Placer deposits form because
A) gold is lighter weight than other rocks and minerals and floats to the surface.
B) hot fluids travel through bedrock and create mineral veins.
C) minerals with covalent bonds transition to ionic bonding.
D) running water separates and concentrates minerals and rock fragments by their density.

Question

Quizplus · Accepted Answer

Placer deposits are formed by running water that separates and concentrates minerals and rock fragments by their density. Gold and other heavy minerals can settle in the bottom of a stream or river and be concentrated in one area, forming a placer deposit.

Placer Deposits Form Because