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FINAL EXAM > GEOLOGY OF SOUTH EAST ASIA AND THE PHILIPPINE ISLANDS > Flashcards

GEOLOGY OF SOUTH EAST ASIA AND THE PHILIPPINE ISLANDS Flashcards

1
Q

The Philippine Island is located at

A

Philippine Mobile Belt

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2
Q

Surrounded by 3 major plates

A

Philippine Mobile belt

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3
Q

the 3 plates surrounding the Philippine Mobile Belt?

A
  1. Pacific Plate
  2. Eurasian Plate
  3. Indo-Australian plate
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4
Q

Pacific Plate is composed of

A

Oceanic crust

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5
Q

Age of Pacific Plate

A

150 Ma (Late Jurassic)

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6
Q

The Pacific Plate is moving ______ at ______ per year.

A

Northwest , 80mm

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7
Q

Kinematics reorganization of the Pacific Plate happened during

A
  1. 43 MY (eocene) at 50° Counter clockwise (NNW to WNW)
  2. 5 MY (miocene) at 10° Clockwise
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8
Q

Pacific Plate subducts at

A
  1. Under Eurasian plate along Japan trench
  2. Under Philippine Sea plate along Bonin-Marianas Yap trench system.
  3. Under Indo-Australian, east of New Zealand.
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9
Q

Why does the Pacific Plate only age up to 150 MY?

A

Because the material there are being SUBDUCTED

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10
Q

Evidence used to identify the rotation/ manifestation that happened 25 MY

A

Emperor Seamount

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11
Q

Eurasian Plate is composed of

A

Entirely continental crust except at the marginal basin

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12
Q

The Eurasian Plate is moving ______ per year

A

3mm

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13
Q

Fixed / stable plate since 50 Ma (late miocene)

A

Eurasian plate

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14
Q

2 components of the Indo-Australian plate

A

Continental and Oceanic

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15
Q

The continental component of Indo-Australian plate

A

India and Australia

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16
Q

The oceanic component of Indo-Australian plate

A

Indian Ocean

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17
Q

the fastest moving plate

A

Indo-Australian plate

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18
Q

Indo-Australian plate moves _______ at _______mm/yr

A

Northward motion, 107

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19
Q

Australia and India separated because?

A

The development of MOR

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20
Q

The separation of Australia and India started _______ and cease during ______

A

150 MY (Late Jurassic) (start) ; 43MY (Middle Eocene) (end)

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21
Q

The India part of the Indo-Australian plate collides with

A

Eurasian plate (in the Himalayas)

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22
Q

The oceanic portion of Indo - Australian Plate subducts under Eurasian Plate along the ____________

A

Java Trench

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23
Q

The Philippine Sea Plate is subdivided to

A
  1. Ocean Basin
  2. Submarine Ridges
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24
Q

The Ocean Basin of the Philippine Sea Plate is subdivided to

A
  1. West Philippine Basin
  2. Other Basins
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25
Q

The Other Basins of the Philipppine Sea Plate is subdivided to

A
  1. Parece Vela - Shikoku
  2. Marianas Basin
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26
Q

The Submarine Ridges of the Philippine Sea Plate is subdivided to

A
  1. Palau-Kyushu Ridge
  2. Izu-Bonin Ridge
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27
Q

The Izu-Bonin Ridge is subdivided to

A
  1. East Marianas
  2. West Marianas
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28
Q

Occupies almost 50% of the Philippine Sea Plate

A

West Philippine Basin

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29
Q

West Philippine Basin is composed of

A

3 submarine plateau

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30
Q

3 submarine plateau in the West Philippine Basin

A
  1. Benham Rise
  2. Urdaneta Plateau
  3. Anami oki-daito ridges
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31
Q

Base on _________, West Philippine Basin is age 35 MY to 60 MY

A

Paleomagnetic Data

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32
Q

West Philippine Basin is age 42 to 53 MY based on

A

Deep sea Drilling

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33
Q

An extinct MOR in the WPB

A

Central Basin Fault

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34
Q

Central basin fault trends from ________ to _______

A

WNW to ESE

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35
Q

The one responsible for the spreading or generation of the WPB

A

Central Basin Fault

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36
Q

Stages of Opening of WPB

A
  1. 60 and 45 MY at NE-SW (4.4 cm/year of half spreading rate)
  2. 45 and 35 MY at NS orientation (1.8 cm/yr)
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37
Q

