Earth and Planetary Sciences
United States of America
100%
Pennsylvanian
70%
Svalbard
67%
Early Cretaceous
58%
Coal Seam
58%
Aptian
49%
Lower Cretaceous
46%
Carbon 14
42%
Ikaite
42%
Subsidence
42%
Mire
42%
Foreland Basin
39%
Sea Level
37%
Shallow Water
37%
Water Table
37%
Volcanism
31%
Global Climate Change
31%
Barremian
31%
Systems Tract
28%
Kentucky
27%
Paleogene
25%
Turbidite
23%
London
23%
Flood Plain
23%
Cretaceous-Tertiary Boundary
23%
Bituminous Coal
21%
Vitrinite
21%
Sequence Stratigraphy
21%
Sand Ridge
21%
Feed System
21%
Cyclothem
21%
Breccia
21%
Air Temperature
21%
Active Margin
21%
Progradation
21%
Late Jurassic
21%
Inertia
21%
Slope Failure
21%
Namurian
21%
Westphalian
21%
Wales
21%
Mass Transfer
21%
Millstone Grit
21%
Carbon Cycle
21%
Petroleum System
21%
Turbidity Current
21%
Stratigraphy
19%
Aggradation
17%
Albian
17%
Tectonics
16%