GEOL 101 Exam 2
Terms
undefined, object
copy deck
- Schistose
- Which type of foliation is characterized by coarsely crystalline micas, platy minerals aligned on planes, a crinkly texture, and somtimes garnet crystals
- P waves
- Which of the following seismic waves will be the first to arrive at a seismic station?
- Crust and mantle
- The lithosphere is made up of which compositional layers
- All rock types
- Which type of rock will be broken down by weathering
- A relatively short distance
- Because of the poor sorting and rounding of clasts, how far from the source were these clasts transported before deposition?
- Reducing the sunlight that reaches the Earth's surface, suppressing photosynthetic processes, reducing the Earth's surface temperature, causing unusual weather
- Occasionally, a volcano will spew large amounts of fine volcanic dust into high atmosphere. This dust can have the effect of _____
- The modified Mercalli Index measures earthquake intensity based on damage to human structures
- Which of the following statements about earthquake scales is correct
- Regional
- _____ metamorphism takes place at considerable depth beneath the Earth's surface
- At convergent plate boundaries where magma plumes and mountain ranges are forming
- Metamorphic rocks form ______
- High oxygen levels in environment of deposition
- Which of the following conditions are not helpful for fossil preservation?
- Shell, marine habitat, herbivore
- Which of the following combinations will result in the highest preservation potential for organisms?
- in regions with many days of freezing and thawing
- Frost wedging is most effective ___
- Cinder, composite, shield
- Place the following types of volcanoes in order from Smallest to Largest
- clay, silt, sand, gravel
- Place the following grain sizes in order from smallest to largest. [sand, gravel, silt, clay]
- Shallow focus
- Most earthquakes are
- Shallow marine
- From which depositional environment are the most fossil species known?
- Composite volcano
- What type of volcano is mount saint helens
- Outer Core
- Which mechanical layer of the Earth is liquid
- Directed pressure
- Foliation occurs in metamorphic rocks as a result of
- This sequence represents a sea level fall
- You see a column of rocks that go from Coal, sandstone, shale, and limestone. How would you describe the depositional environments preserved in these rocks?
- Peridotite
- The Mantle is made of
- Oxidation
- Which of the following is not a type of mechanical weathering
- Gneissic, schistose, phyllitic, slaty
- Place the following foliation styles in order of their metamorphic grade form highest to lowest. [Schistose, phylitic, gnessic, slate]
- Shield Volcanoes
- What type of volcanoes formed the islands of Hawaii
- Associated with ocean trenches around the Pacific Ocean
- Where do most tsunamis on Earth originate
- Limestone
- Which of the following sedimentary rocks can be composed entirely of the remains of marine organisms that secrete shells make of calcite
- Underwater
- Where do pillow basalts form?
- Ripple marks
- Which of the following sedimentary structures indicates current flow
- Sedimentary rocks are only a thin veneer covering the Earth's crust
- Which of the following statements about sedimentary rocks is correct?
- 8.0
- How big does an earthquake generally need to be on the Richter scale to trigger a tsunami
- False
- [T/F]Most death or destruction of property during volcanic eruptions is due to the lava itself
- Organic
- A rock composed of incompletely decomposed planet material is an example of _____ sedimentary rock
- Apatosaurus
- The brontosaurus' real name is
- Iron metal with minor nickel
- The core is made of
- Calcite and dolomite
- ____ are the minerals commonly left behind after complete chemical weathering
- Hydrolysis
- Chemical weathering in which acids break down pre-existing minerals is known as ____
- occurs adjacent to an igneous intrustion and only in a narrow contact aureole
- Contact metamorphism
- Granite
- The continental crust is made of
- melting of pre-existing rock
- Metamorphism may incorporate all of the following except
- True
- [T/F] Surface waves cause more damage to structures than body waves
- Focus
- The point within the Earth where seismic waves originate is called
- All of the above
- Why is paleontology an important field of geology to study?
- False
- [T/F] Composite volcanoes are fed by mafic magma
- Beach
- If you saw a package of rocks made up of a well-rounded, well-sorted sandstone with cross beds that included marine fossils and burrows, what depositional environment would that most likely represent
- Convergent plate boundary
- In which type of plate tectonics setting do deep focus earthquakes occur?
- Hot, wet climate (Louisiana)
- In which of the following climates would you expect to have the highest rates of chemical weathering
- Composite
- A _____ volcano is composed of alternating layers of pyroclastic fragments and solidified lava flows
- Pahoehoe
- ______ is the term used for Hawaiian basalt flow with a smooth, ropy surface
- Eolian
- In which depositional environment would cross beds be best developed