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20 Matching questions

  1. ________ is a strong, parallel alignment of coarse mica flakes and/or of different mineral bands in a metamorphic rock.
  2. ________ foliated, fine-grained metamorphic rock formed from mudstone and shale.
  3. What platy, parallel, mineral grains are the most visual aspect of foliated metamorphic rocks?
  4. Which of the following best describes the conditions of contact metamorphism?
  5. What major change occurs during metamorphism of limestone to marble?
  6. ________ coarse-grained, metamorphic rock with alternating bands or stringers of light and dark minerals.
  7. ________ is characterized by the segregation of light- and dark-colored minerals into thin layers or bands.
  8. In which setting would regional metamorphism be most likely?
  9. What is the major source of heat for contact metamorphism?
  10. What foliated, metamorphic rock is texturally intermediate between slate and schist?
  11. Which of the following forms at the highest grade of regional metamorphism?
  12. What term describes the zone of contact metamorphism surrounding an intrusive magma body?
  13. Tektites originate in what metamorphic environment?
  14. Which of the following lists the rocks in the order of increasing grain size and increasing grade of metamorphism?
  15. ________ nonfoliated metamorphic rock consisting mostly of calcite.
  16. ________ is a nonfoliated rock formed by contact metamorphism of a shale or mudstone.
  17. During metamorphism, what is the major effect of chemically active fluids?
  18. ________ forms from the metamorphism of limestone or dolostone.
  19. ________ forms by contact metamorphism of mudstones and shales.
  20. Which of the following would exhibit sheared and mechanically fragmented rocks?
  1. a Granitic gneiss
  2. b marble
  3. c micas
  4. d schist
  5. e calcite grains grow larger and increase in size
  6. f phyllite
  7. g slate, phyllite, schist
  8. h phyllilte
  9. i at great depths in the crust where two continents are colliding
  10. j high temperatures associated with meteorite impacts
  11. k Hornfels
  12. l Foliation
  13. m Marble
  14. n hornfels
  15. o gneiss
  16. p Pressures are fairly low, the rock is in the upper part of the crust, and heat is supplied from a nearby magma body.
  17. q heat from a nearby magma body
  18. r aureole
  19. s aid in the movement of dissolved silicate constituents and facilitate growth of the mineral grains
  20. t fault movements at shallow depths