2 models for the WPB’s Origin

A
  1. Trapped Oceanic Basin
  2. Back Arc Basin
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38
Q

Trapped Oceanic Basin states that

A

WPB is enclosed by older ridges

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39
Q

Back Arc Basin Model states that

A

As subduction goes along, if the slab is older and colder it will therefore be pushed back or roll back because it gets heavier and as it rolls back it pulls/ trigger the spreading of the central basin faults which causes the generation of the WPB

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40
Q

During the Opening of the West Philippine Basin the _________ correspond to a relict volcanic arc that travelled to the NE. (According to Back Arc Basin Model)

A

Oki - Daito

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41
Q

An Oceanic Crust Basin that accelerates on a N-S spreading axis

A

Parece Vela - Shikoku Basin

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42
Q

The 1st Stage of the opening of the Parece Vela - Shikoku Basin starts at ______ and correspond to ________

A

30 Ma ; Parece Vela

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43
Q

The 2nd Stage of the opening of the Parece Vela - Shikoku Basin starts at ________ and correspond to ________

A

10 Ma; Shikoku

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44
Q

The Parece Vela - Shikoku Basin stops it movement at

A

17 Ma

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45
Q

It is a presently active Basin and opens around 6 Ma

A

Marianas Basin

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46
Q

The Opening of the Marianas Basin is usually associated with

A

an eastward migration of the subduction of the Pacific Plate under the Philippine Sea Plate

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47
Q

Poorly known portion on the Southern extremity of the Philippine Sea Plate

A

Ayu Basin

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48
Q

It divides the West Philippine Basin and the Parece Vela - Shikoku Basin

A

Palau - Kyushu Ridge

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49
Q

Palau - Kyushu Ridge traverse the Philippine Sea Plate for _________ km

A

2500 km

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50
Q

Palau - Kyushu Ridge is considered as a relic volcanic arc of the _________ to _________ age

A

Middle Eocene to Oligocene

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51
Q

Following the Trapped Basin Model the Palau - Kyushu Ridge what happened at 43 Ma

A

Transform fault to subduction

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52
Q

Following the Trapped Basin Model the Palau - Kyushu Ridge what happened at 30 Ma

A

the subduction retreated eastward

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53
Q

Eastern limit of the Shikoku Basin

A

Izu - Bonin Ridge

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54
Q

Izu - Bonin Ridge Represent the volcanic arc of the present active __________ colliding with the ____________

A

Bonin Trench ; Japanese Margin (Izu Peninsula)

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55
Q

Two branches of Izu - Bonin Ridge towards south

A
  1. West Marianas Ridge
  2. East Marianas Ridge
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56
Q

An ancient volcanic arc active between 20 to 9 Ma

A

West Marianas Ridge

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57
Q

Volcanic Arc of the presently active Marianas Trench

A

East Marianas Ridge

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58
Q

Defines the W and E limits of Marianas Basin

A

East Marianas Ridge

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59
Q

Tectonic Nature of the Boundaries of the Philippine Sea Plate

A
  1. To the E, defined by the Bonin – Marianas – Yap
    Trench system
  2. To NW, subducts under the Japanese Archipelago
    along the Nankai and Ryukyu Trench
  3. Collides with the Eurasian Margin in Taiwan
  4. To SW, subducts into Philippine Archipelago along
    Philippine Trench System
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60
Q

Present Day Kinematics of the Philippine Sea Plate

A

NW displacement direction

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61
Q

3 Main Kinematic parameters of Philippine Sea Plate with Respect to Eurasia

A
  1. Rotation pole located NE of Japan
  2. Relative displacement rate that varies from N to
    S along the western edge of the PSP, from 3
    cm/yr in the latitude of the Nankai Trough to
    around 9 cm/yr on the southern end of the
    Philippine Trench
  3. Relative displacement direction whose azimuth is
    directed N55W near Taiwan with a linear velocity
    around 7 cm/yr
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62
Q

The reorganization of the Old Kinematics of the Philippine Sea Plate happened

A

4 Ma

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63
Q

Old Day Kinematics of Philippine Sea Plate

A
  1. The direction of the PSP/Eurasian relative movement has changed from NNW to WNW since 5 Ma based on Taiwan collision and Izu-Misira-Boso Region of Japan
  2. In Taiwan, 4 to 6 Ma, 40 degrees CCW
  3. In Japan, 2 to 3 Ma, 30 degrees CCW
  4. Northward component of the plate’s movement happens between Eocene and Pliocene based on paleomagnetic records in Benham Rise
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64
Q

