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Which event followed a massive volcanic eruptionand led to the cooling of global temperatures?
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Why do you suppose volcanic eruptions would affect temperatures?
Volcanic eruptions either lower or increase temperatures. When volcanoes explode, the gases and particles that are emitted into the air such as ash and sulfur dioxide, have a cooling effect by reflecting sunlight away from the Earth. Carbon dioxide, on the other hand, causes warming by adding to the greenhouse effect.
What is the difference between plutonic rocks and volcanic rocks?
Both are igneous rocks, but whereas volcanic rocks are formed from cooling lava on the surface, plutonic rocks are formed from cooling magma below the surface. So plutonic rock is an igneous intrusive rock, while volcanic rock is extrusive.
Is volcanic rock igneous sedimentary or metamorphic and why?
Volcanic rock is igneous. This is because rock that forms fromt the cooling of molten material is the very definition of igneous rock.
Overall cooling of earth's climate is associated with what?
Clouds of dust and ash in the atmosphere from a huge volcanic eruption.
Are volcanic rocks fine grained?
yes because of fast cooling rate
How magmas evolve?
Where magma erupts on the surface of the earth, temperatures are lower and cooling of the magma takes place much more rapidly. This is the extrusive or volcanic environment and results in extrusive or volcanic igneous rocks.
Why do you suppose volcanic eruptions would affect temperatures?
Volcanic eruptions either lower or increase temperatures. When volcanoes explode, the gases and particles that are emitted into the air such as ash and sulfur dioxide, have a cooling effect by reflecting sunlight away from the Earth. Carbon dioxide, on the other hand, causes warming by adding to the greenhouse effect.
What type of scientists most likely to study the cooling of lava after a volcanic eruption?
A vulcanologist is most likely to study the cooling of lava after a volcanic eruption
What does volcanic ash do to world temperatures?
Volcanic ash can have a cooling effect on world temperatures. When volcanic eruptions release large amounts of ash into the atmosphere, it can block sunlight and reduce the amount of solar radiation that reaches the Earth's surface. This can lead to a short-term cooling effect known as volcanic winter. However, the exact impact on temperatures depends on the magnitude and duration of the eruption.
What is true about volcanic glass?
Volcanic glass is the amorphous (uncrystallized) product of rapidly cooling magma.
Rocks formed from the cooling lava of volcanic eruptions are?
igneous
What is the difference between plutonic rocks and volcanic rocks?
Both are igneous rocks, but whereas volcanic rocks are formed from cooling lava on the surface, plutonic rocks are formed from cooling magma below the surface. So plutonic rock is an igneous intrusive rock, while volcanic rock is extrusive.
Where is the giant 's causeway?
It is a volcanic structure in Ireland formed by slowly cooling magma in a volcanic pipe. There is a predominance of hexagonal jointing due to the slow cooling to make pillars of basalt. -firstmate-
How does volcanic ash affect global warming?
Volcanoes can cause a slight warming effect because of their carbon dioxide emissions, and a somewhat greater, but short-term, cooling effect due to particulate emissions. Apart from the short-term cooling effect, volcanoes are not considered to have a significant effect on temperatures, compared to the effect from human activities.
What type of scientist is most likely to study the cooling of after a volcanic eruption?
geologist
What causes volcanic rock to have no crystals?
rapid cooling, so that crystals do not form.
What type of scientist is most likely to study the cooling of lava after a volcanic eruptions?
geologist
