki Volcanic Rocks
- Mitakura Mass
- Mitani Body
- Mitani Mudstone Member
- Mitarai Formation
- Mita Sandstone Member
- Mito Formation
- Mitogawa Formation
- Mitokusan Andesites
- Mito lava series
- Mitomi Formation
- Mitosan Quartz Diorite
- Mitoyo Group
- Mitsuda Formation
- Mitsudake Lava, Nagano pref.
- Mitsudake Lava, Tochigi pref.
- Mitsudake volcano
- Mitsugaisan Granite
- Mitsugamine Lava
- Mitsugano Shale and Sandstone Member
- Mitsugano Tuffaceous Siltstone and Sandstone Member
- Mitsugashira Lava
- Mitsugi Conglomerate Member
- Mitsugoyama Lava
- Mitsuhama Formation
- Mitsuhashi Granite
- Mitsuhashi Granodiorite
- Mitsuike Member
- Mitsuishigawa Formation
- Mitsuishi Member
- Mitsuishisan Volcanic Products
- Mitsuishisan Volcano
- Mitsuke Silt Member
- Mitsukumi Pumice
- Mitsumatarenge Gabbroic Rocks
- Mitsumatsu Tephra
- Mitsumenaigawa Formation
- Mitsumine Formation
- Mitsumine Lower Volcanics
- Mitsuminesan Lavas
- Mitsumine Upper Volcanics
- Mitsumine Volcanics, Nagano pref.
- Mitsumine volcano, Tokyo
- Mitsumineyama Volcanics
- Mitsumori Andesite
- Mitsu Muds Member
- Mitsuno Formation
- Mitsunomata Lava
- Mitsuo Complex
- Mitsu Sands Member
- Mitsuse Granite
- Mitsuya Formation
- Mitsuyama Formation
- Miura Group
- Miurayama Lava
- Miwa Formation
- Miwa Formation, lower
- Miwa Formation, middle
- Miwa Formation, upper
- Miwa Member
- Miwa Rhyolites
- Mixed-rock Unit
- Miyabayashi Lava
- Miyabayashi Lava I
- Miyabayashi Lava II
- Miyabayashi Lava III
- Miyagahama Body
- Miyagahama Welded Tuff
- Miyagase Formation
- Miyagawa Complex
- Miyagawa Group
- Miyagawa Mass
- Miyagawa Welded Tuff
- Miyagi Formation
- Miyagino Tapilli Tuff Member
- Miyagino Tuffaceous Sand-mud Member
- Miyai Group
- Miyaji Belt
- Miyaji Formation
- Miyajima Formation
- Miyajima Member
- Miyakawa Formation
- Miyakejima volcano
- Miyakeyama Pyroclastic Flow Deposit
- Miyakoda Formation
- Miyako Granite
- Miyako Group
- Miyakojima Formation
- Miyako type, Miyako Granite
- Miyamachi 1 Tephra
- Miyamachi 2 Tephra
- Miyamachi 3 Tephra
- Miyamachi Member
- Miyamadani Formation
- Miyama Formation
- Miyama Unit
- Miyama Welded Tuff
- Miyamori Complex
- Miyamori-Hayachine Belt
- Miyamori-Hayachine Ophiolite
- Miyamori Ultrabasic Rocks
- Miyamori Ultramafic Complex
- Miyamoto mass
- Miyamura Member
- Miyamuro Sandstone and Mudstone Member
- Miyano Formation
- Miyanohara Tonalite
- Miyanooku Formation
- Miyanoshita Formation
- Miyanoshita Quartz Diorite Porphyry
- Miyanotani composite dike
- Miyanoura Formation
- Miyanoura Granite
- Miyasakatoge Gravel Bed
- Miyashita Mudstone Member
- Miyata Formation, Akita pref.
- Miyata Formation, Kanagawa pref.
- Miyataki Dyke
- Miyato Formation
- Miyatoko Tuff
- Miyatoko Tuff Member
- Miyatsukayama Tephra
- Miyatsukayama volcano
- Miyawaki Pyroclastic Flow Deposit
- Miyazaki Facies
- Miyazaki Formation
- Miyazaki Group
- Miyazawa Pyroclastic Flow Deposit
- Miyazu Granites
- Miyoshi Formation
- Miyukida Fan Deposit
- Miyukida Mudflow Deposit
- Miyuki Formation
- Miza Gravel Bed
- Mizoguchigawa Lava
- Mizoguchi Tuff Breccia Formation
- Mizoguchizawa Lava
- Mizore Granite
- Mizugamori Volcanic Rock
- Mizuho Conglomerate Member
- Mizuho Terrace Deposits
- Mizuho Volcanic Rocks
- Mizukamidani Formation
- Mizukoshi Formation
- Mizuma Granodiorite
- Mizuma Tephra
- Mizunagasawa Formation
- Mizunagasawayama Welded Tuff Formation
- Mizunami Group
- Mizunashi Formation, Niigata pref.
- Mizunashi Formation, Toyama pref.
- Mizunashigawa Group
- Mizunashigawa Lavas
- Mizunashigawa Metamorphic Rocks
- Mizunashi Granite
- Mizune Formation
- Mizunokizawa Unit
- Mizuno Member, Seto Porcelain Clay Formation
- Mizuno Member, lower Yadagawa Formation
- Mizuno Member, upper Yadagawa Formation
- Mizunoto stratovolcano
- Mizunoya Formation
- Mizunuma Formation
- Mizunuma-Kaneyama Tephra
- Mizunuma Pyroclastic Deposit
- Mizunuma Pyroclastic Flow Deposit
- Mizuochikannon Basalt
- Mizuo-Oiriyama volcano
- Mizuoyamachui Lavas
- Mizuoyama Lava
- Mizuoyamasancho Lava
- Mizusawa Formation
- Mizusawa Lava
- Mizusawayama Lava
- Mizusawayama Pyroclastic Flow Deposit and Talus Deposit
- Mizutamari explosion crater
- Mizutani Lava
- Mizutori Gravel Member
- Mizutori Member
- Mizuyagadani Formation
- Mizuyama Formation