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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 
amygdaloidal
Earth science; Geology
A textural term describing volcanic rocks that contain numerous amygdules.
andesite line
Earth science; Geology
The geographic boundary between rocks of the Pacific Basin, which are basaltic, and those around the rim of the basin, which are in part andesitic.
angle of reflection
Earth science; Geology
The angle at which a reflected ray of energy leaves a surface.
angle of refraction
Earth science; Geology
The angle at which a refracted ray of energy leaves a surface after passing through it.
angle of repose
Earth science; Geology
The maximum angle at which loose material will come to rest when added to a pile of similar material.
brittle
Earth science; Geology
Structural behavior in which a material deforms permanently by fracturing.
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)