Integrative Levels Classification project ILC2 schedules developing schedules how it works people references

ILC developing version
Expanded class i

    broader class

          i  rocks; minerals and rocks  [geology; planetary geology]  ≈ DDC 550
          i07su   ⋄                       [economic geology]
          i09s                 continental drift theory
          i09t                 plate tectonics
          i1       in era; period  [geochronology; stratigraphy]  ↞ cbx more than billions years
          i1X            geological eras
          i1XX                 geological periods; stratigraphical systems
          i1XXX                      geological epochs; stratigraphical series
          i1XXXX                           geological ages; stratigraphical stages
          i1bWn            Precambrian; >540 Ma
          i1d            Hadean; 4550-4000 Ma
          i1hWk            Archean; 4000-2500 Ma
          i1h            Eoarchean; 4000-3600 Ma
          i1i            Paleoarchean; 3600-3200 Ma
          i1j            Mesoarchean; 3200-2800 Ma
          i1k            Neoarchean; 2800-2500 Ma
          i1ɭWn            Proterozoic; 2500-540 Ma
          i1ɭ            Paleoproterozoic; 2500-1600 Ma
          i1m            Mesoproterozoic; 1600-1000 Ma
          i1mc                 Calymmian; 1600-1400 Ma
          i1mk                 Ectasian; 1400-1200 Ma
          i1ms                 Stenian; 1200-1000 Ma
          i1n            Neoproterozoic; 1000-540 Ma
          i1nn                 Tonian; 1000-720 Ma
          i1nr                 Cryogenian; 720-635 Ma
          i1nv                 Ediacaran; 635-540 Ma
          i1pWy            Phanerozoic; 542-0 Ma
          i1p            Palaeozoic; 542-251 Ma
          i1pc                 Cambrian; 542-488 Ma
          i1pd                 Ordovician; 488-443 Ma
          i1pi                 Silurian; 443-416 Ma
          i1pn                 Devonian; 416-359 Ma
          i1po                 Carboniferous; 359-299 Ma
          i1pp                 Permian; 299-251 Ma
          i1s            Mesozoic; 250-65 Ma
          i1sd                 Triassic; 250-210 Ma
          i1sj                 Jurassic; 210-140 Ma
          i1sr                 Cretaceous; 140-65 Ma
          i1t            Tertiary; 65-1.7 Ma
          i1tbWɭ                 Paleogene; Palaeogene; Lower Tertiary; 65-23 Ma
          i1tb                 Paleocene; Palaeocene; 65-56 Ma
          i1te                 Eocene; 56-33 Ma
          i1tɭ                 Oligocene; 33-23 Ma
          i1tmWp                 Neogene; 23-2.5 Ma
          i1tm                 Miocene; 23-5.3 Ma
          i1tmg                      Aquitanian; 23.0-20.4 Ma
          i1tmi                      Burdigalian; 20.4-15.9 Ma
          i1tmɭ                      Langhian; 15.9-13.8
          i1tms                      Serravallian; 13.8-11.6
          i1tmt                      Tortonian; 11.6-7.2 Ma
          i1tmw                      Messinian; 7.2-5.3 Ma
          i1tp                 Pliocene; 5.3-2.5 Ma
          i1tpn                      Zanclean; 5.3-3.6 Ma
          i1tpp                      Piacenzian; 3.6-2.5 Ma
          i1u            Quaternary; 1.7-0.01 Ma
          i1ue                 Pleistocene; 2.5-0.01 Ma
          i1ueg                      Gelasian; 2.5-1.8 Ma
          i1ueɭ                      Calabrian; 1.8-0.78 Ma
          i1uen                      Ionian; 0.78-0.12 Ma
          i1uet                      Tarantian; 0.12-0.01
          i1uh                 Holocene; 0.01-0 Ma  
          i31   [hUa]           from structural layer
          i52   [an]            radioactivity
          i5c            volcanism; volcanic activity  [volcanology]
          i5ce                 eruption
          i5cem                      magmatic eruption
          i5cema                           Hawaiian eruption
          i5cemd                           Strombolian eruption
          i5cemɭ                           Vulcanian eruption
          i5cemp                           Peléan eruption; pyroclastic flow; nuée ardente
          i5cemv                           Plinian eruption; Vesuvian eruprion
          i5cep                      phreatomagmatic eruption
          i5ceph                           Surtseyan eruption; hydrovolcanic eruption
          i5cepm                           submarine eruption
          i5ceps                           subglacial eruption
          i5cer                      phreatic eruption
          i5ci                 intrusion
          i5cx                 fractional crystallization
          i5k            magmatism; magma or lava solidification; freezing  ↞ ig magma
          i5kp                 pyroclastic flow; pyroclastic density current
          i5m            metamorphism
          i5me                 regional metamorphism
