Physics & Astronomy
Italy
100%
carbonates
94%
isotopes
72%
signatures
67%
fluids
49%
fossils
41%
outcrops
38%
methane
34%
hydrocarbons
28%
oxygen isotopes
21%
fractionation
18%
water
17%
cements
16%
carbon isotopes
11%
seepage
11%
volcanoes
10%
mud
10%
sediments
9%
gas composition
9%
oxygen
9%
plains
8%
occurrences
6%
porosity
5%
carbon
5%
Earth & Environmental Sciences
stable isotope
71%
carbonate
55%
fluid
48%
methane
29%
cold seep
21%
outcrop
19%
hydrocarbon reservoir
17%
Pleistocene
17%
fossil
16%
oxygen isotope
14%
Miocene
12%
cement (construction material)
11%
hydrocarbon
10%
mud volcano
9%
oxygen
9%
isotopic fractionation
9%
methanogenesis
8%
fossil record
7%
marine sediment
7%
carbon isotope
7%
seepage
7%
dolomite
6%
water
6%
Pliocene
6%
porewater
6%
fractionation
6%
plain
5%
cold
5%
well
5%
carbon
4%
gas
3%