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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

schist

Earth science; Geology

A strongly foliated, coarsely crystalline metamorphic rock, produced during regional metamorphism, that can readily be split into slabs or flakes because more than 50% of its ...

sea ice

Earth science; Geology

Any form of ice originating from the freezing of sea water, thus excluding icebergs.

sediment

Earth science; Geology

Generally, solid, fragmented material transposrted and deposited by wind, water, or ice, chemically precipitated from solution, or secreted by organisms, and that forms layers of ...

sedimentary

Earth science; Geology

A layered rock resulting from the consolidation of sediment, e.g. a clastic rock such as sandstone, a chemical rock such a salt, or an organic rock such as coal. Usually includes ...

shearing

Earth science; Geology

The motion resulting from stresses that cause or tend to cause contiguous parts of a body to slide relatively to each other.

shepherd satellites

Earth science; Geology

A shepherd moon is a satellite that constrains the extent of a planetary ring through gravitational forces.

shield

Earth science; Geology

A large region of exposed basement rocks, commonly with a very gently convex surface, surrounded by sediment covered platforms; e.g. Canadian Shield. Shield rocks are usually ...