What is the calcium carbonate compensation depth?
a. The depth at which calcium carbonate begins to precipitate into a solid.
b. The depth at which a calcareous ooze can start forming.
c. The depth at which calcium carbonate starts to dissolve.
d. The depth at which seawater becomes less acidic.
ANS: C
The calcium carbonate compensation depth (CCD) is the depth at which the calcium carbonate
accumulates at the same rate as it dissolves. This depth is usually about 4,500 meters. Information can
be found in the section Pelagic Sediments Vary in Composition and Thickness.
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