|
(9)
natural gas
,
petroleum
,
reclamation/revegetation/restoration
...
|
|
(2)
geothermal energy
,
geothermal temperature
...
|
|
|
(22)
biogeochemical processes
,
geochemical properties
,
marine geochemical processes
...
|
|
(26)
control surveys
,
crustal motion
,
gravitational field
,
gravity
,
satellite orbits/revolution
...
|
|
|
(4)
coordinate reference system
...
|
|
(47)
age determinations
,
bedrock lithology
,
elements
,
igneous rocks
,
metals
...
|
|
|
(52)
electrical field
,
geomagnetic forecasts
,
geomagnetic indices
,
magnetic field
,
paleomagnetism
...
|
|
(65)
earthquakes
,
plate tectonics
,
volcanic activity
...
|
|
|
(4)
aeolian landforms
,
coastal landforms
,
fluvial landforms
,
glacial landforms
,
karst landforms
...
|
|
|
