Q. Which of the following is/are examples of ocean-ocean convergent plate boundaries subduction zone?
- Aleutian zone
- Philippines zone
- Mid-Atlantic Ridge zone
- Juan de Fuca Ridge zone
Select the correct answer using the codes given below:
Answer:
Only 1 & 2
Notes:
- The Aleutian subduction zoneis a convergent boundary between the North American Plate and the Pacific Plate, that extends from the Alaska Range to the Kamchatka Peninsula. Here, the Pacific Plate is being subducted underneath the North American Plate. The Aleutian subduction zone includes two prominent features, the Aleutian Arc and the Aleutian Trench. It is an ocean-ocean boundaries subduction zone.
- The Philippines is situated between the Philippine Sea and Eurasian plates, a boundary that is undergoing active subduction and collision. The primary subduction zones near the Philippines include the Manila Trench to the west and the Philippine Trench to the east. It is an ocean-ocean boundaries subduction zone.
- The Mid-Atlantic Ridge (MAR) is known as a mid-ocean ridge, an underwater mountain system formed by plate tectonics. the MAR developed as a consequence of the divergent motion between the Eurasian and North American, and African and South American Plates. In the North Atlantic, it separates the Eurasian and North American Plates; whereas in the South Atlantic, it separates the African and South American Plates.
- The Juan de Fuca Ridge is a mid-ocean spreading center and divergent plate boundary located off the coast of the Pacific Northwest region of North America. The ridge separates the Pacific Plate to the west and the Juan de Fuca Plate to the east.