Physics & Astronomy
alkanes
4%
beaches
6%
biomarkers
11%
boreholes
78%
carbon
5%
forest fires
7%
gases
2%
geochemistry
100%
highlands
7%
histories
3%
margins
4%
marine environments
6%
oils
8%
outcrops
22%
phenanthrene
6%
polar regions
71%
polycyclic aromatic hydrocarbons
5%
reflectance
6%
rivers
51%
sandstones
11%
sedimentary rocks
7%
sediments
75%
shales
6%
shorelines
7%
signatures
3%
Wales
89%
Earth & Environmental Sciences
alkane
6%
basin
31%
beach
5%
biomarker
13%
borehole
49%
carbon
3%
depositional environment
13%
dibenzofuran
8%
distribution
4%
forest fire
7%
gas
3%
geochemical method
9%
history
3%
loss
3%
marine environment
6%
oil
8%
organic geochemistry
82%
organic matter
9%
outcrop
17%
overburden
13%
PAH
5%
parameter
4%
Permian
54%
phenanthrene
7%
relative abundance
6%
river
30%
sandstone
10%
sediment
29%
sedimentary rock
6%
shale
5%
shoreline
6%
siltstone
29%
thermal maturity
42%
total organic carbon
6%
vitrinite reflectance
16%