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What is oceanic crust and continental crust made of?
Oceanic crust is predominately made of basaltic rock with a thin layer of sedimentary rock on top. Continental crust is predominately made of granitic rock, with a thin layer of sedimentary rock covering much of the visible surface.
What would the earth look like if crust above sea level?
If all the crust above sea level were removed, the Earth would essentially resemble a giant ocean planet with no landmasses visible. The entire surface would be covered by water, leading to a vast global ocean.
What are 2 kinds of crust?
crust on a pizza (thin & thick) or the earth's crust
What layer of crust averages 25 miles in thickness?
Continental crust.
The majority of the Earth's crust is what type of crust?
The majority of the crust is oceanic crust, basaltic in nature.
Why is the crust barely visible on scaled drawings of the Earth's cross section?
The crust of the Earth varies from 5-70 km thick which when compared to the total radius of the Earth (6,360 km) is very small, accounting for between 0.07 and 1.1% of Earth's total radius. To put that into context, if the Earth was the size of a football (soccer ball), the oceanic crust would be the same thickness as one human hair (70 micrometres).
Why is the crust of earth barley visible on scaled drawing's?
Because by actual measurement, the "crust" of the earth, in relation to the size of the earth, is just about as thick as the skin of the apple in relation to the rest of the apple.
What is the relationship between the visible and non visible aprt of the crust?
Well, as the name implies, visible areas of the crust are areas that you can see. These are areas that are either very new, resulting from recent vulcanism; or areas which have been exposed by weathering and erosion. Non-visible parts of the crust are just that - not visible to the eye. This is either because they have formed recently, but many miles underground; or they are just too old to have been efficiently exposed by weathering and erosion.
What is oceanic crust and continental crust made of?
Oceanic crust is predominately made of basaltic rock with a thin layer of sedimentary rock on top. Continental crust is predominately made of granitic rock, with a thin layer of sedimentary rock covering much of the visible surface.
Are lean pockets a better choice than hot pockets?
yes, but barely, they tend to have more vegetables and a more healthy crust than hot pockets, but really they're both pretty bad for you.
Are the rocks that make up the ocean crust aphanitic?
Their surface is often quenched by the sea water so often at the surface they are, crystals will grow and be visible deeper in the rock.
What is the innermost part of the crust?
Oceanic crust:As the name already suggests, this crust is below the oceans. There, the crust is 4-7 miles (6-11 km) thick. The rocks of the oceanic crust are very young compared with the rocks of the continental crust. The rocks of the oceanic crust are not older than 200 million years. The material of which the oceanic crust consists is for the greater part tholeiitic basalt (this is basalt without olivine). Basalt has a dark, fine and gritty volcanic structure. It is formed out of very liquid lava, which cools off quickly. The grains are so small that they are only visible under a microscope. The average density of the oceanic crust is 3g/cm³.
What would the earth look like if crust above sea level?
If all the crust above sea level were removed, the Earth would essentially resemble a giant ocean planet with no landmasses visible. The entire surface would be covered by water, leading to a vast global ocean.
What is the topmost layer of Earth?
The Crust. the crust The crust!
What is an acrostic poem for holes?
H aving deep secrets below O minous darkness lurks L ight barely reaches the surface E mpty spaces fill the earth's crust S ilent and mysterious depths.
What is the most abundant in earth 's crust?
The majority of Earth's surface is covered in a veneer of sedimentary rock, making them the most visible surface rock.
What allows earth's crust to move?
The active earth's core continually recycles itself through subduction zones located around certain parts of the planet. The subduction zones are where one tectonic plate is being forced under another, thereby recycling the old crust. New crust is made at rift zones where magma is forced to the surface, cools and then becomes part of our visible (or underwater) earth surface.
