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What makes up 82 percent of earth's volume?
The Earth's mantle makes up about 82 percent of the planet's volume. The mantle is a layer of solid rock beneath the Earth's crust that extends down to about 1,800 miles below the surface. It is largely composed of silicate minerals rich in iron and magnesium.
What makes up earth's mantle?
The Earth's mantle is primarily composed of silicate minerals rich in magnesium and iron, such as olivine, pyroxene, and garnet. These minerals form a solid layer beneath the Earth's crust and extend to a depth of about 2,900 kilometers. The mantle experiences high temperatures and pressures, leading to convection currents that drive plate tectonics and other geological processes.
What elements make up the lower mantle of the earth?
The Earth's upper mantle is composed of rocks that have higher concentrations of mafic minerals (containing iron and magnesium) and lower in concentrations of the felsic minerals (aluminum and silica) than the rocks of Earth's crust.The concentrations of the above elements therefore mean that the Earth's mantle is composed of a series of minerals that are predominately calcium / iron / magnesium aluminum silicates.Such as:Olivine - (Mg,Fe)2SiO4Pyroxene - X(Si,Al)2O6, where X represents either calcium, sodium, iron or magnesiumSpinel - MgAl2O4Garnet - X3Y2(SiO4)3 where X and Y can be a mixture of aluminum, iron, calcium, manganese or magnesium.In the upper mantle, these minerals form the rocks types Peridotite, Dunite (Olivine-rich Peridotite), and Eclogite.
How much of the Earth's outermost 10 miles is composed of sedimentary rocks?
Sedimentary rocks make up the majority of the Earth's outermost layer, known as the crust. The Earth's crust is approximately 25 miles thick, with sedimentary rocks accounting for about 75% of this layer. Therefore, roughly 7.5 miles of the Earth's outermost 10 miles is composed of sedimentary rocks.
This layer of the crust averages 25 miles in thickness?
The layer you are referring to is the continental crust, which averages about 25 miles in thickness. It is the outermost solid shell of the Earth and is composed of various rocks, such as granite and sedimentary rocks.
How thick is the earth's mantle and what is it made of?
The Earth's mantle is approximately 2,900 kilometers (1,800 miles) thick. It is primarily composed of silicate minerals rich in magnesium and iron, including olivine, pyroxenes, and garnet.
What makes up 82 percent of earth's volume?
The Earth's mantle makes up about 82 percent of the planet's volume. The mantle is a layer of solid rock beneath the Earth's crust that extends down to about 1,800 miles below the surface. It is largely composed of silicate minerals rich in iron and magnesium.
What is the thickest layer of the earth and what is it made from?
The thickest layer of the Earth is the mantle, which extends about 2,900 kilometers (1,800 miles) below the Earth's surface. It is primarily composed of silicate minerals rich in iron and magnesium. The mantle exists in a semi-solid state, allowing for the slow movement of material, which drives plate tectonics and volcanic activity.
What kind of eruptions and speed of flow do high silica and low silica magmas have when they erupt as lava?
For eruptions it is explosive and for speed of flow it is 6 miles per hour. When the eruption as lava is 18 miles per hour.
What makes up earth's mantle?
The Earth's mantle is primarily composed of silicate minerals rich in magnesium and iron, such as olivine, pyroxene, and garnet. These minerals form a solid layer beneath the Earth's crust and extend to a depth of about 2,900 kilometers. The mantle experiences high temperatures and pressures, leading to convection currents that drive plate tectonics and other geological processes.
What Earth layer is between 3 to 30 miles thick?
The layer of Earth that is between 3 to 30 miles thick is the mantle. It lies beneath the crust and extends to about 1,800 miles deep. The upper part of the mantle is involved in tectonic activity and is partially molten, allowing for the movement of tectonic plates. The mantle is composed of silicate rocks rich in magnesium and iron.
What elements make up the lower mantle of the earth?
The Earth's upper mantle is composed of rocks that have higher concentrations of mafic minerals (containing iron and magnesium) and lower in concentrations of the felsic minerals (aluminum and silica) than the rocks of Earth's crust.The concentrations of the above elements therefore mean that the Earth's mantle is composed of a series of minerals that are predominately calcium / iron / magnesium aluminum silicates.Such as:Olivine - (Mg,Fe)2SiO4Pyroxene - X(Si,Al)2O6, where X represents either calcium, sodium, iron or magnesiumSpinel - MgAl2O4Garnet - X3Y2(SiO4)3 where X and Y can be a mixture of aluminum, iron, calcium, manganese or magnesium.In the upper mantle, these minerals form the rocks types Peridotite, Dunite (Olivine-rich Peridotite), and Eclogite.
What is the layer beneth the Earth's crust called?
The lithosphere. To be specific, the upper part of the lithosphere, known as the SIAL layer, because its greatly composed mainly of silica and alluminium.
What is the mantle mostly made up of?
The earth's mantle is not made of metal but is a mixture of many somewhat molten rocks, most as oxides, meaning the mantle may be more oxygen than metal. The metals it has the most of are magnesium, iron, and aluminum. There's also lots of silicon, which is not really a metal.
Summary of Lines composed a few miles above Tintern Abbey?
The poem entitled Lines Composed a Few Miles Above Tintern Abbey was written of 1798. Its summary is all about a man who had a spiritual relationship with nature and that this environment helped him become a better person.
What verse in Lines Composed a Few Miles Above Tintern Abbey is Not strict blank verse?
c
Earth's crust is a thin layer made of?
Earth's crust is made of sedimentary, metamorphic, and igneous rock. The continental crust is composed primarily of granitic rock and can be up to 45 miles thick. The oceanic crust is composed primarily of basaltic rock and can be up to 6 miles thick.
