Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
Metamorphism that forms around igneous intrusions:
|
Contact metamorphism
|
|
Nonfoliated metamorphic rock with interlocking crystals and a sugary appearance:
|
Quartzite
|
|
Form from the alteration of existing rocks:
|
Metamorphic rocks
|
|
What are the 4 metamorphic rocks w/ foliated textures?
|
1) Slate (slaty)
2) Phyllite (slaty/schistose) 3) Schist (schistose) 4) Gneiss (gneissic) |
|
What metamorphic rock is commonly mined for talc which is used for ceramic glazes, paint fillers, and roofing materials?
|
Schist
|
|
What type of texture will a rock have if it undergoes differential stress?
|
Foliated texture
|
|
In which metamorphic environment did the Appalachian Mountains form in?
|
Regional metamorphism
|
|
Nonofoliated metamorphic rock that effervesces in weak acid:
|
Marble
|
|
What changes occur as a rock undergoes metamorphism?
|
Changes in grain size and a change in composition.
|
|
A zone of metamorphic rock that lies around an igneous intrusion:
|
Metamorphic aureole
|
|
The parallel or linear alignment of features in a metamorphic rock:
|
Foliation
|
|
What does metamorphic mean?
|
“Changed form”
|
|
Fine-grained foliated metamorphic rock w/ a silky luster:
|
Phyllite
|
|
Develops when a rock undergoes differential stress and changes shape w/out breaking:
|
Preferred orientation
|
|
Marble comes from the metamorphism of what parent rocks?
|
Limestone and dolostone
|
|
The movement of hot fluids through a rock:
|
Metasomatism
|
|
What are the 3 primary environments in which metamorphism occurs?
|
1) Contact metamorphism (metamorphic aureole)
2) Dynamic metamorphism (mylonite) 3) Regional metamorphism |
|
The gemstones aventurine, greenlandite, and red jade are forms of which metamorphic rock?
|
Quartzite
|
|
What metamorphic rock contains vermiculte that is used in potting soil?
|
Schist
|
|
What metamorphic rock is commonly found in Newfoundland, Canada?
|
Gneiss
|
|
What are the 2 nonfoliated metamorphic rocks?
|
1) marble
2) quartzite |
|
Metamorphism that forms along faults, and has a tremendous amount of pressure:
|
Dynamic metamorphism
|
|
Stress that is different in various directions:
|
Differential stress
|
|
What 3 factors cause metamorphism in rocks?
|
1) heat
2) pressure 3) metasomatism |
|
Is foliation a good thing or a bad thing?
|
Bad – the more foliation a rock has, the weaker it is.
|
|
Foliated metamorphic rock that contains visible platy minerals:
|
Schist
|
|
Fine-grained foliated metamorphic rock that splits easily into thin sheets:
|
Slate
|
|
Where can some of the oldest gneiss rocks (2.9 billion years) be seen?
|
Scotland
|
|
Crushed and pulverized rock found along a fault; very dense:
|
Mylonite
|
|
Rock in which the degree of metamorphism is so high, that it creates dark and light stripes on the rock:
|
Gneiss
|
|
What state has been a leading provider of marble in the U.S.?
|
Vermont
|
|
What mineral is commonly mined from schist?
|
Talc
|
|
What is the most difficult metamorphic rock to identify?
|
Quartzite
|
|
What are the 2 primary minerals found in garnet-mica schist?
|
Biotite and muscovite
|
|
Metamorphism that is very widespread; occurs along converging plate boundaries:
|
Regional metamorphism
|