Geo- og miljøvidenskab
mass extinction
95%
Ordovician
76%
euxinic environment
74%
Hirnantian
72%
extinction
69%
pyrite
43%
continental shelf
30%
indicator
29%
sea level
25%
sulfur isotope
19%
ocean
19%
oxygenation
18%
habitat loss
18%
nutrient cycling
18%
molybdenum
17%
transgression
16%
glaciation
16%
sea level rise
15%
carbon isotope
15%
deep water
13%
water column
13%
geochemistry
13%
organic carbon
12%
isotope
12%
cooling
11%
sulfate
11%
organism
11%
iron
10%
oxygen
10%
habitat
10%
rate
5%
water
5%
Fysik og astronomi
extinction
69%
pyrites
57%
sea level
54%
continental shelves
46%
pulses
40%
habitats
39%
oceans
29%
sulfur isotopes
24%
geochemistry
22%
carbon isotopes
21%
deep water
18%
nutrients
18%
oxygenation
17%
water
15%
China
15%
organisms
14%
sulfates
14%
molybdenum
13%
poles
12%
isotopes
11%
chemistry
11%
intervals
10%
iron
9%
cooling
9%
cycles
9%
carbon
9%
gradients
8%
expansion
8%
oxygen
8%
Kemiske forbindelser
Pyrite
100%
Redox Indicator
82%
Geochemistry
38%
Oxygenation
30%
Organic Carbon
30%
Nutrient
29%
Cooling
24%
Size Distribution
24%
Indicator
24%
Sulfate
20%
Column Like Crystal
16%
Chemistry
16%
Dioxygen
13%
Reduction
12%
Time
9%