Mata Rocks lab 1-7

Term
1 / 27
Metamorphic rocks can have different textures. Those that have a "layered appearance" or alignment of flat or elongate minerals have which texture?
Click the card to flip 👆
Terms in this set (27)
Metamorphic rocks can have different textures. Those that have a "layered appearance" or alignment of flat or elongate minerals have which texture?
foliated
Which texture has undergone the most amount of change during metamorphism?
gneissic
Which rock is composed of talc, and therefore can be scratched by your fingernail?
soapstone
What term do we use for what the rock was BEFORE metamorphism?
parent rock
Which rock should fizz with HCl acid is applied?
marble
Sillimanite can form at 400˚C.
Question options:
False
Sillimanite can form at 600˚C.
True
Chlorite can form at 500˚C.
False
Garnet can form at 800˚C.
True
Which mineral listed suggests the lowest degree of metamorphism?
Andalusite
Sillimanite
Muscovite
Garnet
Muscovite
Which mineral listed suggests the highest degree of metamorphism? Sillimanite Garnet Muscovite ChloriteSillimaniteWhich mineral listed suggests the highest degree of metamorphism? Chlorite Biotite Muscovite GarnetGarnetWhich mineral listed suggests the highest degree of metamorphism? Muscovite Garnet Andalusite BiotiteAndalusiteWhich rock type forms next (in order of metamorphic grade) after Slate?PhylliteOf these choices, which rock type was formed under the "highest grade" of metamorphism? Schist Slate Gneiss Migmatite PhylliteMigmatiteWhich metamorphic facies name is used to describe the conditions of 800˚C and pressures equivalent to a depth of 10 km?GranuliteOf these listed, which would give the "highest grade" of metamorphism? If you are unfamiliar with this terminology Greenschist Amphibolite Blueschist GranuliteGranuliteWhich metamorphic facies name is used to describe the conditions of 200˚C and pressures equivalent to a depth of 30 km?BlueschistWhich metamorphic facies name is used to describe the conditions of 400˚C and pressures equivalent to a depth of 10 km?GreenschistOf these listed, which would give the "highest grade" of metamorphism? If you are unfamiliar with this terminology. Eclogite Zeolite Amphibolite GreenschistEclogiteOf these listed, which would give the "lowest grade" of metamorphism? If you are unfamiliar with this terminology. Greenschist Granulite Amphibolite BlueschistBlueschistOf these listed, which would give the "lowest grade" of metamorphism? If you are unfamiliar with this terminology, Granulite Amphibolite Blueschist ZeoliteZeoliteWhich metamorphic facies name is used to describe the conditions of 400˚C and pressures equivalent to a depth of 40 km?EclogiteAt continental collision zones, rocks may undergo metamorphism under conditions that are high pressure, high temperature.TrueAt subduction zones, rocks undergo metamorphism under conditions that are low pressure, low temperatureFalseAt subduction zones, rocks undergo metamorphism under conditions that are high pressure, low temperature.TrueAt mid ocean ridges, rocks may undergo metamorphism under conditions that are high pressure, high temperature.False