earthquake mechanisms
earthquake mechanisms Natural, artificial, or induced events that cause earthquakes. Natural mechanisms include rock falls and slides, spontaneous rock-bursts, volcanic explosions, and tectonic plate motions. Artificial and induced earthquakes can result from explosions (quarry blasts, pressure release below dam sites, nuclear bombs, etc.) or rock-bursts associated with pressure release due to mining, etc. Generally such stress releases are sudden, resulting in the release of seismic energy, but bradyseisms gradually release stress and thus do not result in an earthquake.
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mechanical weathering , mechanical weathering The in situ breakdown of rocks and minerals by a set of disintegration processes that do not involve any chemical alteration. T… Release , re·lease / riˈlēs/ • v. [tr.] 1. allow or enable to escape from confinement; set free: the government announced that the prisoners would be released.… Exfoliation , Exfoliation
Exfoliation is the term used to describe the peeling away of sheets of rock millimeters to meters in thickness from a rock's surface due… Metamorphic Rocks , Metamorphic rock is rock that has changed from one type of rock into another. The word metamorphic (from Greek) means “of changing form.” Metamorphic… Iron Ores , Rocks
Rocks are composed of minerals, which are natural inorganic (nonliving) substances with specific chemical compositions and structures. A rock m… Breccia , Breccia
Breccias are rocks composed of angular clasts (fragments). In monomictic breccias, clasts have the same composition, whereas polymictic brecc…
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earthquake mechanisms