Subject
organic geochemistry
18
geochemistry
12
petroleum geology
8
petroleum geochemistry
7
geochemical migration
5
isotope geochemistry
5
soil chemistry
5
geochemical cycle
4
lake sediment
4
paleoclimatology
4
petroleum deposit
4
petroleum formation
4
soil pollution
4
soil science
4
petrology
3
soil surface
3
soil water
3
drilling
2
ecological microbiology
2
ecology
2
ecosystem
2
geochemical prospecting
2
geologic structure
2
hydrocarbon
2
marine sediment
2
organic chemistry
2
organic matter
2
petroleum
2
petroleum exploration
2
petroleum migration
2
sediment
2
sedimentary petrography
2
sedimentation
2
soil biology
2
soil mechanics
2
soil protection
2
source rock
2
stable isotope
2
stratigraphy
2
terpene
2
well logging
2
Chernobylsk 4 reactor
1
alga
1
aniline
1
applied geophysics
1
bituminous shale
1
carbonate mineral
1
carbonate rock
1
chemical analysis
1
climatic change
1
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