Earth & Environmental Sciences
stratotype
100%
Paleocene
79%
Eocene
68%
Paleocene-Eocene boundary
38%
anoxic conditions
25%
pyrite
23%
euxinic environment
19%
submarine channel
19%
anomaly
17%
carbonate
17%
chemical weathering
14%
barium
14%
oxic conditions
13%
microbial activity
12%
kaolinite
12%
stable isotope
11%
weathering
10%
carbon dioxide
10%
organic carbon
10%
phosphorus
9%
crystal
9%
productivity
9%
erosion
8%
surface water
8%
organic matter
8%
atmosphere
7%
ocean
7%
laboratory
6%
parameter
4%
Agriculture & Biology
Egypt
80%
heat
43%
pyrite
37%
weathering
31%
carbonates
29%
anaerobic conditions
26%
kaolinite
18%
barium
16%
surface water
14%
aerobic conditions
14%
organic carbon
14%
oceans
13%
stable isotopes
13%
microbial activity
13%
organic matter
11%
crystals
11%
carbon dioxide
10%
phosphorus
9%
sampling
4%