Answer key will be provided on May 17, 2020. Thank you.
Geology of the Philippines Quiz Set F
1. This divides the Sulu Sea Basin into two.
a. Cagayan de Sulu Ridge
b. Sulu-Zamboanga Arc
c. Celebes Sea Basin
d. North Palawan Block
2. The interaction between the Philippine Sea Plate and the
southeastern edge of the Eurasian Plate created the _______________.
a. Bonin-Marianas-Yap Trench System
b. New Guinea insular arcs
c. Philippine Archipelago
d. Marianas Trench
3. Since ____, the mid-oceanic ridge separating the two continental
blocks of India and Australia has become inactive.
a. 50 Ma
b. 43 Ma
c. 5 Ma
d. 3 Ma
4. This ridge is considered as a relict volcanic arc of Middle Eocene
to Oligocene age.
a. Izu-Bonin
b. Palau-Kyushu
c. West-Marianas
d. Oki-Daito
5. The Pacific plate subducts under the ______________ along the Japan
Trench.
a. Pacific Plate
b. Eurasian Plate
c. Indo-Australian Plate
d. Philippine Sea Plate
6. The oceanic basins of the Philippine Sea Plate are separated from
each other by submarine ridges with axes generally oriented ___________.
a. N-S
b. E-W
c. NE-S
d. NW-S
7. This plate is composed of both continental and oceanic crust.
a. Pacific Plate
b. Eurasian Plate
c. Indo-Australian Plate
d. Philippine Sea Plate
8. The Pacific plate subducts under the ______________ along the
Bonin-Marianas-Yap Trench System.
a. insular arcs
b. Eurasian Plate
c. Indo-Australian Plate
d. Philippine Sea Plate
9. A poorly known portion on the southern extremity of the Philippine
Sea Plate where oceanic accretion appears to be occurring.
a. Parece Vela – Shikokiu Basin
b. Marianas Basin
c. West Philippine Basin
d. Ayu Basin
10. This plate is colliding with a complex zone of insular arcs which
have been active since the Mesozoic.
a. Pacific Plate
b. Eurasian Plate
c. Indo-Australian Plate
d. Philippine Sea Plate
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