Geology Board Exam Reviewer - GOP The Philippines: A Complex Plate Boundary Quiz Set A

As I can't really commit to a 100-item practice set, I'll do quizzes of specific course subject of Geology.
Answer key will be provided on May 24, 2020. Thank you.

Geology of the Philippines

The Philippines: A Complex Plate Boundary

Set A

 

1. A linear feature located northeast of Luzon Island.

a. Manila Trench

b. Cotabato Trench

c. Philippine Trench

d. East Luzon Trough

 

2. This is a poorly known east-dipping subduction zone which seems to disappear southwards into the Moluccas Sea.

a. Manila Trench

b. Cotabato Trench

c. Philippine Trench

d. Negros Trench

 

3. The corresponding arcs (Sangihe and Halmahera) of this collision are presently separated by at least 100 km.

a. Taiwan

b. Mindoro-Panay

c. Moluccas Sea

d. Palawan Microcontinental Block

 

4. The ______________ arc is formed by the Sulu Trench.

a. Luzon

b. East-Philippine

c. Negros-Panay

d. Sulu-Zamboanga

e. Cotabato

 

5. This subduction zone consumes the oceanic crust of the Sulu Sea Basin.

a. Manila Trench

b. Cotabato Trench

c. Philippine Trench

d. Negros Trench

 

6. A poorly understood feature but appears in most maps as a transform fault.

a. Manila Trench

b. Philippine Fault

c. Philippine Trench

d. East Luzon Trough

 

7. The _______________ is surrounded by subduction zones with opposing polarities.

a. Philippine Mobile Belt

b. Philippine Fault

c. Philippine Trench

d. East Luzon Trough

 

8. This metamorphic group is characterized geographically by its restricted distribution in the western central Philippines.

a. pre-Cretaceous metamorphic rocks of continental origin

b. Cretaceous metamorphic rocks of insular arc affinity

 

9. The _______________ arc is related to the Cotabato Trench.

a. Luzon

b. East-Philippine

c. Negros-Panay

d. Sulu-Zamboanga

e. Cotabato

 

10. The subducted oceanic slab of this east-dipping subduction zone does not seem to exceed 100 km in depth.

a. Manila Trench

b. Cotabato Trench

c. Philippine Trench

d. Negros Trench

 

Answer key is here. I advise that you check it out after finishing all sets.

Thanks.