Multiple Choice Questions

What is the major source of heat for contact metamorphism?
  • Slate has abundant, coarse-grained mica
  • Slate, phyllite, and schist
  • Fault movements at shallow depths
  • Heat from a nearby magma body
In which setting would regional metamorphism be most likely?
  • Heat from a nearby magma body
  • Calcite grains increase in size
  • At great depths in the crust where two continents are colliding
  • Slate has abundant, coarse-grained mica
What term describes a strong, parallel alignment of coarse mice flakes and/or different bands in a metamorphic rock?
  • Foliation
  • Schistosity
  • Aureole
  • Blueschist
What major change occurs during metamorphism of limestone to marble?
  • Heat from a nearby magma body
  • At great depths in the crust where two continents are colliding
  • Slate has abundant, coarse-grained mica
  • Calcite grains increase in size
Which of the following situations would exhibit sheared and mechanically fragmented rocks?
  • Slate has abundant, coarse-grained mica
  • Schist
  • Slate, phyllite, and schist
  • Fault movements at shallow depths
What term describes the zone of contact metamorphism that surrounds an intrusive magma body?
  • Marble
  • Hornfelds
  • Foliation
  • Aureole
Which one of the following is not likely to be genetically associated with and impact of asteroid or large meteorite?
  • Blueschist
  • Schistosity
  • Schist
  • Blueshists
What metamorphic rock forms during the metamorphism of limestone or dolostone?
  • Marble
  • Quartzite
  • Phyllite
  • Aureole
Which of the following best describes the conditions of contact metamorphism?
  • Schist
  • Pressures are fairly low, the rock may be in the upper part of the crust, and heat is supplied from a nearby magma body such as a pluton, dike, or sill.
  • Slate has abundant, coarse-grained mica
  • Fault movements at shallow depths
Which low-grade metamorphic rock, composed of extremely fine-sized mica and other mineral grains, typically exhibits well developed rock cleavage?
  • Slate, phyllite, and schist
  • Schist
  • Blueshists
  • Slate
What type of foliation results from the parallel alignment of abundant, coarse-grained, mica flakes in a metamorphic rock?
  • Blueshists
  • Foliation
  • Blueschist
  • Schistosity
During metamorphism, what is the major effect of chemically active fluids?
  • At great depths in the crust where two continents are colliding
  • Marble
  • Pressures are fairly low, the rock may be in the upper part of the crust, and heat is supplied from a nearby magma body such as a pluton, dike, or sill.
  • They aid in the movement of dissolved silicate constituents and facilitate growth of the mineral grains.
What type of metamorphic facies associated with the subduction of oceanic crust and sediments forms at very high pressure but moderately low temperature?
  • Blueschist
  • Schistosity
  • Foliation
  • Blueshists
What foliated, metamorphic rock is texturally intermediate between slate and schist?
  • Marble
  • Aureole
  • Hornfelds
  • Phyllite
What metamorphic environment produces tektites?
  • High temperatures associated with meteorite impacts
  • Heat from a nearby magma body
  • Marble
  • Quartzite
What metamorphic rock forms from sandstone?
  • High temperatures associated with meteorite impacts
  • Quartzite
  • Marble
  • Phyllite
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Multiple Choice Questions
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