          i5mn                 contact metamorphism
          i5mq                 dynamic metamorphism
          i5mx                 anatexis
          i5my                 retrograde metamorphism
          i5n            sedimentation; deposition
          i5t            tectonic process
          i5to                 seafloor spreading
          i5tt                 accretion
          i5tu                 subduction
          i5tx                 orogeny; orogenesis
          i6        lustre; luster
          i68   [d5ll]            colour
          i686   [an89]                 diaphaneity; transparency; pellucidity
          i687   [d5ll]                 streak
          i6d            dull; earthly
          i6g            greasy
          i6j            waxy
          i6k            silky
          i6ɭ            pearly
          i6n            resinous
          i6r            vitreous
          i6s            submetallic
          i6t            metallic
          i6v            subadamantine
          i6w            adamantine
          i7        cleavage
          i70e   ⋄                chemical element  [petrologic analysis]
          i78   [cd]            crystal structure; space group; symmetry group
          i786   [cd]                 crystal habit
          i79             fracture
          i79c                 conchoidal fracture
          i79e                 earthy fracture
          i79h                 hackly fracture; jagged fracture
          i79s                 splintery fracture
          i79u                 uneven fracture
          i7b            basal cleavage; pinacoidal cleavage
          i7c            cubic cleavage
          i7e            octahedral cleavage
          i7h            rhombohedral cleavage
          i7p            prismatic cleavage
          i7t            dodecahedral cleavage
          i826   [cccc]                lying at degrees lying angle
          i826hb   ⋄                          90
          i83   [ann]            hardness in Mohs scale
          i83p                 1; talc hardness
          i83q                 2; gypsum hardness
          i83r                 3; calcite hardness
          i83s                 4; fluorite hardness
          i83t                 5; apatite hardness
          i83u                 6; orthoclase feldspar hardness
          i83v                 7; quartz hardness  ↞ ibstb quartz
          i83w                 8; topaz hardness
          i83x                 9; corundum hardness
          i83y                 10; diamond hardness
          i84   [an]            tenacity
          i843   [an]                 specific gravity
          i91   [i1]           formed in era
          i92   [jU]           in region
          ib       minerals  [mineralogy]  ↞ gx crystals   ≈ DDC 549  
          ibU   [ibsta]           quartz
          ibb            native elements
          ibbc                 native carbon  ↞ eco carbon
          ibbcd                      diamond
          ibbcg                      graphite; plumbago
          ibbcu                      fullerite
          ibbi                 native iron  ↞ eei iron
          ibbɭ                 native gold  ↞ egl gold
          ibc            sulfide minerals; sulphides; sulfides  ↞ edq sulfur
          ibcc                 chalcocite-digenite group
          ibcd                 joseite group
          ibce                 pentlandite group
          ibcg                 galena group
          ibcgg                      galena; PbS  ↞ ego lead
          ibch                 sphalerite group
          ibchc                      cinnabar; HgS  ↞ egm mercury
          ibchh                      sphalerite; ZnS  ↞ eem zinc
          ibci                 wurtzite group
          ibck                 nickeline group
          ibcɭ                 chalcopyrite group
          ibcm                 stannite group
          ibcn                 thiospinel group
          ibco                 tetradymite group
          ibcp                 pyrite group
          ibcpp                      pyrite; FeS2  ↞ eei iron
          ibcr                 marcasite group
          ibct                 cobaltite group
          ibcv                 arsenopyrite group
          ibcw                 arsenopyrite group
          ibcx                 molybdenite group
          ibcxm                      molybdenite; MoS2  ↞ efg molybdenum
          ibcy                 skutterudite group
          ibd            sulfosalt minerals  ↞ edq sulfur
          ibdc                 colusite group
          ibdd                 cylindrite group
          ibdh                 hauchecornite
          ibdi                 tetrahedrite
          ibdj                 proustite group
          ibdk                 aikinite group
          ibdɭ                 lillianite group
