Earth & Environmental Sciences
Silurian
100%
chemostratigraphy
97%
oxygen isotope
96%
conodont
95%
stable isotope
86%
analcime
75%
Laurentia
75%
geochemistry
74%
pluton
73%
petrology
71%
biostratigraphy
65%
batholith
59%
mountain
51%
zeolite
49%
volcano
48%
ruby
43%
magma
43%
hydrogen isotope
37%
plume
37%
rock
29%
phenocryst
27%
fractionation
26%
mantle plume
26%
Caledonian orogeny
26%
carbon isotope
25%
carbonate
25%
SNC meteorite
25%
igneous rock
23%
lake
22%
ooid
22%
water
22%
isotope
21%
tufa
21%
strontium isotope
20%
ordinary chondrite
20%
Eocene
20%
emplacement
19%
volcanic eruption
19%
isotopic composition
18%
lead isotope
18%
Jurassic
18%
geology
17%
mordenite
14%
Permian
13%
glacier
13%
isotopic ratio
13%
weathering
12%
oxygen
12%
experimental study
12%
laboratory
12%
Cretaceous
12%
Pleistocene
11%
oxygen isotope ratio
11%
shield volcano
10%
dike
10%
rhyolite
10%
crystal chemistry
10%
chondrite
10%
trondhjemite
10%
iron
10%
salina
9%
hydrosphere
9%
anatexis
9%
eolian deposit
9%
playa
9%
biosolid
9%
ignimbrite
9%
tonalite
9%
arid environment
9%
bear
9%
Physics & Astronomy
petrology
27%
rock intrusions
23%
rocks
19%
crusts
18%
strontium isotopes
14%
igneous rocks
13%
Iceland
13%
lead isotopes
12%
geochemistry
12%
mountains
12%
Norway
11%
volcanoes
10%
biotite
10%
ruby
9%
volcanology
9%
Earth mantle
9%
minerals
8%
plumes
7%
magnetite
6%
granite
6%
arcs
6%
signatures
6%
intrusion
6%
lakes
6%
plagioclase
5%
iron
5%
basalt
5%
mica
5%
craters
5%