CE 20500 - Engineering Geology
Pop Quiz -4
February 23rd, 2010
1- What is the metamorphic rock equivalent of a shale?
2- Sandstones are sedimentary rocks composed primarily sand-sized particles of?
a) quartz + feldspars (alkali feldspar and plagioclase)
b) quartz + plagioclase + olivine
c) mica + hornblende + pyroxene
d) olivine + pyroxene + plagioclase
3- Contact metamorphism is characterized by what type of pressure-temperature conditions?
a) high pressure/high temperature
b) low pressure/low temperature
c) low pressure/high temperature
d) high pressure/low temperature
e) none of the above
4- Shales typically represent deposition in which type of environment?
5- A significant break or hiatus in the sedimentation between two rock units within a particular
rock sequence that is parallel to the bedding is referred to as a?
b) angular unconformity
e) conformable layer