Florida International University
Department of Earth Sciences
GLY 1010: Introduction to Earth Science
Practice Quiz (Not for credit)






1. Which of the following lists is correctly written in order of increasing temperature?
A.sedimentation, metamorphism, diagenesis
B.diagenesis, sedimentation, metamorphism
C.sedimentation, diagenesis, metamorphism
D.metamorphism, diagenesis, sedimentation


2. Which of the following terms describes the alteration of sediments to sedimentary rocks after deposition?
A.diagenesis
B.crystallization
C.precipitation
D.metamorphism


3. Accumulations of solid fragments produced by weathering are called __________.
A.biochemical sediments
B.chemical sediments
C.clastic sediments
D.alteration sediments


4. The tendency for variations in current velocity to segregate sediments on the basis of particle size is called ______.
A.lithification
B.compaction
C.metamorphism
D.sorting


5. In which of the following sedimentary environments would you expect the sand deposits to be poorly sorted?
A.alluvial
B.glacial
C.desert
D.beach


6. Most shells of marine organisms are composed of __________.
A.silica
B.calcium carbonate
C.calcium phosphate
D.calcium sulfate


7. Which of the following is not a sedimentary structure?
A.cross-bedding
B.ripples
C.foliation
D.bioturbation


8. What is the approximate temperature of a sediment that is buried to a depth of 3 km?
A.0°C
B.100°C
C.300°C
D.1000°C


9. Which of the following processes occurs during lithification?
A.recrystallization of unstable minerals
B.compaction
C.cementation
D.All of these may occur during lithification.


10. What is the porosity of newly deposited mud?
A.less than 5%
B.between 5% and 20%
C.between 20% and 50%
D.greater than 50%


11. Which of the following lists is written in order of decreasing particle size?
A.sandstone, siltstone, conglomerate
B.sandstone, conglomerate, siltstone
C.conglomerate, sandstone, siltstone
D.siltstone, sandstone, conglomerate


12. Clastic sediments and clastic sedimentary rocks are classified on the basis of __________.
A.chemical composition
B.particle size
C.particle origin
D.depositional environment


13. A rock composed of clay-sized clastic sediment is called a ______.
A.sandstone
B.shale
C.dolostone
D.mudstone


14. A clastic sedimentary rock composed of medium-grained (1 mm across) particles is called a ______.
A.conglomerate
B.sandstone
C.siltstone
D.shale


15.       

What type of sandstone is depicted in the illustration above?
A.arkose
B.graywacke
C.lithic sandstone
D.quartz arenite


16. Most of the carbonate sediments of the ocean are derived from _________.
A.fish
B.crustaceans
C.coral
D.foraminifera


17. What rock type makes up coral reefs?
A.limestone
B.chert
C.gypsum
D.halite


18. A sedimentary rock made up of biochemically precipitated silica is called a(n) ______.
A.limestone
B.quartz arenite
C.chert
D.evaporite



This is the end of the test. When you have completed all the questions and reviewed your answers, press the button below to grade the test.