i
|
rocks; minerals and rocks [geology; planetary geology] ≈ DDC 550 |
i1
|
in era; period [geochronology; stratigraphy] ↞ ccx |
i1X
|
geological periods; stratigraphical systems |
i1c
|
Precambrian; >542 Ma |
i1d
|
Palaeozoic; 542-251 Ma |
i1e
|
Mesozoic; 250-65 Ma |
i1f
|
Tertiary; 65-1.7 Ma |
i1g
|
Quaternary; 1.7-0.01 Ma |
i31 []
|
from structural layer |
i52 []
|
radioactivity |
i5c
|
volcanism; volcanic activity [volcanology] |
i5k
|
magmatism; magma or lava solidification; freezing ↞ ig magma |
i5m
|
metamorphism |
i5n
|
sedimentation; deposition |
i5t
|
tectonic process |
i6
|
lustre; luster |
i68 []
|
colour |
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 |
i78 []
|
crystal structure; space group; symmetry group |
i79
|
fracture |
i7b
|
basal cleavage; pinacoidal cleavage |
i7c
|
cubic cleavage |
i7e
|
octahedral cleavage |
i7h
|
rhombohedral cleavage |
i7p
|
prismatic cleavage |
i7t
|
dodecahedral cleavage |
i83 []
|
hardness in Mohs scale |
i84 []
|
tenacity |
i91 []
|
formed in era |
i92 []
|
in region |
ib
|
minerals [mineralogy] ↞ gx crystals ≈ DDC 549 |
ibU []
|
quartz |
ibb
|
native elements |
ibc
|
sulfide minerals; sulphides; sulfides ↞ edq sulfur |
ibd
|
sulfosalt minerals ↞ edq sulfur |
ibe
|
oxide minerals; oxides ↞ fe oxides |
ibf
|
hydroxide minerals; hydroxides ↞ ecq oxygen ebb hydrogen |
ibh
|
halide minerals; halides ↞ eXr halogens |
ibm
|
carbonate minerals; carbonates ↞ eco carbon ecq oxygen |
ibn
|
nitrate minerals; nitrates ↞ ecp nitrogen |
ibo
|
sulphate minerals; sulphates; sulfates ↞ edq sulfur |
ibp
|
phosphate minerals; phosphates ↞ edp phosphorus |
ibr
|
borate minerals; borates ↞ ecn boron |
ibs
|
silicates ↞ edo silicon |
ibx
|
organic minerals ↞ eco carbon |
id
|
mineraloids |
idb
|
amber; resinite |
idg
|
glasses |
idp
|
petroleum ↞ ibxc mineral hydrocarbons |
ig
|
magma ↞ i5cem magmatic eruption |
igɭ
|
lava |
igt
|
tephra |
ii
|
single rocks; stones [petrology; petrography; lithology] ≈ DDC 552 |
iii
|
igneous rocks; magmatic rocks; eructive rocks ↞ iak |
iik
|
pyroclastic rocks; pyroclastics |
iim
|
metamorphic rocks ↞ iam |
iis
|
sedimentary rocks ↞ ian |
ik
|
rock beds |
ikb
|
parallel beds |
ikc
|
cross beds |
ikg
|
graded beds |
iɭ
|
rock members |
im
|
rock formations; geological formations [regional geology (partim)] |
imb
|
plutons ↞ iii igneous rocks |
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 |
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 |
itt
|
plates of the Earth ↞ hU the Earth |
Connected classes: |
18 [i1]
|
in age; geological era |
i5k
|
magmatism; magma or lava solidification; freezing ↞ ig |
i91 [i1]
|
formed in era |
ibU [ibsta]
|
quartz |
idp
|
petroleum ↞ ibxc |
ig
|
magma ↞ i5cem |
iii
|
igneous rocks; magmatic rocks; eructive rocks ↞ iak |
iim
|
metamorphic rocks ↞ iam |
iis
|
sedimentary rocks ↞ ian |
imb
|
plutons ↞ iii |
imy
|
flysches ↞ iis |
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 |
jwo
|
volcanic islands ↞ iac |
m91 [i1]
|
lived in; existed in era [palaeontology] |
n13 [i1]
|
appeared; originated in period |
r5f
|
lithic technology; Stone Age ↞ ii vdb |
r9b
|
stone ↞ ii |
r9f
|
bricks ↞ iis |
r9g
|
concrete ↞ iis |
rq
|
mines; quarries; extraction plants [mining] ↞ i |
rrg
|
ceramics and glass crafts ↞ iis |
w1
|
in historical period; calendar time; epoch ↞ i1gh bbxprsvxw |
wrn
|
naturalism ↞ g h i j k l m |