Physics & Astronomy
anoxia
100%
biological diversity
19%
biomarkers
15%
carbonates
13%
cycles
7%
delivery
11%
eutrophication
22%
expansion
36%
extinction
48%
Italy
13%
limestone
15%
oceans
25%
output
6%
photics
18%
recovery
9%
sediments
28%
shales
16%
time measurement
9%
uranium
58%
uranium isotopes
92%
water
6%
weathering
33%
Earth & Environmental Sciences
anoxia
67%
anoxic sediment
14%
basin
5%
biomarker
10%
black shale
13%
bottom water
11%
carbonate
7%
emplacement
10%
eutrophication
10%
extinction
48%
fold
8%
global change
11%
Hettangian
33%
Jurassic
9%
limestone
8%
marine biodiversity
14%
marine sediment
11%
ocean
13%
photic zone
14%
province
7%
seafloor
9%
seawater
8%
sediment
5%
Triassic
49%
uranium
51%
uranium isotope
82%
weathering
18%
well water
13%
Chemical Compounds
Biological Marker
8%
Black
8%
Carbonate
7%
Eutrophication
14%
Isotope
49%
Reduction
4%
Weathering
11%