17.01.2023 Views

Laboratory Manual for Introductory Geology 4e

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

EXERCISE 17.7

Erosional Processes and Shoreline Landforms

Name:

Course:

Refer to the photos specified to answer the following questions.

Section:

Date:

(a) How did the large blocks in Figure 17.11a get into the breaker zone? What is their eventual fate?

(b) How did Morro Rock (Fig. 17.14b) become isolated from the bedrock shoreline?

(c) What is the eventual fate of the sea arch in Figure 17.11c?

Examine the shoreline in FIGURE 17.15. Point Sur and False Sur are the same kind of feature and record the multistage

development of this part of the California shoreline.

(d) Given its size and steepness, is Point Sur made of resistant bedrock like granite or a softer rock like limestone?

Explain.

(e) What material or type of material is the area between the Point Sur lighthouse and the California Sea Otter Game

Refuge probably made of? Explain your reasoning.

(f) Suggest a sequence of events by which the Point Sur shoreline could have formed.

17.3 SHORELINE EROSION AND DEPOSITION

449

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!