-
121.
Cryosphere
Subjects
-
122.
Crystal growth
Subjects
Crystallization
-
123.
Crystalline rocks
Subjects
Rocks
-
124.
Cyclons
Subjects
MeteorologyWinds
-
125.
Cyclostratigraphy
Subjects
Stratigraphic geology
-
126.
Decontamination
Subjects
Chemical warfareCivil defense
-
127.
Deep-sea ecology
Subjects
Marine ecology
-
128.
Deltas
Subjects
Rivers
-
129.
Dendroclimatology
Subjects
ClimatologyPaleoclimatology
-
130.
Desertification
Subjects
Climatic changeClimatologyDesertsEffect of human beings on nature
-
131.
Deserts
Subjects
Natural areasSteppesPlainsArid regions
-
132.
Deterioration of materials
Subjects
Weathering
-
133.
Determinative mineralogy
Subjects
Mineralogy
-
134.
Devonian
Subjects
Paleozoic period
-
135.
Diagenesis
Subjects
GeologySedimentology
-
136.
Diapirs
Subjects
Domes (Geology)
-
137.
Dikes (Engineering)
Subjects
Hydraulic structures
-
138.
Dikes (Geology)
Subjects
Intrusions (Geology)
-
139.
Dinosaurs
Subjects
ArchosaursFossil reptiles
-
140.
Dolomite
Subjects
Carbonate rocks
-
141.
Domes (Geology)
Subjects
Structural geology
-
142.
Drift
Subjects
Sediments (Geology)
-
143.
Drinking water
Subjects
Non-alcoholic beverages
-
144.
Droughts
Subjects
Weather
Last updated dated: 21/02/2026