          ibdm                 matildite group
          ibds                 sartorite group
          ibdv                 pavonite group
          ibe            oxide minerals; oxides  ↞ fe oxides
          ibeb                 ice; H2O  ↞ ebb hydrogen fU water
          ibec                 periclase group
          ibecb                      periclase; MgO  ↞ edc magnesium
          ibee                 hematite/corundum group
          ibeec                      corundum; Al2O3  ↞ edn aluminium fehd aluminium oxide
          ibeee                      hematite; Fe2O3  ↞ eei iron ferd iron(III) oxide
          ibeg                 perovskite group
          ibei                 ilmenite group
          ibek                 rutile group
          ibekc                      cassiterite; SnO2  ↞ efo tin
          ibekp                      pyrolusite; MnO2  ↞ eeh manganese
          ibekr                      rutile; TiO2  ↞ eee titanium
          ibem                 magnetoplumbite group; multiple oxides with O19 groups
          ibeo                 cryptomelane group
          ibep                 aeschynite group
          ibeq                 crichtonite group
          ibes                 spinel group
          ibesc                      chromite; FeCr2O4  ↞ eeg chromium eei iron
          ibesm                      magnetite; Fe3O4  ↞ edc magnesium eei iron fere iron(II,III) oxide
          ibess                      spinel; MgAl2O4  ↞ edc magnesium edn aluminium
          ibet                 pyrochlore group
          ibeu                 microlite group
          ibev                 romeite group
          ibew                 betafite group
          ibex                 cesstibtantite group
          ibf            hydroxide minerals; hydroxides  ↞ ecq oxygen ebb hydrogen
          ibfd                 diaspore group
          ibfr                 brucite group
          ibfw                 wickmanite group
          ibh            halide minerals; halides  ↞ eXr halogens
          ibhc                 atacamite group
          ibhf                 fluorite group
          ibhff                      fluorite; CaF2  ↞ ecr fluorine eec calcium
          ibhh                 halite group
          ibhhh                      table salt; halite; NaCl  ↞ edr chlorine edb sodium
          ibhhs                      sylvite; KCl  ↞ edr chlorine eeb potassium
          ibhj                 chlorargyrite group
          ibhɭ                 lawrencite group
          ibhm                 matlockite group
          ibho                 challacolloite
          ibhu                 chukhrovite group
          ibm            carbonate minerals; carbonates  ↞ eco carbon ecq oxygen
          ibmc                 calcite group  ↞ eec calcium
          ibmcc                      calcite; CaCO3
          ibmg                 aragonite group
          ibmgg                      aragonite
          ibmi                 dolomite group
          ibmid                      dolomite; CaMg(CO3)2  ↞ edc magnesium eec calcium
          ibmk                 burbankite group
          ibmo                 rosasite group
          ibmq                 malachite group
          ibmr                 ancylite group
          ibms                 sjogrenite-hydrotalcite group
          ibmt                 tundrite group
          ibn            nitrate minerals; nitrates  ↞ ecp nitrogen
          ibo            sulphate minerals; sulphates; sulfates  ↞ edq sulfur
          ibob                 barite group
          ibobb                      barite; BaSO4  ↞ egc barium
          ibobc                      celestine; SrSO4  ↞ efc strontium
          ibobn                      anglesite; PbSO4  ↞ ego lead
          ibod                 blodite group
          iboe                 alum group
          ibof                 voltaite group
          iboh                 aluminite group
          iboi                 zippeite group
          ibok                 copiapite group
          iboɭ                 Pb, Zn tellurates
          iboo                 "halotrichite" supergroup
          iboq                 "kieserite" supergroup
          iboqg                      gypsum; CaSO4·2H2O  ↞ eec calcium
          iboqgr                           desert roses
          ibou                 alunite group
          ibp            phosphate minerals; phosphates  ↞ edp phosphorus
          ibpi                 apatites
          ibpif                      fluorapatite; Ca5(PO3)3F  ↞ ecr fluorine
          ibpih                      chlorapatite; Ca5(PO4)3Cl  ↞ edr chlorine
          ibpiɭ                      hydroxylapatite; Ca5(PO4)3(OH)
          ibpm                 monazite group
          ibpq                 turquoise group
          ibpu                 lazulite group
          ibr            borate minerals; borates  ↞ ecn boron
