GEOL 101 Fall 2009 Print your name here: ______________________
9/23/09
Quiz #2 - Circle the correct answer
1. Sandstone and shale are what type of rock.
a) chemical sedimentary b) clastic sedimentary c) igneous
2. The following sedimentary rock would be classified as an evaporite.
a) slate b) gypsum c) breccia
3. Which of the following is a common cementing agent in sedimentary rocks.
a) clay b) calcite c) laterite
4. Lithification involves compaction and:
a) remelting b) dissolution c) cementation
5. The following mineral group is common in detrital sedimentary rocks
a) pyroxenes b) evaporites c) clay minerals
6. Which of the following sedimentary rocks is mostly silica?
a) dolostone b) chert c) limestone
7. Which of the following rocks forms in a low energy environment? (BAD QUESTION, I
accepted all answers)
a) sandstone b) slate c) wacke
8. Mineral common to igneous rocks is especially common in detrital sedimentary rocks.
a) calcite b) quartz c) clay
9. The conversion of limestone to dolostone involves the replacement of calcium ions with:
a) carbonate ions b) magnesium ions c) sodium ions
10. Shallow waters found around the Bahamas are examples of a(n);
a) alluvial environment b) carbonate platform c) rift valley