earth Flashcards
Which of the following rocks composed of slit- and clay- sized particles displays fiscality
Shale
Which rock type is most likely to contain fossils
sedimentary rocks
Which of these processes describes altering of existent rocks and ions to produce sediments
weathering
Which of the following methods of transportation will result in the least sorted deposit
rock fall
Which of the following best describes the texture of a conglomerate
rounded fragments, poorly sorted
is the process by which new mineral grains larger than the original mineral grains form as a result of metamorphic heat
Recrystallization
Generally speaking, how does the chemical composition of most metamorphic rocks compare to that of the parent rock
Their chemical compositions are nearly the same
Which type of plate boundary most commonly produces metamorphism
Convergent plate boundary
What kind of force creates foliation in metamorphic rocks
compression
What are foliations
Roughly parallel layers of mineral crystals aligned perpendicular to the direction of pressure
clay
slaystone
sand
arkose, quartz sandstone
gravel
breccia
silt
siltstone
organic
bituminous coal, chert