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The Rock Cycle
Transcript of The Rock Cycle
Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form".
Sedimentary rocks are types of rock that are formed by the deposition of material at the Earth's surface and within bodies of water.
Igneous rocks are formed when magma deep within Earths crust and upper mantle cools or solidifies.
Intrusive igneous rocks form within Earth's crust and only appear when the rocks above erode.
Extrusive rocks are formed when magma (lava) erupts from a volcano then cools on the surface.
Now let's see how these rocks are used.
There are several different ways that people use sedimentary rocks. The chalk used in classrooms around the world is a type of sedimentary rock. Limestone is a sedimentary rock that is used in concrete, building stones, antacids, soil conditioner, and steel making. Coal is another sedimentary rock which is used to produce heat and electricity. Shale is used to make brick. Sandstone is used in construction and glass production.
Sedimentary rocks common use
Granite is a very hard rock. As with many of the other rocks we have seen it can be used for buildings and for long lasting monuments. It is also often used for kerb stones, and countertops. Some people use pumice stones to scrub stains which won't come off with soap and water. It can also be ground down and used in polish or as lava soap.
Igneous rocks common uses
Metamorphic rock common uses
Marble is a metamorphic rock that is used to make floor tiles, counter tops and it is carved into
and was used extensively in the building of the Roman Colosseum and other historic buildings. Slate is another metamorphic rock that is used in buildings for
and roofing tiles, and it was once used for blackboards. Quartzite is used as a source of silica; other forms of metamorphic rocks are useful as building components, monuments,
, and facings.
In two homes not too far away
Two kids have created a prezi
The Rock Cycle Strikes Back
In it igneous,sedimentary
and metamorphic rocks
are described like never
For Mrs. Mancuso
By: Ian & Courtney
It has no beginning or end.
Foliation-the set of layers visible in
many metamorphic rocks as a result
of flattening or stretching in mineral
grains during metamorphism.
Non-foliation-Does not show the layers such as a foliated rock would show as a result of flattening.
Foliation-the set of layers visible in many metamorphic rocks
as a result of flattening or stretching of mineral grains
minerals in it are:
Minerals in marble are:
What are the minerals in this?
There are a huge array of minerals
(or anything in the area its in)
conglomerate could be.
What is in Limestone?
It is calcite.
Let's see what minerals
are in obsidian.
Well there are no minerals in obsidian.
It cools to quickly to generate minerals.
Both plagioclase and alkali feldspars along with quartz
can be found in marble.
For Mrs.Mancuso's 6 grade class
Now, for the finale!!! An epic
DANCE PARTY WITH OUR
ROCK BUDDIES :)
(By the way the DANCE PARTY IS BASED on The Rock Cycle!!)
Just joking.. STAY
FOR THE END!!!!