Podcast
Questions and Answers
Foliation is the repetition of planar surfaces or layers in a metamorphic rock. True or False?
Foliation is the repetition of planar surfaces or layers in a metamorphic rock. True or False?
True
Foliated rock has been not been subjected to differential stress.
Foliated rock has been not been subjected to differential stress.
False
What is an example of foliated rock?
What is an example of foliated rock?
Non-foliated rock is crystallized without differential stress.
Non-foliated rock is crystallized without differential stress.
Signup and view all the answers
Non-foliated rock is made up of
Non-foliated rock is made up of
Signup and view all the answers
Foliation is possible if
Foliation is possible if
Signup and view all the answers
Metamorphic grade is the amount/degree of metamorphic change of the ___________.
Metamorphic grade is the amount/degree of metamorphic change of the ___________.
Signup and view all the answers
Prograde refers to
Prograde refers to
Signup and view all the answers
Which does not happen when increasing metamorphic grade?
Which does not happen when increasing metamorphic grade?
Signup and view all the answers
Index minerals are minerals that have limited temperature-pressure range.
Index minerals are minerals that have limited temperature-pressure range.
Signup and view all the answers
Which of the following can be used to determine the degree of metamorphism that a rock has experienced?
Which of the following can be used to determine the degree of metamorphism that a rock has experienced?
Signup and view all the answers
Metamorphic facies are mineral assemblages from a specific protolith at specific temperature-pressure conditions.
Metamorphic facies are mineral assemblages from a specific protolith at specific temperature-pressure conditions.
Signup and view all the answers
In a thermal setting, metamorphism happens due to
In a thermal setting, metamorphism happens due to
Signup and view all the answers
Bands of alteration created in the host rock during plutonic intrusion are zoned from
Bands of alteration created in the host rock during plutonic intrusion are zoned from
Signup and view all the answers
Metamorphosis that occurs during burial happens because
Metamorphosis that occurs during burial happens because
Signup and view all the answers
Burial metamorphism requires burial below diagenetic effects, happening around 8-15km, depending on the geothermal gradient.
Burial metamorphism requires burial below diagenetic effects, happening around 8-15km, depending on the geothermal gradient.
Signup and view all the answers
Dynamic metamorphism occurs in which setting
Dynamic metamorphism occurs in which setting
Signup and view all the answers
When dynamic metamorphism occurs in shallow crust, rocks behave in a ______ manner.
When dynamic metamorphism occurs in deeper crust, rocks behave in a ______ manner.
When dynamic metamorphism occurs in shallow crust, rocks behave in a ______ manner. When dynamic metamorphism occurs in deeper crust, rocks behave in a ______ manner.
Signup and view all the answers
Regional metamorphism occurs when temperatures and pressures are altered due to orogenesis.
Regional metamorphism occurs when temperatures and pressures are altered due to orogenesis.
Signup and view all the answers
Regional metamorphism causes which of the following
Regional metamorphism causes which of the following
Signup and view all the answers
Where does hydrothermal metamorphism occur?
Where does hydrothermal metamorphism occur?
Signup and view all the answers
During subduction, which of the following is true for metamorphism to occur
During subduction, which of the following is true for metamorphism to occur
Signup and view all the answers
Shock metamorphism might happen because
Shock metamorphism might happen because
Signup and view all the answers
