|
(3)
natural gas
,
petroleum
...
|
|
(3)
geothermal energy
,
geothermal temperature
...
|
|
|
(21)
geochemical processes
,
geochemical properties
,
marine geochemical processes
...
|
|
(2)
crustal motion
,
gravitational field
...
|
|
|
(14)
electrical field
,
geomagnetic indices
,
magnetic field
,
paleomagnetism
,
reference fields
...
|
|
(36)
age determinations
,
bedrock lithology
,
elements
,
igneous rocks
,
metamorphic rocks
...
|
|
|
(5)
aeolian landforms
,
coastal landforms
,
glacial landforms
...
|
|
(33)
earthquakes
,
plate tectonics
,
volcanic activity
...
|
|
|
|