The Marginal Basins that has an affinity with the Eurasian Plate

A
  1. South China Sea Basin
  2. Sulu Sea Basin
  3. Celebes Sea Basin
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65
Q

South China sea has a depth of

A

4km

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66
Q

South China Sea opened during

A

32 and 17 Ma

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67
Q

The opening of South China Sea was preceded by

A

Rifting

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68
Q

The rifting that happened after the opening of South China sea could have take place

A

Between late Cretaceous and Late Eocene

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69
Q

2 stages of opening in South China Sea

A
  1. 32 to 17 Ma; along E-W axis
  2. 20 to 17 Ma ; along NE-SE axis
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70
Q

Situated immediately to the Southeast of Palawan.

A

Sulu Sea Basin

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71
Q

Composed of two sub-basin that are separated by an E-NE trending the Cagayan de Sulu ridge

A

Sulu sea Basin

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72
Q

Sulu Sea Basin is composed of two sub-basin that are separated by an E-NE trending which is the __________________

A

Cagayan de Sulu Ridge (CSR)

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73
Q

Sulu Sea Basin Formed Starting during ______________

A

20 Ma (Early Miocene)

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74
Q

Age of Cagayan de Sulu Ridge

A

14.7 Ma

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75
Q

Cagayan de Sulu (CSR) subdivides the Sulu Sea Basin (SSB) into

A
  1. NW Sub-basin
  2. SE Sub-basin
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76
Q

Separates the Sulu Sea Basin from the Celebes Sea Basin

A

Sulu-Zamboanga Ridge

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77
Q

Age of Sulu-Zamboanga Ridge

A

Pleistocene to Holocene

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78
Q

Located at SE of Sulu Basin and Sulu-Zamboanga Arc.

A

Celebes sea basin

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79
Q

Celebes Sea Basin has an age of ______________________ based on the ENE-WSW oriented magnetic anomalies

A

Eocene age (around 55 to 42Ma)

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80
Q

The assigned age of Celebes Sea Basin was supported by _____________________________ blanketing the MORB - like oceanic basement

A

Results of Radiolarian dating of Pelagic Sediments

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81
Q

West dipping Subduction zone.

A

Philippine Trench and East Luzon Trough

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82
Q

Age of Philippine Trench

A

5 Ma

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83
Q

Westward Subduction of PSP under them eastern Philippine arc

A

Philippine Trench

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84
Q

Coordinate of Philippine Trench

A

4N - 15N

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85
Q

(Philippine Trench) __________ degrees to the North Benioff Zone but plunges to over 45 degrees to the South

A

20 degrees

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86
Q

(Philippine Trench) 20 degrees to the North Benioff Zone but plunges to over ________________ degrees to the South

A

45 degrees

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87
Q

The maximum length of subducting slab of the Philippine Trench

A

250 km

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88
Q

The volcanic arc traced from Bicol to Leyte

A

Philippine Trench

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89
Q

Moluccas Collision Zone is manifested by the ____________________

A

Philippine Trench

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90
Q

(Philippine Trench) To completely consume 250 km of slab subducted at 8 cm/yr would take _____________

A

3.1 Ma

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91
Q

(Philippine Trench) To completely consume 250 km of slab subducted at ____________ would take 3.1 Ma

A

8 cm/yr

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92
Q

Presently shows signs of movement

A

East Luzon trough

93
Q

Movement of East Luzon Trough

A

Northward Direction

94
Q

Age of East Luzon Trough

A

Early Miocene

95
Q

Coordinate of East Luzon Trough

A

16N-18N

96
Q

East dipping Subduction zone

A

Manila trench, Negros trench, and Cotabato trench

97
Q

Subduction of the oceanic crust of the South China sea under the Luzon Arc

A

Manila trench

98
Q

Bathymetric Depression of Manila Trench

A

5100m

99
Q

Sedimentary fill of Manila Trench

A

250 to 2600 m thick

100
Q

(Manila Trench) Benioff Zone is ______________ on its southern portion, but flattens off towards the north

A

steep

101
Q

(Manila Trench) Benioff Zone is steep on its southern portion, but _______________ off towards the north

