Volcano C coordinates: 53.437 -168.151 QUESTION 1 What is the tectonic setting f

Question

Volcano C

coordinates: 53.437 -168.151

QUESTION 1

What is the tectonic setting for this feature at 53.437 -168.151?

divergent plate boundary

convergent plate boundary

intraplate

QUESTION 2

What is the geological setting for this feature?

island arc

continental arc

mid-ocean ridge

continental rift

continental hot spot

QUESTION 3

What type of volcanic structure is this approximately cicular feature?

stratovolcano

cinder cone

shield volcano

caldera

QUESTION 4

Estimate the size of the feature, by measuring the diameter of the rim (NW to SE)

100 meters

1 km

10 km

100 km

QUESTION 5

Compared to the size of the summit features of the previous two volcanos, this circular depression is:

about the same size

much smaller

much larger

Volcano C

coordinates: 53.437 -168.151

Explanation / Answer

Answer.

The given coordinate is Aleution islands

1. It's formed in convergent plate boundary.

2. Volcanic islands arc - of the Pacific Plate beneath the North American Plate creating the Aleutian trench and volcanic island ar.

3.Cinder cone - Cinder cones are the simplest type of volcano. They are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone.

4. 1 Km of size of volcanic structure.

5. About the same size.

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