          ibrd                 ludwigite group
          ibrg                 boracite group; tecto-heptaborates
          ibrgb                      boracite; Mg3B7O13Cl
          ibri                 inderite group; neso-triborates
          ibrk                 santite group; neso-pentaborates
          ibrɭ                 hilgardite group; tecto-pentaborates
          ibrp                 pringleite group
          ibs            silicates  ↞ edo silicon
          ibsb                 nesosilicates  
          ibsbc                      zircon group
          ibsbci                           zircon; ZrSiO4
          ibsbd                      olivine group
          ibsbdo                           olivine; (Mg;Fe2+)2[SiO4]  ↞ edc magnesium eei iron
          ibsbe                      phenakite group
          ibsbg                      Al2(SiO4)O
          ibsbgɭ                           sillimanite; Al[6]Al[4]OSiO4
          ibsbgn                           andalusite; Al[6]Al[5]OSiO4
          ibsbgy                           kyanite; Al[6]Al[6]OSiO4
          ibsbi                      titanite group
          ibsbk                      cerite group
          ibsbɭ                      silicate apatites
          ibsbr                      uranophane group
          ibsbt                      datolite group
          ibsbu                      hellandite group
          ibsbv                      vicanite group
          ibsbx                      garnets; "garnet" supergroup
          ibsbxb                           pyralspite series
          ibsbxbb                                pyrope
          ibsbxbɭ                                almandine
          ibsbxbs                                spessartine
          ibsbxg                           ugrandite series
          ibsbxgd                                andradite
          ibsbxgg                                grossular
          ibsbxgu                                uvarovite
          ibsbxh                           schorlomite-kimzeyite series
          ibsbxr                           hydrogarnet
          ibsbxt                           tetragonal hydrogarnet
          ibsby                      "humite" supergroup
          ibsbyb                           topaz group
          ibsbybt                                topaz; Al2SiO4(F;OH)2
          ibsbyc                           chondrodite series
          ibsbyh                           humite series
          ibsbyɭ                           clinohumite series
          ibsbyn                           norbergite
          ibsbyr                           chloritoid group
          ibsd                 sorosilicates  
          ibsde                      epidote group
          ibsdee                           epidote; {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7]
          ibsdɭ                      allanite group
          ibsdo                      dollaseite group
          ibsf                 cyclosilicates  
          ibsfd                      tourmaline group
          ibsfu                      eudialyte group
          ibsi                 inosilicates  
          ibsib                      astrophyllite group
          ibsic                      sapphirine supergroup
          ibsie                      pyroxene supergroup  
          ibsiebWe                           orthopyroxene group
          ibsiee                           enstatite-orthoferrosilite series
          ibsiefWy                           clinopyroxene group
          ibsieg                           pigeonite
          ibsieh                           diopside-hedenbergite series
          ibsim                      amphiboles; multiple chain inosilicates  
          ibsimb                           anthophyllite
          ibsimc                           cummingtonite series
          ibsime                           tremolite series
          ibsimh                           hornblende
          ibsims                           sodium amphibole group
          ibsio                      sodium pyroxene series
          ibsis                      spodumene group
          ibsj                 pyroxenoid group
          ibsp                 phyllosilicates  
          ibspc                      clay minerals group
          ibspd                      medicinal clay
          ibspm                      mica group
          ibspo                      kaolinite-serpentine group  ↞ edc magnesium eei iron
          ibsps                      smectite/montmorillonite group
          ibspt                      pyrophyllite-talc group
          ibsptc                           talc  ↞ edc magnesium
          ibspx                      chlorite group
          ibst                 tectosilicates  
          ibstb                      quartz; SiO2  ↞ feic silicon dioxide
