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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Geology 
Antarctic drilling
Earth science; Geology
An ambitious plan to explore a vast lake trapped beneath the Antarctic ice is a step closer to becoming reality. An advance party has braved freezing temperatures to set up vital ...
clast
Earth science; Geology
A fragment of a pre-existing rock or fossil embedded within another rock.
cave system
Earth science; Geology
A cave or caves having a complex network of interconnected chambers and passages that constitute an underground drainage system.
cementation
Earth science; Geology
Process by which a binding, or cementing, agent is precipitated in spaces among individual particles of a deposit. Common cementing agents are calcite, quartz, and dolomite.
ground water
Earth science; Geology
Water found beneath the Earth's surface where all empty space in the rock is completely filled with water.
discharge
Earth science; Geology
In a stream, the volume of water passing through a channel in a given time.
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)