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rocks

QuestionAnswer
What are rocks they are a mixture of minerals and other materials
What does rock make up rock makes up earths crust
Whats texture the look and feel of the outside of the rock
Whats a sedimentary rock The rock that has all the layers on the inside
Whats an igneous rock The rock that forms with magma or lava
What are extrusive rocks igneous rocks formed from lava that erupted onto Earth's surface
What are intrusive rocks igneous rocks formed from magma that hardens beneath Earth's surface.
Porphyritic texture large crystals surrounded by small crystals, which form when magma cools in two stages.
Basalt is used for... gravel
Pumice is used for... cleaning and polishing
Perlite is used in... soil mixes
Obsidian is used for... making sharp tools
Granite is used for... building materials
Clastic Rocks formed sedimentary rocks are squeezed together
Chemical Rocks when minerals are dissolved in a solution crystallize
Limestone, sandstone and marble are... building materials
Coal is... fossil fuels
Slate is... chalkboards, roofing & flooring
Limestone changes into... marble
Sandstone turns into... quartzite
Shale turns into... Slate
Granite turns into... gneiss
Changing sediments to rocks Erosion, Deposition, Compaction & Cementation
How are metamorphic rocks formed? they are formed from heat and pressure beneath the earth's surface
grains the arrangement of the grain
foliated grains arranged in parallel layers or bands
non-foliated mineral grains are arranged randomly
The rock cycle Forces inside the Earth and at the surface of the Earth produce a rock cycle that builds, destroys, and changes the rocks in the crust.
Sub-ducting Oceanic Plates Plate movements (downward) drive the rock cycle by pushing rocks back into the mantle, where they melt and become magma again.
Colliding Continental Plates Plate movement that causes folds, faulting, and uplifting of the crust that move rocks through the rock cycle.
Whats erosion? wind or water carry sediments
Whats deposition? when the water or wind stops carrying the sediments
Whats compaction? presses sediments together
Whats cementation? when dissolved minerals and sediment glue together.
Created by: user-2006840
 

 



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