Sedimentary Rock - Quiz Quiz

Question 1

If site Bran were buried more deeply and compacted over time, how would its porosity and rock stability likely change?

Revolt · Accepted Answer

C: Porosity would decrease, and rock stability would increase as pore spaces close under pressure.

Question 2

A newly discovered outcrop in the basin displays uniform bedding, compacted grains, and minimal fluid retention. Which statement best explains how these features are likely to affect the site’s long-term stability?

Revolt · Accepted Answer

C: The site is likely to maintain cohesion because its structure distributes stress evenly and limits pore-driven displacement.

Question 3

If a strong flood event deposited an additional coarse layer on the Lorn site, how might this change the site's overall stability?

Revolt · Accepted Answer

A: Stability would decrease because uneven layering could introduce weak contact zones between layers.

Question 4

If the environment that formed S3 experienced a gradual decrease in transport energy over time, what long-term change would likely occur in the rock's structure?

Revolt · Accepted Answer

D: The rock would become more cohesive as finer sediments continue to settle and compact evenly.

Question 5

Why does S2 show a fractured structure compared with the other formations?

Revolt · Accepted Answer

B: High-energy glacial transport mixes grains of many sizes, preventing tight packing.

Question 6

What trend can be inferred between transport energy and the observed structural condition of the formations?

Revolt · Accepted Answer

C: Formations that developed under lower transport energy tend to show greater stability.

Question 7

If the alpine streambed environment continued to experience rapid deposition, how would that likely affect the rate of lithification?

Revolt · Accepted Answer

A: Lithification would remain slow because rapid deposition leaves less time for compaction and cementation to occur.

Question 8

Scientists used the Sierra Madre model to evaluate a newly discovered basin where sediments are deposited slowly, sorted finely, and lose water efficiently during burial. Which outcome is most likely for this setting?

Revolt · Accepted Answer

C: This environment will undergo rapid lithification due to efficient compaction and excellent sorting under low-energy conditions.

Question 9

Choose the correct answer from each drop-down menu to complete the statements.

Revolt · Accepted Answer

reduced|a shorter|higher

Question 10

Choose the correct answer from each drop-down menu to complete the statements.

Revolt · Accepted Answer

greater|fit together and cement more effectively

Sedimentary Rock - Quiz Quiz Answers

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