INIS
shales
57%
data
39%
fossils
29%
sea level
27%
usa
27%
gondwana
25%
limestone
22%
jordan
21%
illinois
18%
hydrocarbons
18%
boreholes
17%
range
15%
argentina
14%
bolivia
14%
applications
13%
curves
13%
source rocks
13%
reviews
13%
levels
11%
resolution
10%
libya
10%
environment
10%
africa
10%
affinity
9%
iraq
9%
zones
9%
lasers
9%
isotopes
9%
paleontology
9%
deposition
9%
fluorescence
9%
water
9%
disturbances
9%
geometry
9%
united kingdom
9%
new york
9%
ohio
9%
england
9%
stratigraphy
9%
spine
9%
units
8%
sediments
7%
palynology
7%
abundance
7%
correlations
6%
cutting
6%
dating
6%
values
6%
schools
6%
locality
6%
Earth and Planetary Sciences
Silurian
100%
Graptolite
39%
Llandovery
37%
Jordan
25%
Sea Level
23%
Biostratigraphy
22%
Gondwana
22%
United States of America
18%
Paleozoic
18%
Source Rock
18%
Middle Devonian
18%
Acritarch
14%
Sea Level Change
13%
Borehole
12%
Libya
12%
Early Devonian
11%
Late Ordovician
11%
Northern Africa
11%
Conodont
10%
Bolivia
10%
Palynology
10%
Argentina
10%
New Species
9%
Illinois
9%
Iraq
9%
Environmental Science
9%
Ordovician
9%
Germany
9%
Sequence Stratigraphy
9%
Salinity
9%
England
9%
Earth Sciences
9%
Wales
9%
Micropaleontology
9%
Ohio
9%
Palaeontology
9%
Microfossil
9%
New York
9%
Locale
7%
Shallow Water
7%
Biozonation
7%
Zonation
6%
Organic Matter
6%
Fungi
5%
Sea Bed
5%