Rocks And Minerals Test Review (Graded)

19 Questions | By Coachfrei | Last updated: Mar 20, 2022 | Total Attempts: 524

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Test Review for Test (12-12-13)

Questions and Answers

1.

Which of these has the greatest hardness?
- A.
  
  Gypsum
- B.
  
  Iron
- C.
  
  Gold
- D.
  
  Diamond
- E.
  
  None of the above.
2.

Which of these is measured to have the least hardness?
- A.
  
  Cotton
- B.
  
  Talc
- C.
  
  Shale
- D.
  
  Finger Nails
- E.
  
  None of the above.
3.

Some feldspar types are referred to as k-spar. Why?
- A.
  
  They contain Krypton
- B.
  
  They contain Keratin
- C.
  
  They contain Sodium
- D.
  
  They contain Potassium
- E.
  
  None of the above.
4.

What is the main chemical formula for silicates?
- A.
  
  One Silicon and Two Oxygen
- B.
  
  One Silicon and Four Oxygen
- C.
  
  Two Silicon and Eight Oxygen
- D.
  
  Four Silicon and One Oxygen
- E.
  
  None of the above.
5.

Igneous rocks that cool most rapidly will have the ____________________ crystals
- A.
  
  Largest
- B.
  
  Smallest
- C.
  
  Most Colorful
- D.
  
  Prettiest
- E.
  
  None of the above.
6.

Most Minerals in the Earth's crust are classified as _______________.
- A.
  
  Metamorphic
- B.
  
  Silicate
- C.
  
  Glossy
- D.
  
  Sedamentary
- E.
  
  None of the above.
7.

Which process occurs when sand particles settles out of the water or wind and deposit sediments?
- A.
  
  Cementation
- B.
  
  Foliation
- C.
  
  Phosphoresence
- D.
  
  Deposition
- E.
  
  All of the above
8.

The tendency of a mineral to break along a smooth plane is called what?
- A.
  
  Cleavage
- B.
  
  Fracture
- C.
  
  Melt
- D.
  
  Hardness
9.

From what type of rock can metamorphic rocks be formed?
- A.
  
  Sedimentary
- B.
  
  Igneous
- C.
  
  Metamorphic
- D.
  
  All of these
- E.
  
  None of the above.
10.

What are the three types of sedimentary rock?
- A.
  
  organic, chemical and clastic rocks
- B.
  
  Extrusive, chemical and intrusive rocks
- C.
  
  intrusive, clastic and organic rocks
- D.
  
  porphyritic, organic and chemical rocks
- E.
  
  None of the above.
11.

What is the main difference between a conglomerate and a sedimentary breccia?
- A.
  
  Breccia sediments are angular; conglomerate sediments are rounded.
- B.
  
  Breccia is well stratified (layered); a conglomerate is poorly stratified.
- C.
  
  Breccia sediments are the size of baseballs; conglomerate sediments are larger.
- D.
  
  Breccia has a compacted, clay-rich matrix; conglomerate has no matrix.
- E.
  
  None of the above.
12.

____________________ are examples of sheet silicates:
- A.
  
  Olivine and feldspar
- B.
  
  Pyroxenes and amphiboles
- C.
  
  Micas
- D.
  
  Quartz
- E.
  
  None of the above.
13.

Which sequence of terms reflects increasing clastic sediment size?
- A.
  
  sand, silt, clay, boulder
- B.
  
  boulder, pebble, sand, silt
- C.
  
  Silt, sand, pebble, clay
- D.
  
  Silt, sand, pebble, boulder
- E.
  
  None of the above.
14.

________ is a fine-grained, clastic sedimentary rock.
- A.
  
  Coal
- B.
  
  Granite
- C.
  
  Shale
- D.
  
  Breccia
- E.
  
  None of the above.
15.

The process of lithification of clastic (detrital) sedimentary rocks involves ___________.
- A.
  
  Melting and crystallization
- B.
  
  weathering and erosion
- C.
  
  Compaction and cementation
- D.
  
  deformation and melting
- E.
  
  None of the above.
16.

Which of the following is a metamorphic rock?
- A.
  
  Basalt
- B.
  
  Granite
- C.
  
  Sandstone
- D.
  
  Slate
- E.
  
  None of the above.
17.

You go out and dig around in your back yard, the deeper you dig you begin to discover a layer of rock several feet underground. Under closer inspection the rock layer that is lignite coal. What type of environment was present when the sediment was deposited?
- A.
  
  A moving river.
- B.
  
  A swamp.
- C.
  
  A mountain range.
- D.
  
  A shallow sea.
- E.
  
  None of the above.
18.

According to Bowens’ Reaction Series, which of the following would be rare to find on the surface of the Earth due to the conditions under which it formed?
- A.
  
  Quartz
- B.
  
  biotite
- C.
  
  Olivine
- D.
  
  Potassium feldspar
- E.
  
  None of the above.
19.

Which of the following conditions lead to metamorphic rocks?
- A.
  
  A change in chemical environment.
- B.
  
  An increase in temperature.
- C.
  
  An increase in pressure.
- D.
  
  All of the above.
- E.
  
  None of the above.