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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 
escarpment
Earth science; Geology
A long, more or less continuous cliff or relatively steep slope facing in one general direction, produced by erosion or faulting.
esker
Earth science; Geology
A winding ridge of stratified drift . Forms in a glacial tunnel and, when ice melts, stands as ridge up to 15 m high and kilometers in length.
volcanic extrusive rocks
Earth science; Geology
Magma that erupts onto the surface is called lava. It cools very quickly because the temperature at the surface is relatively low, and crystals will probably cease growth because ...
fault-bounded troughs
Earth science; Geology
A long linear depression defined and bordered by a crack or break in the crust of a planet along which slippage or movement can take place.
feldspars
Earth science; Geology
A group of abundant rock forming minerals of the general formula: MAl(Al,Si) 3 O 8 , where M can be K,Na,Ca,Ba,Rb,Sr, or Fe. Feldspars are the most widespread of any mineral group ...
ferromagnesian
Earth science; Geology
Containing iron and magnesium, applied to the mafic minerals. Example: olivine.
flood basalts
Earth science; Geology
A term applied to those basaltic lavas that occur as vast composite accumulations of horizontal or sub-horizontal flows, which, erupted in rapid succession over great areas, have ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)