20 Terms
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Geology
The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.
Industry: Earth science
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Geology
Atomic nucleus
Earth science; Geology
The central, massive part of an atom consisting of protons and neutrons.
Nucleosynthesis
Earth science; Geology
The creation of new elements in nuclear reactions (Kuhn, 1998).
Pulsar
Earth science; Geology
A celestial object of small angular size that emits pulses of radio waves with a regular period between about 0.03 and 5 seconds.
Polar ice caps
Earth science; Geology
Stacks of layered sediments and ice on Mars which are at least 4-6km thick in the north and 1-2km thick in the south. Cratered plains surround the ice caps and seem to extend beneath them, indicating ...
Polar dune fields
Earth science; Geology
A vast "sea" of sand dunes on Mars that surrounds the north polar cap. The dunes are classic forms known as barchan dunes, small, crescent-shaped hills, and transverse dunes, with ridges that ...
Quartz
Earth science; Geology
Crystalline silica, an important rock forming mineral, SiO 2 . It is, next to feldspar, the most common mineral, occurring either in transparent hexagonal crystals or in crystalline or ...
Radiative zone
Earth science; Geology
The inner 70% of the Sun's radius where heat from the fusion reaction is radiated toward the surface at temperatures of 1.5 x 10 7 K at the base of the zone to temperatures of 1.5 x 10 6 K at the ...