          ibstd                      feldspars
          ibstf                      feldspatoids
          ibsto                      zeolites
          ibx            organic minerals  ↞ eco carbon
          ibxc                 mineral hydrocarbons  ↞ fd bases
          ibxɭ                 salts of organic acids
          ibxɭo                      oxalates
          id       mineraloids
          idb            amber; resinite
          idg            glasses
          idgo                 obsidian  ↞ i5cem magmatic eruption
          idgp                 pearl  ↞ mq animals eco carbon ecq oxygen
          idgs                 silicate glasses  ↞ edo silicon  
          idgsg                      glass; soda-lime glass
          idgso                      opal
          idgt                 tektites
          idp            petroleum  ↞ ibxc mineral hydrocarbons
          ig       magma  ↞ i5cem magmatic eruption
          igɭ            lava
          igt            tephra
          ii       single rocks; stones  [petrology; petrography; lithology]  ≈ DDC 552
          ii79C                       texture; microstructure
          ii79Cc                           crystalline texture
          ii79Cca                                phaneritic texture
          ii79Ccf                                foliated texture
          ii79Ccp                                porphyritic texture
          ii79Cf                           fragmental texture
          ii79Cfc                                clastic texture
          ii79Cfi                                bioclastic texture
          ii79Cfp                                pyroclastic texture
          ii79Cn                           aphanitic texture
          ii79Cv                           glassy texture
          ii7C                  grain size; particle size
          ii7Cb                      large boulders
          ii7Cc                      boulders
          ii7Cd                      cobbles
          ii7Cf                      coarse gravel
          ii7Cg                      medium gravel
          ii7Ci                      fine gravel
          ii7Cɭ                      coarse sand
          ii7Cm                      medium sand
          ii7Cn                      fine sand
          ii7Cr                      coarse silt
          ii7Cs                      medium silt
          ii7Ct                      fine silt
          ii7Cy                      clay
          iii            igneous rocks; magmatic rocks; eructive rocks  ↞ iak 
          iii9D                       alkali-silica content
          iii9Df                           felsic
          iii9Di                           intermediate
          iii9Dm                           mafic
          iii9Do                           ultramafic
          iii9Dq                           alkalic
          iiibWj                 intrusive rocks; plutonic rocks
          iiib                 quartzolites
          iiibzg                 quartz-rich granitoids
          iiic                 granites  
          iiich                      H-type granites; hybrid granites
          iiici                      I-type granites; igneous protoliths
          iiicm                      M-type granites; mantle derived granites
          iiicn                      A-type granites; anorogenic granites
          iiics                      S-type granites; sedimentary protoliths
          iiiczd                 granodiorites
          iiid                 diorites
          iiie                 syenites
          iiif                 monzonites
          iiig                 gabbros
          iiih                 anorthosites
          iiihzs                 foidolites
          iiii                 peridotites
          iiiid                      dunites
          iiiif                      wehrlites
          iiiih                      harzburgites
          iiiiɭ                      lherzolites
          iiikWɭ                 hypabyssal rocks; subvolcanic rocks
          iiik                 diabases; dolerites; microgabbros
          iiimWy                 effusive rocks; volcanic rocks
          iiim                 rhyolites
          iiin                 trachytes
          iiio                 dacites
          iiiq                 andesites
          iiir                 basaltic andesites
          iiis                 basalts
          iiise                      tholeiitic basalts
          iiisem                           mid-ocean ridge basalts; MORBs
          iiish                      high-alumina basalts
          iiisk                      alkali basalts
          iiisn                      boninites
          iiit                 komatiites
          iiiu                 pumices; pumicites
          iiiv                 scorias
