8 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
Foliation
Earth science; Geology
A planar structure that develops in metamorphic rocks as a result of directed pressure.
Freeze-thaw cycle
Earth science; Geology
In colder temperate regions, water trapped in fractures and between grains of rocks repeatedly freezes, then thaws during the winter months. In some areas this occurs on a daily basis as water ...
Gneiss
Earth science; Geology
A coarse, foliated metamorphic rock in which bands of granular minerals (commonly quartz and feldspars) alternate with bands of flaky or elongate minerals (e.g., micas, pyroxenes). Generally less ...
Glacier outburst flood
Earth science; Geology
A sudden release of melt water from a glacier or glacier-dammed lake sometimes resulting in a catastrophic flood, formed by melting of a channel or by subglacial volcanic activity.
Frost wedging
Earth science; Geology
A process that mechanically breaks apart rock caused by expansion of water as it freezes in cracks and crevices.
Fumarole activity
Earth science; Geology
Volcanic gas emissions, that may be accompanied by a change in the temperature of the gases or fluids emitted.
