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Quiz 1

1.  Which of the following is not a physical property measured by an instrument during a geophysical survey of a mineral property ?
A. Gravity
B. Magnetism
C. Color
D. Electrical conductivity

2.  Which of the following is considered to be a common rock-forming mineral ?

A.  Corundum
B.  Gold
C.  Zircon
D.  Quartz

3.  The term which expresses the concentration of a substance in an ore deposit is called the __________.

A.  porosity
B.  tensile strength
C.  grade
D.  tonnage
E.  aspect ratio

4.  Which of the following is not a type of crustal plate boundary ?

A.  spreading center or rift
B.  transcurrent (strike-slip) fault
C.  subduction zone
D.  overturned fold

5.   Which of the following mineral goups contains the largest number of known mineral species ?

A.  sulfosalts
B.  silicates
C.  sulfides
D.  oxides
E.  carbonates

6.  Which of the following minerals has the most cleavages ?

A.  galena
B.  biotite
C.  feldspar
D.  hornblende or amphibole
E.  quartz

7.  An "acicular" crystal habit means __________.

A.  short, stubby crystals
B.  long, needle-like crystals
C.  six-sided crystals
D.  bubble-textured crystals

8.  Which of the following minerals is mined for copper ?

A.  galena
B.  hematite
C.  sphalerite
D.  chalcopyrite

9.  Vitreous luster means _________.

A.  dull luster
B.  glassy
C.  waxy luster
D.  metallic

10.  Which of the following minerals on Moh's Hardness Scale is harder than Topaz ?

A.  orthoclase
B.  apatite
C.  fluorite
D.  corundum
E.  quartz