Oceanography Quiz Ch. 4

The White Cliffs of Dover are an example of which of the following sediment types? a. Biogenous Sediment b. Cosmogenous Sediment c. Hydrogenous Sediment d. Lithogenous Sediment

a. biogenous sediment

Sediment that begins as rocks on continents or islands is called ________. a. lithogenous sediment b. biogenous sediment c. hydrogenous sediment d. cosmogenous sediment

a. lithogenous sediment

Calcium carbonate is most likely to dissolve in water with which characteristics? a. Low carbon dioxide and warmer temperatures b. Lots of carbon dioxide and colder temperatures c. Lots of carbon dioxide and warmer temperatures d. Low pressure and warmer temperatures e. Low pressure and colder temperatures

b) lots of carbon and colder temperatures

Sediments produced by plants and animals in the sea are called ________. a. cosmogenous b. biogenous c. hydrogenous d. lithogenous e. volcanogenic

b. biogenous

Which of the following is a biogenous sediment? a. Beach sand b. Diatom ooze c. Glacial deposits d. Clays e. Volcanic particles

b. diatom ooze

Which of the following contains calcium carbonate? a. Diatoms b. Foraminiferans c. Glauconite d. Phosphorites e. Radiolarians

b. foraminiferans

The west coast of South America is known for its seasonal upwelling. What kind of sediment is likely to be abundant based on this information? a. Terrigenous b. Hydrogenous c. Biogenous d. Cosmogenous

c. biogenous

Which of the following contains silica? a. coccolithophores b. corals c. foraminiferans d. phosphorites e. radiolarians

c. foraminiferans

Sediments produced as a result of chemical reactions in seawater are called: a. cosmogenous. b. biogenous. c. hydrogenous. d. lithogenous. e. volcagenic.

c. hydrogenous

Examine the five words and/or phrases and determine the relationship among the majority of words/phrases. Choose the one option that does not fit the pattern. a. Glaciers b. Rivers c. Siliceous ooze d. Turbidity currents e. Volcanic ash

c. siliceous ooze

Which of the following is not an important control on oceanic sediment accumulation? a. degree of preservation b. dilution c. input from other sediment types d. rate of deposition e. All of the above factors are important.

e) all of the above factors are important

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.

c. the depth at which calcium carbonate starts to dissolve