Multiple Choice
Reserves,by definition,must be all of the following except
A) Identified ore deposits.
B) Exploitable with current technology.
C) Economically profitable to mine at present.
D) All rock types that are likely to host as yet undiscovered ore.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Oxygen,silicon and aluminum are the three most
Q2: Which of these are metallic and also
Q3: New methods in mineral exploration include<br>A) Geophysical
Q4: A problem with substituting plastics for metals,to
Q6: An felsic igneous rock with very large
Q7: Evaporite deposits are examples of<br>A) Igneous mineral
Q8: Ore deposits of dense minerals concentrated by
Q9: U.S.stockpiling of strategically important minerals may,in the
Q10: There are sulfide ores being deposited now
Q11: Spoil banks and tailings piles<br>A) Typically weather