Geography: Answers to the questions (*note: the pics above made up only one quad

Question

Geography: Answers to the questions (*note: the pics above made up only one quadrangle from the top-middle-bottom. Sorry it couldnt upload in one pic).

a. Using the Hayfield Quadrangle above, which kind of mass wasting most likely left the deposit seen southeast of Lost Palms Canyon, a type of flow or a type of slide?

b. What evidence shown on the map supports your answer?

c. Using the 2,000’ contour as the top of the deposit, how thick is the deposit at the end (the "toe") of the deposit?

d. Although the deposit is somewhat irregular, assume that it is square or rectangular in shape. Estimate the length of the two sides from the toe of the deposit to the point that it is in contact with the mountain front. Make sure you review the instructions for obtaining these measurements.

Finally, calculate the surface area (in square feet) of the deposit using standard area calculations.

e.Assuming that your answer to the previous question above represents the uniform thickness of the deposit (a simplistic assumption), calculate the total volume of the deposit using standard volume calculations.

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Explanation / Answer

a. It gives the appearence like a type of slide because the structure does not have a regular shape and as there are many irregularities,sliding occurs.

b.The presence of spike structures supports the answer that the areas are sliding in nature and hence deposition takes place below these structures.

c.The deposit so thick that it has being formed into a rock structure and it is very hard to break it so easily.

d. When the deposit is square in shape,the area of deposit=side×side where the measurement of side is taken as 1m(assumption)

Area=1×1=1m2

In order to calculate the length from side to mountain front,this is taken in the form of diagonal of square=sqrt(1+1)=sqrt(2)

e. The deposit is in the form of a square and the volume is =side×side×side=side^3

When side=1m,volume=1m3

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