w2
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Solid layer of metal
inner core
Largest layer, made up of hot, dense rock
mantle
Thinnest layer, made up of continental and oceanic crust
crust
gasses and dust of cloud was attracted by gravitational energy
process of accretion
it created Earth’s molten core, which traps heat.
process of accretion
isotope = same number _____ diff number ________
proton neutron
A geological process that was formed, originated, and located below the surface of the Earth “Tectonic movements, Metamorphism, Magmatism”
endogenic processes
how is magma formed
partial melting
Usual temperature but the pressure is reduced
decompression melting
Happens when the rock is being moved toward the surface, either at a “Mantle Plume”, or at a “Mantle Convection Cell”
decompression melting
Rock is close to its melting point and coolant is added to the rock, the melting temperature is reduced and partial melting starts.
flux melting
As the magma moves upwards, it interacts with the surrounding rock, initiating partial melting onto other rocks.
flux melting
a magma that moves up into a volcano without erupting
intrusion
an eruptions of magmatic material that cause land formation on the surface of the Earth
extrusion
Refers to all sorts of igneous geological activities taking place below the Earth’s surface
plutonism
Used to describe all geological phenomena that occur on the natural terrestrial surface, such as the eruption of volcanoes and creation of hot springs
volcanism