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Sedimentary Structures and Bouma Sequences

Sedimentary Structures and Bouma Sequences

Assessment

Interactive Video

Geography

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers sedimentary rocks, focusing on bedding, stratification, and fossil deposition environments. It explains different types of cross bedding, such as tabular and trough, and their formation processes. The tutorial also introduces graded beds and Bouma sequences, highlighting their significance in understanding sedimentary structures and past environments.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of environment is most likely to contain clams and coral?

Shallow waters

Pelagic waters

Abyssal plain

Deep marine ocean

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key feature of sedimentary rocks that indicates a change in energy or depositional setting?

Ripple marks

Mud cracks

Bedding strata

Fossils

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between bedding and laminations?

Laminations occur in high energy environments

Bedding occurs in quiet water environments

Laminations are thicker than bedding

Bedding is thicker than laminations

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of cross bedding is more common in wind deposits?

Trough cross bedding

Tabular planar cross bedding

Wedge cross bedding

Fluvial cross bedding

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can cross beds indicate the direction of past currents?

By their thickness

By their size

By their color

By their inclination

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the typical angle of inclination for aeolian cross beds?

33-35 degrees

10-15 degrees

40-45 degrees

20-25 degrees

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of cross bedding is typically found in stream deposits?

Aeolian cross bedding

Wedge cross bedding

Trough cross bedding

Tabular planar cross bedding

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