Introduction
1. Overview of Physical Geology
2. Rock Identification Methods
Geologic Principles
3.

Maps & Navigation
Geologic Maps
4. Igneous Rocks
Magmatic Deposits
5. Plutonic-Related Deposits
Air Photos
6. Volcanic Rocks
Volcanic-Related Deposits
7. Sedimentary Rocks
Low Temp. Deposits
GPS Navigation
8. Hydrothermal Veins&
Alteration
9. Metamorphic Rocks
Metamorphic Deposits
10.

Structural Geology
Structural Controls on
Mineralization
** Mid Term
11. Mechanical Erosion
Placer Deposits
12. Geochemical Sampling Methods
13. Adit/Trench Mapping
Geochemical Methods
14. Geophysical Methods
15. Project Planning
Claim Staking
16. Exploration Drilling
Methods
** Final Exam

 

Class 11 Quiz


1.  Which of the following is an example of mechanical weathering?

A. humic acid from plants decomposing limestone.
B. alder root systems in jointed granite.
C. decomposition of pyrite forming acid mine waters.
D. zinc dispersion by groundwater in soil.

2.  Which of the following is an example of a resistate mineral with a high specific gravity?

A.  diamond
B.  garnet
C.  zircon
D.  ilmenite

3.  Which method would works best to separate black sand from gold and other heavy minerals?

A.  using a sieve screen
B.  using a magnet
C.  panning
D.  using tweezers

4.  Which of the following is most likely to occur as an impurity in a gold nugget?

A.  native silver
B.  pyrite
C.  magnetite
D.  cobalt

5.  Which mineral is the most easily winnowed?

A. garnet
B. quartz
C. scheelite
D. pyrite

6.  Assuming the following placer gold samples were collected in the same creek and were derived from the same source, which traveled the furthest downstream?

A.  fineness = 945
B.  fineness = 860
C.  fineness = 952
D.  fineness = 886

7.  Which of the following would form the best velocity shadow in a stream environment?

A.  a 2 foot quartzite boulder
B.  a 5 pound grayling
C.  an alder branch
D.  a 3 foot granite boulder

8.  Which of the following is not a quality of gold which causes it to accumulate in placers?

A.  it has a high specific gravity
B.  it is maleable
C.  it is conductive

9.   Natural riffles on the bedrock floor of a stream might be formed by _____________?

A.  quartzite layers striking parallel to the stream axis
B.  thin dikes parallel to the stream axis
C.  thin dikes perpendicular to the stream axis
D.  chlorite schist layers striking parallel to the stream axis

10.  Gemstones such as diamonds and saphires sometimes form placers because  ______________?

A.  of their high density
B.  of extreme hardness
C.  they are rather inert
D.  both B and C above