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What else can I help you with?
Why doesn't Minnesota have major earthquakes or volcanoes?
because there is no tectonic plate under Minnesota, no plates are ever moving over MN, thus making it hard to get an earthquakes and volcanoes usually occur @ the edge of plates
What is responsible for earthquakes and volcanoes?
Pressure under ground is responsible for volcanoes.
Do earthquakes happen everywhere volcanoes are?
They do occur where volcanoes are, but it is not because of the volcanoes itself. It is because under the earth's surface there are tectonic plates (plates that make up the earth's crust) that shift, and occasionally collide into one another. This is what causes the ground to shake. This shaking is what we interpret as earthquakes.
Where do earthquakes and volcanos occur?
Volcanoes tend to form at convergent tectonic plate boundaries where subduction is occurring (such as the western coast of South America) and at divergent plate boundaries where two tectonic plates are moving apart (e.g. the Mid-Atlantic-Ridge and Iceland). Earthquakes also occur at convergent boundaries and in fact these tend to cause the strongest earthquakes. Earthquakes also occur at transform boundaries (such as the San Andreas fault) however these do not tend to cause the formation of volcanoes. So to find volcanoes and large earthquakes you should be looking at convergent plate boundaries where subduction is occurring.
What causes volcanoes to erupt under earths surface?
mostly earthquakes or plate tectonic movement.
Where regional (prograde) occur?
Retrograde metamorphism involves the reconstitution of a rock via revolatisation under decreasing temperatures (and usually pressures),
What are the 4 ways by which metamorphism may occur?
Metamorphism can occur through contact metamorphism, where rocks are altered by heat from nearby magma; regional metamorphism, where rocks are subjected to high pressure and temperature over a large area; burial metamorphism, where rocks are subjected to increased pressure from being buried deep underground; and dynamic metamorphism, where rocks are deformed under high pressure but low temperature conditions along faults or shear zones.
What type of metamorphism contact or regional would result in a schist explain your choice?
Regional metamorphism would result in the formation of schist. Schist is a metamorphic rock that forms under high pressure and temperature conditions over a large area, which is characteristic of regional metamorphism. This process causes the original minerals in the rock to recrystallize into new minerals, giving schist its foliated texture.
What are 3 types of metamorphism and explain how they are different?
The three main types of metamorphism are contact metamorphism, regional metamorphism, and dynamic (or shear) metamorphism. Contact metamorphism occurs when rocks are heated by nearby molten magma, leading to localized changes in mineralogy and texture. Regional metamorphism happens over larger areas under high pressures and temperatures, typically associated with tectonic forces, resulting in more widespread and pronounced metamorphic changes. Dynamic metamorphism involves the alteration of rocks due to intense pressure, often during fault movements, which primarily affects the rock's texture without significant heat influence.
Regional metamorphism of limestone produce?
Regional metamorphism of limestone can produce marble, a metamorphic rock with crystalline structure and interlocking grains. This process involves the recrystallization of the limestone minerals under high temperature and pressure, resulting in the formation of a more compact and durable rock with distinct colors and patterns.
When rocks stack up on each other what metamorphism happens?
When rocks stack on top of each other, particularly under significant pressure, the process of regional metamorphism can occur. This type of metamorphism typically happens over large areas, often associated with tectonic forces that create mountain ranges. The increased pressure and temperature cause changes in the mineral composition and texture of the rocks, resulting in the formation of metamorphic rocks such as schist or gneiss.
What is the difference between thermal metamorphism and regional metamorphism?
thermal is when the rock is metamorphosed by heat more than pressure. regional is the opposite. so if a rock is close to the surface and gets metamorphosed next to a pluton, it is mainly heat (its not very deep, so there is not a lot of pressure, but it gets a lot of heat from the pluton). but if a rock is very deep and far from any magma, it will be under a lot of pressure, but not a lot of heat. so thus, regional metamorphism.
Is gneiss contact or regional metamorphism?
whatever the f*** it is, nobody gives a darn
What rock is only formed by regional metamorphism?
Schist is a type of rock that is primarily formed through regional metamorphism. This process occurs over large areas under high pressure and temperature, typically associated with tectonic forces. Schist is characterized by its well-developed foliation and often contains visible mineral grains, such as mica, which give it a shiny appearance. Other metamorphic rocks can form through different processes, but schist is distinctly linked to regional metamorphism.
What are the difference between regional metamorphosm and contact metamorphism?
Regional metamorphism occurs over large areas under high pressure and temperature, typically associated with tectonic forces and mountain-building processes, resulting in extensive geological changes. In contrast, contact metamorphism happens on a smaller scale, primarily due to the heat from nearby magma or lava, affecting rocks in close proximity to the heat source. While regional metamorphism produces foliation and a variety of metamorphic rocks, contact metamorphism generally results in non-foliated rocks like marble and quartzite. The primary difference lies in the scale and causes of metamorphism: one is driven by large-scale geological processes, while the other is localized and temperature-focused.
Which sedimentary rock is most likely to be changed to slate during regional metamorphism?
Shale is the most likely sedimentary rock to be changed into slate during regional metamorphism. Shale is a fine-grained sedimentary rock composed of clay minerals, which are easily recrystallized under heat and pressure to form the dense, foliated texture characteristic of slate.
Are volcanoes made by plates sliding away from each other?
Many are but many others are not. Most volcanoes on land occur where two plates press into each other and one slide slides under the other. Some volcanoes occur at hot spots, which are not related to plate boundaries.
