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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 
volcanic glass
Earth science; Geology
Natural glass produced by the cooling of molten lava, or some liquid fraction of it, too rapidly to permit crystallization. Examples are obsidian, pitchstone, tachylyte, and the ...
volcanic plains
Earth science; Geology
Basaltic lava plains are the most widespread and voluminous features on Venus. The plains have been compared to the huge flood basalts on the Earth and the lunar Maria, but are ...
extrusive volcanic 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 ...
volcanic shields
Earth science; Geology
A volcano in the shape of a flattened dome, broad and low, built by flows of very fluid lava.
weathering
Earth science; Geology
The process by which Earth materials change when exposed to conditions at or near the Earth’s surface and different from the ones under which they formed. compare decomposition , ...
wind streaks
Earth science; Geology
Dark and light streaks thought to be caused by the removal of a thin veneer of dust, revealing a darker surface beneath.
wrinkle ridges
Earth science; Geology
A sinuous, irregular, segmented, apparently smooth elevation occurring within the borders of a mare region of the Moon’s surface characterized by dike-like outcrops, crest-top ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)