Integrative Levels Classification

ILC developing version
Expanded class `i`

▽ ⌕ `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] ↞ `ccx`
▽ ⌕ `i1X`	geological periods; stratigraphical systems
▽ ⌕ `i1XX`	geological epochs; stratigraphical series
▽ ⌕ `i1XXX`	geological ages; stratigraphical stages
▽ ⌕ `i1c`	Precambrian; >542 Ma
▽ ⌕ `i1cd`	Hadean; 4550-4000 Ma
▽ ⌕ `i1ch`	Archean; 4000-2500 Ma
▽ ⌕ `i1cp`	Proterozoic; 2500-542 Ma
▽ ⌕ `i1dWy`	Phanerozoic; 542-0 Ma
▽ ⌕ `i1d`	Palaeozoic; 542-251 Ma
▽ ⌕ `i1dc`	Cambrian; 542-488 Ma
▽ ⌕ `i1dd`	Ordovician; 488-443 Ma
▽ ⌕ `i1di`	Silurian; 443-416 Ma
▽ ⌕ `i1dn`	Devonian; 416-359 Ma
▽ ⌕ `i1do`	Carboniferous; 359-299 Ma
▽ ⌕ `i1dp`	Permian; 299-251 Ma
▽ ⌕ `i1e`	Mesozoic; 250-65 Ma
▽ ⌕ `i1ed`	Triassic; 250-210 Ma
▽ ⌕ `i1ej`	Jurassic; 210-140 Ma
▽ ⌕ `i1er`	Cretaceous; 140-65 Ma
▽ ⌕ `i1f`	Tertiary; 65-1.7 Ma
▽ ⌕ `i1fbWɭ`	Paleogene; Palaeogene; Lower Tertiary; 65-23 Ma
▽ ⌕ `i1fb`	Paleocene; Palaeocene; 65-56 Ma
▽ ⌕ `i1fe`	Eogene; 56-33 Ma
▽ ⌕ `i1fɭ`	Oligocene; 33-23 Ma
▽ ⌕ `i1fmWp`	Neogene; 23-2.5 Ma
▽ ⌕ `i1fm`	Miocene; 23-5.3 Ma
▽ ⌕ `i1fmg`	Aquitanian; 23.0-20.4 Ma
▽ ⌕ `i1fmi`	Burdigalian; 20.4-15.9 Ma
▽ ⌕ `i1fmɭ`	Langhian; 15.9-13.8
▽ ⌕ `i1fms`	Serravallian; 13.8-11.6
▽ ⌕ `i1fmt`	Tortonian; 11.6-7.2 Ma
▽ ⌕ `i1fmw`	Messinian; 7.2-5.3 Ma
▽ ⌕ `i1fp`	Pliocene; 5.3-2.5 Ma
▽ ⌕ `i1fpn`	Zanclean; 5.3-3.6 Ma
▽ ⌕ `i1fpp`	Piacenzian; 3.6-2.5 Ma
▽ ⌕ `i1g`	Quaternary; 1.7-0.01 Ma
▽ ⌕ `i1ge`	Pleistocene; 2.5-0.01 Ma
▽ ⌕ `i1geg`	Gelasian; 2.5-1.8 Ma
▽ ⌕ `i1geɭ`	Calabrian; 1.8-0.78 Ma
▽ ⌕ `i1gen`	Ionian; 0.78-0.12 Ma
▽ ⌕ `i1get`	Tarantian; 0.12-0.01
▽ ⌕ `i1gh`	Holocene; 0.01-0 Ma ✍
▽ ⌕ `i31` `[hUa]`	from structural layer
▽ ⌕ `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
▽ ⌕ `i85` `[an]`	radioactivity
▽ ⌕ `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
▽ ⌕ `iɭ`	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`
`r9b`	stone ↞ `ii`
`r9f`	bricks ↞ `iis`
`r9g`	concrete ↞ `iis`
`r9it`	asbestos fiber ↞ `ibs`
`rq`	mines; quarries; extraction plants [mining] ↞ `i`
`rq77` `[i]`	extracting mineral or rock
`rq9b`	stone ↞ `ii`
`rq9ɭ`	coal ↞ `iiso`
`rq9o`	mineral oil ↞ `ibxc`
`rrg`	ceramics and glass crafts ↞ `iis`
`w1`	in historical period; calendar time; epoch ↞ `i1gh bbxprsvxw`
`wrn`	naturalism ↞ `g h i j k l m n`
`yssj`	geology; petrography ↞ `i`

specificity
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


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 <http://www.iskoi.org/ilc/no.php?no=i> : 2006.03.06 - 2021.12.09 -

ILC developing versionExpanded class i

ILC developing version
Expanded class `i`