Class 12 Quiz


	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 12 - Quiz

1. Which of the following is an example of secondary dispersion?

A. anomalous zinc values in soils.

B. anomalous arsenic values in granite hosting a gold-quartz vein.
C. anomalous copper values in breccia associated with a VMS deposit.

D. anomalous bismuth in samples of pegmatite.

2. Which of the following is an example of primary dispersion?

A.   anomalous copper values in stream sediments.

B.   anomalous antimony values in soils.

C.   black sand in a pan concentrate sample.

D.   anomalous molybdenum values in granite.

3. Which of the following locations would be best to search for silts for a stream sediment sample?

A. a waterfall.

B. a dry stream channel adjacent to the active stream.

C. an area containing lots of cobble size material.

D. a place in the active stream with a slower current.

4. Which of the following can serve to filter silt from the stream in steep areas?

A. algae.

B. moss.

C. alders.

D. spruce.

5. Observe your soil geochemical contour map from Lab 12. How many different mineralization trends are suggested by the contours?

A. 1

B. 2

C. 3

D. 4

6. Intersections of structural trends are often good places to look for mineralization. Are there any intersecting structural trends suggested by the patterns of the contours ? If so how many?

A. 0

B. 1

C. 2

D. 3

7. Based on the information from the geochemical contour map, and in question 6, the coordinates for the best place to put a drill hole are _______________.

A. 7500 N, 9500 E

B. 7000 N, 12000 E

C. 6000 N, 7000 E

D. 7000 N, 9000 E

8. If a threshold value for copper in soils is 180 ppm, which of the following is considered an anomalous value?

A. 182 ppm

B. 175 ppm

C. 168 ppm

D. 145 ppm

9. If the gold values for stream sediments range from 50 to 500 ppb, which of the following would be the most logical choice for an arbitrary threshold value?

A. 400 ppm.
B. 51 ppb.
C. 225 ppb

D. 450 ppb.

10. Which of the following soil sample surveys could be used to delineate the trend of mineralization?

A. random samples.
B. line survey.
C. grid survey.
D. census survey.