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Beach sand is usually well-sorted.

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The most likely place to find abundant manganese nodules is on the:


A) abyssal plain far from a continent.
B) continental rise.
C) continental shelf.
D) crest of a mid-ocean ridge.
E) All of the above locations are contain manganese nodules.

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The Wentworth scale is used to arrange the amount of sorting in a sediment deposit.

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abyssal clay


A) biogenous sediment
B) cosmogenous sediment
C) hydrogenous sediment
D) terrigenous sediment

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Sediments produced as a result of chemical reactions in seawater are called:


A) cosmogenous.
B) biogenous.
C) hydrogenous.
D) lithogenous.
E) volcagenic.

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All of the following are hydrogenous sediments except:


A) evaporites.
B) halites.
C) manganese nodule.
D) phosphates.
E) stromatolites.

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High energy environments are most likely to contain which one of the following?


A) clay-sized particles
B) cosmogenous sediments
C) large particles such as gravel
D) manganese nodules
E) silt-sized particles

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Sediments found on continental margins are called:


A) continental.
B) estuarine.
C) neritic.
D) oceanic.
E) pelagic.

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coccolithophores


A) biogenous sediment
B) cosmogenous sediment
C) hydrogenous sediment
D) terrigenous sediment

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metal sulfides


A) biogenous sediment
B) cosmogenous sediment
C) hydrogenous sediment
D) terrigenous sediment

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All of the following are lithogenous sediments except:


A) beach sand.
B) diatom ooze.
C) glacial deposits.
D) illite clays.
E) volcanogenic particles.

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diatomaceous ooze


A) biogenous sediment
B) cosmogenous sediment
C) hydrogenous sediment
D) terrigenous sediment

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oolites


A) biogenous sediment
B) cosmogenous sediment
C) hydrogenous sediment
D) terrigenous sediment

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halite


A) biogenous sediment
B) cosmogenous sediment
C) hydrogenous sediment
D) terrigenous sediment

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A well-sorted sand deposit with rounded particles might be called immature.

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Sediments derived form preexisting rocks are called:


A) cosmogenous.
B) biogenous.
C) hydrogenous.
D) lithogenous.
E) volcagenic.

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Refer to the figure below illustrating the world-wide distribution of marine sediments.Different areas of ocean sediments are indicated by different numbers.Use these numbers to answer the questions below. Refer to the figure below illustrating the world-wide distribution of marine sediments.Different areas of ocean sediments are indicated by different numbers.Use these numbers to answer the questions below. -The sediments that are produced in areas of high primary productivity are indicated by the number(s) : A) 1. B) 2. C) 3. D) 2 & 3. E) 3 & 4. -The sediments that are produced in areas of high primary productivity are indicated by the number(s) :


A) 1.
B) 2.
C) 3.
D) 2 & 3.
E) 3 & 4.

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Which of the following contains calcium carbonate (CaCO3) ?


A) diatoms
B) foraminiferans
C) glauconite
D) phosphorites
E) radiolarians

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Radiolarian oozes form near the equator.

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Texture refers to the size and shape of sediment particles.

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