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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 
barrier island
Earth science; Geology
A ridge of sand that runs parallel to the main coast but is separated from it by a bay or lagoon. Barrier islands range from 10 to 100 kilometers in length and from 2 to 5 ...
big bang
Earth science; Geology
One theory of the origin of the universe that proposes a tremendous release of energy (i.e.an explosion) called the "big bang" which initiated the formation of matter ...
blockbusting
Earth science; Geology
An American term related to estate agents. This is a process whereby the racial composition of an area is changed (i.e. from black to white) perhaps by introducing black families ...
bolide
Earth science; Geology
An extraterrestrial body in the 1-10-km size range, which impacts the earth at velocities of literally faster than a speeding bullet (20-70 km/sec = Mach 75), explodes upon ...
basin and range province
Earth science; Geology
This province extends from eastern California to central Utah, and from southern Idaho into the state of Sonora in Mexico. Within the Basin and Range province the Earth's crust ...
cataclasis
Earth science; Geology
A special type of metamorphism in which "weathering" involving mechanical processes along fault zones pulverizes mineral grains into smaller grains and dust. This type of ...
common types include
Earth science; Geology
A nun or nut buoy is conical in shape; a can buoy is squat and cylindrical above water and conical below water; a spar buoy is a vertical, slender spar anchored at one end; a bell ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)