A

flattens

102
Q

Mindoro-Panay Collision zone is under ___________________

A

Manila Trench

103
Q

Manila Trench started around

A

Either 15 Ma (Wolfe 1981 and Hayes & Lewis 1984) or Older than 15 Ma (Malettere 1989)

104
Q

Coordinate of Manila Trench

A

22N - 13N

105
Q

Oceanic crust of the Sulu Sea Basin is being consumed

A

Negros trench

106
Q

(Negros Trench) Subducted oceanic slab does not seem to exceed _____________

A

100km

107
Q

It’s subduction is marked by the presence of an arc which has been active since its initiation at -10 Ma

A

Negros trench

108
Q

Negros Trench started around

A

10 Ma

109
Q

Coordinate of Negros Trench

A

10N

110
Q

A left lateral strike slip fault in Mindanao that links the Cotabato Trench and negros trench

A

Cotabato fault.

111
Q

The activity along the Cotabato Trench is fairly ___________ as suggested by its poorly developed Benioff Zone

A

recent

112
Q

This trench consumes the Celebes sea basin, and the corresponding volcanic arc can be found on the Western margins of Mindanao

A

Cotabato Trench

113
Q

(Cotabato Trench) Subduction is marked by earthquakes down to around ____________ depth

A

100 km

114
Q

Subduction along the Cotabato Trench is ________________, similar to what they perceived for the initiation of subduction zones along the Sulu Sea Margin

A

younger than 5 Ma

115
Q

Continental- Arc Collision

A

Taiwan Collision Zone

116
Q

Taiwan Collision Zone has a length/depth of

A

400 km

117
Q

(Taiwan Collision Zone) __________ start of collision with PSP and EP

A

4 Ma

118
Q

Taiwan Collision Zone can be seen on ________________

A

Taiwan-Luzon-Mindoro Belt

119
Q

Age of Mindoro-Panay Collision Zone

A

Miocene

120
Q

Palawan-Mindoro Microcontinent (PMMC) enters into collision with the central portion of the PMB

A

Mindoro-Panay Collision Zone

121
Q

The Collision in the Mindoro-Panay Collision Zone decreased since ____________

A

Pliocene

122
Q

The Collision in South of Mindanao Island and Moluccas Sea

A

Moluccas Sea Collision Zone

123
Q

Moluccas Sea Collision zone is subducting into ______________

A

two direction which is the east and west

124
Q

Age of Moluccas Sea Collision

A

Late Miocene

125
Q

The Western Slab of the Moluccas Sea Collision subducts at

A

600 km

126
Q

The Eastern Slab of the Moluccas Sea Collision subducts at

A

200 km

127
Q

Sanghire and Halmahera is separated by

A

100 km

128
Q

The Geology of the PMB is subdivided to

A
  1. Metamorphic Rocks
  2. Ophiolites and Ophiolitic Belts
  3. Magmatic Arcs
  4. Sedimentary Basins
129
Q

Pre - Cretaceous Metamorphic Rocks of Continental Origin:

A
  1. Carmaoy Schist
  2. Halcon Metamorphics
  3. Romblon Metamorphics
  4. Buruang Metamorphics
  5. Tungauan Schist
130
Q

Cretaceous Metamorphic Rock of Insular Arc Affinity:

A

Basic to Ultramafic in character

131
Q

The Pre – Cretaceous Metamorphic Rocks of Continental Origin is characterized by __________ and concentrated on the _________________

A

high Silica ; Western Portion of the Philippines

132
Q

The Cretaceous Metamorphic Rock of Insular Arc Affinity do not extend beyond ___________

A

Paleogene

133
Q

Complete Ophiolites

A
  1. Zambales
  2. Isabela
  3. Palawan
  4. Pujada
134
Q

Youngest Ophiolite

A

Mindoro (Amnay)

135
Q

Oldest Magmatic Arc

A

Cebu (Cretaceous)

136
Q

Ages of the ancient magmatic arc in the Philippines

A
  1. Cretaceous
  2. Early Eocene to Oligocene
  3. Middle Miocene to Late Miocene
  4. Miocene to Pliocene
  5. Plio - Pleistocene
137
Q

Active Volcanic Arcs

A
  1. Luzon Volcanic Arc
  2. East - Philippine Arc
  3. Negros - