s are the most dangerous because they are explosive and contain pyroclastic flows fast moving, hot flows of ash, gases and pyroclastics that can be very harmful to anything in its path; Calderas form as a result of the emptying of a magma chamber leaving a void, and with its own weight the top or side of the volcano
collapses; Mars, Venus, Io all have volcano
s; Tidal heating, internal primordial heat, radioactive heat, plumes of magma moving up are the reason why there are volcano
s on other planets/moons; How might a igneous rock get a porphyritic texture?- this happens with 2 phases of cooling, the first phase of which cools under Earth's surface, growing large crystals, then is rapidly erupted to surface and cooled quickly to form smaller crystals surrounding large ones; The processes leading up to the formation of a sedimentary rock include: weathering, erosion, deposition, burial, cementation, (sediments come from pre-existing rocks); Foliation is an alignment of mineral grains perpendicular to the primary stress direction, why does it form- forms as a result of metamorphism which involves stress being in one direction; displayed 300 characters
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s are the most dangerous because they are explosive and contain pyroclastic flows fast moving, hot flows of ash, gases and pyroclastics that can be very harmful to anything in its path; Calderas form as a result of the emptying of a magma chamber leaving a void, and with its own weight the top or side of the volcano
collapses; Mars, Venus, Io all have volcano
s; Tidal heating, internal primordial heat, radioactive heat, plumes of magma moving up are the reason why there are volcano
s on other planets/moons; How might a igneous rock get a porphyritic texture?- this happens with 2 phases of cooling, the first phase of which cools under Earth's surface, growing large crystals, then is rapidly erupted to surface and cooled quickly to form smaller crystals surrounding large ones; The processes leading up to the formation of a sedimentary rock include: weathering, erosion, deposition, burial, cementation, (sediments come from pre-existing rocks); Foliation is an alignment of mineral grains perpendicular to the primary stress direction, why does it form- forms as a result of metamorphism which involves stress being in one direction; displayed 300 characters
