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Iceland lies on the mid Atlantic ridge.
This is a constructive plate boundary where 2 oceanic tectonic plates are moving away from each other.
Magma is constantly brought to the surface which cools to form igneous rocks.
Obviously the world is not constantly growing with this new addition of crust.
As new crust is created at the ridge, crust at the other end of the plate is destroyed through a process known as subduction.
Like a conveyor belt with production in the middle and destruction at the edges.
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∙ 11y ago
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Explain why geologists say that all rock was originally igneous rock?
The oceanic plates of the crust are almost entirely basalt, an igneous rock. The continental crust in underlain by mostly granites, also igneous.
Is granite metamorphic sedimentary or igneous?
igneous. Made from slowly cooling magma. :)
What kind of a rock is an intrusion made of?
igneous rock
Why aren't igneous rocks affected by lava?
Igneous rocks aren't affected by lava because they are made of cooled lava.
A rock made from cooled magma or lava?
Igneous rock is formed from solidified and cooled magma or lava.
What types of rock are mid ocean ridges made of?
The mid-ocean ridges are made almost entirely of basalt, because this is where new oceanic lithosphere is being formed. In fact, oceanic plates in there entirety are made up almost entirely of basalt.(igneous rock)
What European island has a population made up almost entirely of Norse and Celtic settlers?
Faroe Islands Iceland Isle of Mann some more Scottish isles'
What is a rock made out of?
I am almost positive that it is Igneous, sedimentary, and metamorphic
What a rock made out of?
I am almost positive that it is Igneous, sedimentary, and metamorphic
What's the name of 2 continents that is made up almost entirely of deserts?
Africa is made up almost entirely of desert. Antarctica is almost all desert.
What country is not made of mountainous volcanoes?
Generally ones that are composed entirely of cratons that were never on plate boundaries - and they are few. On the other hand there are very few that are entirely volcanic - Iceland and Hawii are two. Most countries, including the UK and France,have at least the remnants of veryold, extinct volcanoes &/or intrusive igneous rocks.
Is Jupiter made of gas or solid?
It is made almost entirely of gas.
Is Jupiter made of a solid or gas?
It is made almost entirely of gas.
Is Iceland made completely out of of ice?
No, Iceland is not made completely out of ice. It is an actual island, with rock and soil, and glaciers on top. It also has some active volcanoes (which have been causing trouble recently; I'm sure there are people who would prefer for Iceland to be made entirely of ice).
Explain why geologists say that all rock was originally igneous rock?
The oceanic plates of the crust are almost entirely basalt, an igneous rock. The continental crust in underlain by mostly granites, also igneous.
Why are Saturn's rings made of?
The rings of Saturn are made almost entirely of water ice.
The sun is made mostly of carbon and oxygen?
No. It is made almost entirely of hydrogen and helium.
