65 Terms
Home > Industry/Domain > Earth science > Geology
Geology
The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.
Industry: Earth science
Add a new termContributors in Geology
Geology
Moons
Earth science; Geology
Any of the 63 (so far known) smaller objects that revolve around the planets.
Phlogopite
Earth science; Geology
A magnesium rich mineral of the mica group: K(Mg,Fe) 3 AlSi 3 O 10 (OH,F) 2 . It is yellowish brown to brownish red and usually occurs in crystalline limestones as a result of dedolomization.
Phobos
Earth science; Geology
The irregularly shaped, dark coloured moon of Mars. Phobos is larger than its companion moon Deimos. Both orbit very close to Mars, have short periods of revolution (0.3 days for Phobos) and are ...
Peak-ring craters
Earth science; Geology
A central uplift characterised by a ring of peaks rather than a single peak; peak rings are typical of larger terrestrial craters above about 50 kilometres (30 miles) in diameter.
Permafrost
Earth science; Geology
Permanently frozen soil or subsoil, occurring in arctic, sub-arctic, and alpine regions. Its thickness ranges from 30 cm to > 1000 meters, and it underlies about 1/5 of the Earth's land area.
Photon
Earth science; Geology
The smallest possible amount of electromagnetic energy of a particular wavelength. This bundle or quanta of energy is called a photon.
Phanerozoic
Earth science; Geology
That part of geologic time represented by rocks in which the evidence of life is abundant, and includes the Cambrian and later time.
