Flashcards
Geology unit 2
Cards in this deck (45)
- 1____________________ and ____________________ are two different types of pressures to which rocks can be subjected that can cause metamorphism.Lithostatic, differential
- 2Aureoles surrounding felsic bodies will contain higher temperature metamorphic minerals than will mafic magmas.False
- 3Metamorphic rocks are commonly divided into these two groups, based on their textures: ____________________ and ____________________.foliated, nonfoliated
- 4Metamorphism is most common along ____________________ plate boundaries.convergent
- 5A foliation found in metamorphic rocks with more than 50% plate and elongated minerals is known as ____________________, and the rock this foliation is found in is called ____________________schistosity, schist
- 6Which of the following lists of foliated rock types is arranged according to increasing coarseness of texture?slate, phyllite, schist, gneiss
- 7The various colors of slate result from differing intensities of deformationfalse
- 8Metamorphic rocks can indicate the chemical changes that have occurred at various depthsTrue
- 9Which of the following correctly lists metamorphic mineral assemblages in order of decreasing temperature/pressure of formation?illimanite, kyanite, staurolite, garnet, biotite, chlorite
- 10The intensity of regional metamorphism may be recognized byindex minerals
- 11Metamorphic RockFoliated, Name: Schist, or garnet schist
- 12Metamorphic RockNon-foliated, Name: Marble
- 13Metamorphic rockFoliated, name: Slate
- 14Metamorphic RockFoliated, Name: Schist or Mica Schist
- 15Metamorphic rockFoliated, name: gneiss
- 16Metamorphic rockFoliated, name: gneiss
- 17Metamorphic rockNon-foliated, name: marble
- 18Metamorphic rockNon-foliated, name: quartzite
- 19Metamorphic rockFoliated, name: slate
- 20Metamorphic rockNon-foliated, name: quartzite
- 21Sedimentary rockDetrital (clastic), rounded grains, well sorted, name: quartz sandstone
- 22Sedimentary rockBiological (biochemical), Name: coquina
- 23Sedimentary rockDetrital (clastic), poorly sorted, name: Arkose sandstone
- 24Sedimentary rockBiological (biochemical), name fossiliferous limestone
- 25Sedimentary rockDetrital (clastic), well sorted, name: shale
- 26Sedimentary rockChemical (crystalline), oolitic limestone
- 27Sedimentary rockChemical (crystalline), limestone
- 28—Detrital (clastic), angular grains, poorly sorted, name: breccia
- 29Sedimentary rockBiological (biochemical), name: chalk
- 30Sedimentary rockBiological (biochemical), name: coal or bituminous coal
- 31Sedimentary rockDetrital (clastic), rounded grains, poorly sorted, name: conglomerate
- 32Sedimentary rockChemical (crystalline), name: chert
- 33Sedimentary rockDetrital (clastic), well-sorted, siltstone
- 34Igneous rockFelsic, porphyritic texture, name: Granite porphyry
- 35igneous rockintermediate, phaneritic texture, name: diorite
- 36igneous rockfelsic, phaneritic texture, name: granite
- 37Igneous rockmafic, phaneritic, gabbro
- 38igneous rockfelsic, phaneritic texture, name: granite
- 39Igneous rockfelsic, aphanitic texture, name: rhyolite
- 40Igneous rockFelsic, glassy texture, name: obsidian
- 41Igneous rockfelsic, pegmatic texture, Name: Granitic pegmatite granite pegmatite pegmatitic granite
- 42Igneous rockName: Pumice, felsic composition, vesicular texture
- 43Igneous rockIntermediate, porphyritic texture, name: porphyritic andesite
- 44igneous rockfelsic, aphanitic texture, name: basalt
- 45Igneous rockmafic, vesicular texture, name: Scoria
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- geology Flashcards on Geology unit 2, created by Brianna Steinmetz on 03/03/2020.
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- Brianna Steinmetz
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