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Geology of the PSEA > GOP QUIZ3 > Flashcards

GOP QUIZ3 Flashcards

1
Q
  1. Indo-Australian plate is converging at an average rate of ________ in a ______ direction.
A

70 mm/year;
in a 003° direction

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2
Q
  1. It is the peninsular extension of Eurasia.
A

Sundaland

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3
Q
  1. Papua is an extension of the continental lithosphere of ?
A

Australia

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4
Q
  1. The Philippine Sea Plate converges on the Eurasian plate at Taiwan in
    a ________ direction at _______ mm/year
A

307° direction;
at 86 mm/year

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5
Q
  1. It is a trace of a mantle hotspot (currently under Kerguelen Plateau). Furthest end is the Rajmahal traps (105 Ma)
A

Ninety-East Ridge

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6
Q
  1. When did the spreading ceased at the Wharton Ridge, and what was the cause of it?
A

Eocene;
Due to the collision of India with
Eurasia

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7
Q
  1. What is the largest subaerial delta in the world?
A

Ganga-Brahmaputra

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8
Q
  1. Where does the sediments derived from that fills the Bengal and Necobar fans?
A

Himalayas Mountains

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9
Q

9.

A

a

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10
Q
  1. This subduction is almost perpendicular such that subducting slab reaches
    greater depths.
A

Java-Sumbawa

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11
Q
  1. Papua is part of what plate?
A

Indo-Australian Plate

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12
Q
  1. Majority of the land forms in SEA was already formed during?
A

Triassic

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13
Q
  1. A mountain building that started in Permian to Triassic
A

Indosinian Orogeny

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14
Q
  1. Three distinct episodes of sea floor spreading
A

In the Argo Abyssal Plain;
Rapid northwards movement of India;
Spreading ceased at the Wharton Ridge

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15
Q
  1. Himalayas Mountains were formed by?
A

Collision of India to Eurasia

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16
Q
  1. At what rate does India moves?
A

15cm/yr to 17cm/yr

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17
Q
  1. An example of transform fault that is a product of two pairs of diverging plates.
A

Investigator Ridge

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18
Q
  1. Age of the furthest end, the Rajmahal traps
A

105Ma

19
Q
  1. Longest feature in the Indian Ocean
A

Ninety-East Ridge

20
Q
  1. Turbidity complexes found within Indian ocean
A

Bengal and Nicobar Fans

21
Q

21.Bengal and Nicobar Fans has the same source but separated by what feature?

A

Ninety-East Ridge

22
Q
  1. The world’s greatest recorded eruption was in ______ that occurred in ________.
A

Tambora(sumbawa);
1815

23
Q
  1. 4th greatest eruption recorded was in _____ that occured in ________.
A

Krakatau(java);
1883

24
Q
  1. Type example of obliquely convergent margin
A

Sumatra

25
Q
  1. The parallel component produces right-lateral strike-slip transform
    faults, which also called ?
A

Wrench fault

26
Q
  1. Volcanic arc that are closer to the subduction is typically _______.
A

Tholeiitic

27
Q
  1. Volcanic arc that are farthest (back-arc rifting) to the subduction is typically ________.
A

Alkaline

28
Q
  1. In Myanmar, the volcanic rocks lie on three distinct lines:
A

Western Line;
Central Line;
Eastern Line.

29
Q
  1. The west Burma Plate is bounded on the west by the _____________, and on the east by the ______________?
A

Indo-Burman Ranges suture;
Sagaing right-lateral wrench fault

30
Q
  1. Three main structural interpretations in Timor Collision Zone
A

Imbricate model;
Overthrust model;
Rebound model.

31
Q
  1. This marginal basin is actively subducting beneath the Sulu
    Archipelago, Zamboanga, and Negros.
A

Sulu Sea

32
Q
  1. It has the greatest free-air gravity anomaly
    of the whole region.
A

Banda Sea

33
Q
  1. Majority of the sedimentary basins of Asia are found in?
A

Sundaland Area

34
Q
  1. Exception in the Indosinian orogeny.
A

Baram Delta

35
Q
  1. Other name for Proto South China Sea
A

Danau

36
Q
  1. The geothermal gradient of
    the Central Sumatra Basin is very high, at ____________.
A

61 degrees Celsius/ Km

37
Q
  1. It has the most outstanding producer of oil, with 7577 ×
    106 barrels of oil.
A

Central Sumatra

38
Q
  1. When was the giant oilfield of Minas discovered?
A

in 1944

39
Q
  1. Untapped hydrocarbons in the Philippines is estimated to
    worth how much?
A

$26.3 trillion

40
Q
  1. It which covers 2,200 hectares straddling the provinces of Cotabato, Maguindanao and Sultan Kudarat, is estimated to hold 3.4 trillion cubic feet (TCF) of natural gas and 4.8 billion barrels (BBL) of crude oil.
A

Liguasan Marsh

41
Q
  1. When did the history of oil and gas started in the Philippines?
A

1896

42
Q
  1. Also known as the “Petroleum Act of 1949”
A

Republic Act No. 387

43
Q
  1. The oldest rocks of the whole of Southeast Asia are the high-grade Precambrian metamorphic rocks of the __________, located at _________.
A

Kontum Massif;
eastern Vietnam.

44
Q

41.

A

Geology of the PSEA (3 decks)

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