          iik            pyroclastic rocks; pyroclastics
          iikb                 agglomerates; pyroclastic breccias
          iikf                 lapilli tuffs; lapillistones
          iiki                 coarse ash tuffs
          iikn                 fine ash tuffs
          iim            metamorphic rocks  ↞ iam 
          iimg                 gneisses
          iimɭ                 slates
          iimm                 marbles
          iimp                 amphibolites
          iimr                 granulites
          iims                 green schists
          iimt                 blue schists
          iimu                 quartzites  ↞ ibstb quartz
          iimy                 zeolites
          iis            sedimentary rocks  ↞ ian 
          iisbWc                 rudites
          iisbWm                 clastic rocks
          iisb                 breccias
          iisc                 conglomerates
          iisd                 sandstones; arenites  
          iisdar                           arenites
          iisdaw                           wackes
          iisdb                      quartz sandstones
          iisdf                      feldspathic sandstones
          iisdɭ                      lithic sandstones
          iish                 mudrocks; lutites; shales
          iishi                      siltstones
          iishm                      mudstones
          iishy                      claystones
          iisɭWn                 carbonate rocks  ↞ ibm carbonate minerals
          iisɭWs                 biochemical sedimentary rocks
          iisɭ                 limestones  
          iisɭb                      boundstones
          iisɭf                      framestones
          iisɭi                      binstones
          iisɭk                      bafflestones
          iisɭm                      rudstones
          iisɭo                      floatstones
          iisɭq                      grainstones
          iisɭt                      packstones
          iisɭw                      wackestones
          iisɭy                      carbonate mudstones
          iism                 dolostones; dolomite rocks
          iiso                 coal
          iisoe                      peat
          iisog                      lignite
          iisok                      sub-bituminous coal
          iisom                      bituminous coal
          iisos                      steam coal
          iisot                      anthracite
          iisr                 chert
          iistWv                 chemical sedimentary rocks
          iist                 oolitic limestones
          iisv                 evaporite rocks
          ikWp       rock units  [lithostratigraphy]
          ik       rock beds
          ikb            parallel beds
          ikc            cross beds
          ikg            graded beds
                 rock members
          im       rock formations; geological formations  [regional geology (partim)]
          im7Cf                      faults
          imb            plutons  ↞ iii igneous rocks
          imbb                 batholiths
          imbc                 stocks
          imbd                 dikes; dykes
          imbi                 sills
          imbɭ                 laccoliths
          imbp                 lopoliths
          imv            ophiolites
          imy            flysches  ↞ iis sedimentary rocks
          io       rock subgroups
          ip       rock groups  [regional geology (partim); structural geology]
          ipc            coastal plains
          iph            horizontal layers
          ipm            domes; basins
          ipmc                 carsism
          ipo            folds
          ipq            faulted blocks
          ipr            homogeneous crystalline masses
          ipt            layered metamorphic rocks
          ipx            complex structures
          iq       rock supergroups
          is       crust structural zones
          isc            cratons
          isf            rift valleys
          isg            oceanic ridges; mid-ocean ridges
          iso            oceanic plates
          iss            subduction zones; ocean deeps
          it       tectonic plates  [plate tectonics]  ↞ hUal 
          it7Cn                      convergent boundaries
          it7Cr                      divergent boundaries
          it7Ct                      transform boundaries; transform faults
          itt            plates of the Earth  ↞ hU the Earth
          ittc                 Columbia; Nuna  
          ittczr                 Rodinia  
          ittd                 Pannotia; Greater Gondwana; Vendian; Pan-African supercontinent  
          itte                 Pangaea; Palaeozoic plate
          ittgWh                 Mesozoic plates
