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Basalt rock cycle

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by

Spencer Oberschlake

on 2 February 2015

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Transcript of Basalt rock cycle

Formation
The most common formation zone of basalt is an oceanic divergent boundary. From here convection currents in between the tectonic plates bring up magma which cools as the water and magma react forming the process of cementation closing the divergent zone with the newly formed layer of basalt
Weathering
After time the basalt that is spewed out onto the ocean floor is eventually weathered away slowly by the changing currents in the ocean, as well as the separating subduction zones. The newly formed eroded rock travels the globe being deposited on sandy shores and basins by the oceanic currents.
Deposition and formation
Once the shards of basalt are deposited they are cemented in basin deposit zones as well as other deposit zones into what is usually a conglomerate sedimentary rock known as brecia.
Thank you!
Basalt General info
Basalt is a aphanitic extrusive igneous rock by definition with a micro-crystalline crystal structure that is the most abundant bedrock that can be found on earth. Basalt is very closely related to gabbro in structure and is often mistaken for such, the difference between the two is that gabbro is coarse grained while basalt is more fine grained.
fun facts
Basalt makes up the largest volcano in our galaxy and it is not even on earth it is actually on mars, its name is Olympus Mons.


.... what were you expecting more facts look those up yourself.
Basalt rock cycle
By Spencer Oberschlake
Melting
Once the poor basalt has been through so much he is able to return to his fiery beginnings, The metamorphic rock is usually dragged to a separate subduction zone than it started and is melted by lava which seeps deep into the earth turning into magma which in turn starts the whole process over again
A crushing situation
Over time The rock starts to subdue to pressure after new rock forms over it, the closer it gets to the mantle the hotter the rock gets changing it once again into a metamorphic rock; sadly I do not know the name of the rock it changes into.
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