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
Q7: A rock or mineral from which a
Q8: The minimum concentration factor necessary for profitable
Q9: Conflict diamonds.
A) Are those mined in countries
Q10: An igneous rock from which larger,gem-quality diamonds
Q11: Sediment sorting and selective concentration of minerals
Q13: Oxygen,silicon and aluminum are the three most
Q14: Ore deposits of dense minerals concentrated by
Q15: Of which of the following does the
Q16: Dense minerals,like magnetite and native gold,may be
Q17: All of the following are mined from
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