Geology of the Philippines Quiz Set B (Geology Reviewer)

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 17, 2020. Thank you.

Geology of the Philippines Quiz Set B

 

1. This plate extends over 11,000 km from the Atlantic Ocean to the Pacific Ocean.

a. Pacific Plate

b. Eurasian Plate

c. Indo-Australian Plate

d. Philippine Sea Plate

 

2. This basin is characterized by the presence of several submarine plateaus such as the Anami and Oki-Daito Ridges.

a. Parece Vela – Shikokiu Basin

b. Marianas Basin

c. West Philippine Basin

d. Ayu Basin

 

3. This ridge is presently colliding with the Japanese margin. The manifestations of this collision is observable on the Izu Peninsula in central Japan.

a. Izu-Bonin

b. Palau-Kyushu

c. West-Marianas

d. Oki-Daito

 

4. The marginal basins at the southern boundary of the Eurasian and Philippine Sea Plate is bordered by the _________________________.

a. continental blocks of Taiwan (true continental margin)

b. North Palawan (rifted from the Asian continental margin)

c. volcanic arcs of Sulu and North Sulawesi

d. all of the above

 

5. This separates the Sulu Sea Basin from the Celebes Sea Basin.

a. Cagayan de Sulu Ridge

b. Sulu-Zamboanga Arc

c. Celebes Sea Basin

d. North Palawan Block

 

6. This occurs when there is an emplacement of an oceanic basin and individualization/isolation of a portion of an oceanic crust from the rest of the basin.

a. rift basin

b. marginal basin

c. trapped basin

d. continental domain basin

 

7. This ridge is considered as an ancient volcanic arc active between 20 and 9 Ma.

a. Izu-Bonin

b. Palau-Kyushu

c. West-Marianas

d. Oki-Daito

 

8. This is composed of a series of en echelon ridges with a general direction of WNW-ESE.

a. Central Basin Fault

b. Kyushu-Palau Ridge

c. Oki-Daito Ridge

d. Parece Vela Rift

 

9. Mt. Pinatubo’s eruption on _______________ is the largest volcanic blast since Alaska’s Novarupta in 1912 with a Volcanic Explosivity Index (VEI) 6.

a. June 12, 1991

b. June 15, 1991

c. June 12, 1992

d. June 15, 1992

 

10. The Other Basins include the following, except:

a. Parece Vela – Shikokiu Basin

b. Marianas Basin

c. West Philippine Basin

d. Ayu Basin