          ittg                 Gondwana  ↞ itte Pangaea
          itth                 Laurasia  ↞ itte Pangaea
          ittiWy                 plates of the contemporary Earth
          itti                 African plate  ↞ ittg Gondwana
          ittk                 Eurasian plate  ↞ ittk Eurasian plate
          ittm                 Arabic plate  ↞ ittg Gondwana
          ittn                 Indo-Australian plate  ↞ ittg Gondwana
          itto                 Philippine plate
          ittp                 Pacific plate
          ittr                 Nazca plate
          itts                 Cocos plate
          ittu                 Caribbean plate
          ittv                 Northern American plate; Laurentia  ↞ itth Laurasia
          ittw                 Southern American plate  ↞ ittg Gondwana
          itty                 Antarctican plate  ↞ ittg Gondwana
          uUdh(91px)i                                     Midi-Pyrénées
          uUdi(91px)i                                     Aquitaine
Connected classes:
                 18  [i1]      in age; geological era
                 hU7r                crust  ↞ i 
                 i5k           magmatism; magma or lava solidification; freezing  ↞ ig 
                 i83v                7; quartz hardness  ↞ ibstb 
                 i91  [i1]           formed in era
                 ibU  [ibsta]           quartz
                 idgo                obsidian  ↞ i5cem 
                 idp           petroleum  ↞ ibxc 
                 ig      magma  ↞ i5cem 
                 iii           igneous rocks; magmatic rocks; eructive rocks  ↞ iak 
                 iim           metamorphic rocks  ↞ iam 
                 iimu                quartzites  ↞ ibstb 
                 iis           sedimentary rocks  ↞ ian 
                 iisɭWn                carbonate rocks  ↞ ibm 
                 imb           plutons  ↞ iii 
                 imy           flysches  ↞ iis 
                 ittg                Gondwana  ↞ itte 
                 itth                Laurasia  ↞ itte 
                 itti                African plate  ↞ ittg 
                 ittk                Eurasian plate  ↞ ittk 
                 ittm                Arabic plate  ↞ ittg 
                 ittn                Indo-Australian plate  ↞ ittg 
                 ittv                Northern American plate; Laurentia  ↞ itth 
                 ittw                Southern American plate  ↞ ittg 
                 itty                Antarctican plate  ↞ ittg 
                 j land; landforms; regions; geographical features  [physical geography; topography; geomorphology]  ↞ i 
                 j13  [i1]           formed in era
                 j4      earthquakes; quakes; tremors; temblors  [seismology; seismic]  ↞ it 
                 jd      mountains; hills; ridges; ranges  [orography]  ↞ isax 
                 jdc           volcanic mountains  ↞ iac 
                 jji           rift valleys  ↞ it 
                 jr      glaciers; glacial systems  [glaciology]  ↞ ibeb 
                 jsɭb                tectonic lakes  ↞ it 
                 jsɭc                volcanic lakes  ↞ iac 
                 jwo           volcanic islands  ↞ iac 
                 m91  [i1]           lived in; existed in era  [palaeontology]
                 n13  [i1]           appeared; originated in period
                 n134  [i1]                extincted in period
                 n181  [i1]                in era
                 ny7Ch                     abiotic components  ↞ j i f 
                 r5f           lithic technology; Stone Age  ↞ ii vdb 
                 r9e           stone  ↞ ii 
                 r9f           nonmetallic mineral product  ↞ iis 
                 r9fg                glass  ↞ ibs  
                 r9it                asbestos fiber  ↞ ibs 
                 r9pc                coal  ↞ iiso 
                 r9pe                petroleum; crude oil  ↞ ibxc 
                 rq      mines; quarries; extraction plants   [mining]  ↞ i 
                 rq77  [i]                extracting mineral or rock
                 rtcg                ceramics and glass crafts  ↞ iis 
                 w1      in historical period; calendar time; epoch  ↞ i1uh bbxprsvxw 
                 wrn           naturalism  ↞ g h i j k l m 
                 yssj                geology; petrography  ↞ i 

current: 99 



Move to another main class:
      a  b  c  d  e  f  g  h  i  j  k  l  m  n  o  p  q  r  s  t  u  v  w  x  y


or insert a term  and do a new

Facets key
0  as for perspective +
1  at time            +
2  in place           +
3  by agent           +
4  opposed to         +
5  undergoing change  +
6  having property    +
7  with part          +
8  in quantity        +
9  of quality         +


ILC developing version. Expanded class i / — ISKO Italia <> : 2006.03.06 - 2021.12.09 -