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Placers Are Sedimentary Deposits Where Valuable Minerals Have Been Hydraulically

Question 1

Multiple Choice

Placers are sedimentary deposits where valuable minerals have been hydraulically sorted. Which of the following mineral properties are required for hydraulic sorting by streams to be effective?


A) high density and high chemical resistance
B) high solubility and high density
C) well-rounded shaped and high chemical resistance
D) small grain size and well-rounded shape
E) large grain size and high solubility

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