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Folliation
How do rocks form?
Vocabulary recap
{do at end}
100
What is; an arrangement of minerals in flat or wavy parallel bands.
Folliation
100
Molten rock [lava or magma] cools and forms_____ rock.
What is; Igneous rock
100
An arrangement of minerals in a flat or wavy parallel bands, is ________.
What is; Foliation
200
As temp. and pressure increase, the minerals separate into ____ and ____ bands.
What is; dark and light [or vise versa]
200
Ancient rocks, plants, shells, fossils, sediment, etc get pushed together to form ________ rock.
What is; Sedimentary rock
200
_______ rocks formed by ancient plants, bark, sediment, pieces of rock, etc gets pressed together.
What is; Sedimentary rocks
300
At low levels of metamorphism, the bands are______
What is: [extremely] thin
300
True or false; sedimentary rocks are only made from pieces of sediment. [if wrong correct to right answer.]
False: sedimentary rocks can contain other particles like shells, fossils, ancient plant remains, bark, and of course pieces of rock or sediment.
300
Molten rock [lava and magma] that cools forms _______
What is; Igneous rock.
400
As temp. and pressure increase very high the rock appears_____
What is; shiny
400
True or False: Magma only cools once outside of the volcano. [If False correct the sentence]
False; Magma cools inside the volcano but if it did get out and cool outside of the volcano it would be lava.
400
__________the process in which an existing rock is changed by heat and/or pressure.
What is; Metamorphism
500
Some rocks like marble contain only one mineral. Artists use rocks like this for sculpting because the bands do not separate. This is called___________
What is; nonfoliated rocks
500
True or False: Lava only cools outside the volcano. [If wrong correct sentence]
True: it only cools outside the volcano because if it was inside it would be magma.
500
____________ the process in which a minerals atomic bonds are broken and then rejoined in new ways.
What is; Recrystallization