Volcano A Coordinates: -3.065 37.358 Question 1 What is the tectonic setting for

Question

Volcano A

Coordinates: -3.065 37.358

Question 1

What is the tectonic setting for this feature at -3.065 37.358

1. divergent plate boundary

2. convergent plate boundary

3. intraplate

QUESTION 2

What is the geological setting for this feature?

1. continental arc

2. mid-ocean ridge

3. continental rift

4. continental hot spot

QUESTION 3

What type of volcanic structure is this?

1. stratovolcano

2. cinder cone

3. shield volcano

caldera

QUESTION 4

What types of volcanic materials formed this feature

1. mainly basaltic lava flows

2. combination of lava flows and pyroclastic flows

3. mainly pyroclastic debris

4. a rhyolitic lava flow

QUESTION 5

Estimate the size of the feature, by measuring the diameter at the base

1. 150 meters

2. 1.5 km

3. 15 km

4. 55 km

5. 150 km

QUESTION 6

Estimate the diameter of the innermost circular feature on the summit:

1. 30 meters

2. 300 meters

3. 3 km

4. 10 km

QUESTION 7

What is this circular feature at the top of the mountain called?

1. caldera

2. magma chamber

3. flank vent

crater

5. lava dome

Volcano A

Coordinates: -3.065 37.358

Explanation / Answer

Question 1.

Interplate: The spot is on African plate.

Question 2.

continental hot spot

As the mantle melted where the crust was thin and pushed upward this spot is created

Question 3.

stratovolcano

As it is made up of many layers of magma and ash.

Question 4.

a rhyolitic lava flow

Please ask the rest of the questions in separate questionnaire.

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