Sometimes formations on land can shed light on ocean processes. What do the White Cliffs of Dover
in England show?
a. An accumulation of very fine ooze of mixed origin that was pushed above sea level from
plate tectonics.
b. An accumulation of siliceous ooze that has risen above sea level from plate tectonics.
c. A lithified calcareous ooze that was pushed above sea level from plate tectonics.
d. A sheared cliff that formed during sea floor spreading
ANS: C
The White Cliffs of Dover are an example of the lithification of calcareous ooze. Although formations
like these are formed in the ocean, they are brought above sea level due to normal processes of plate
tectonics. Information can be found in the section Pelagic Sediments Vary in Composition and
Thickness.
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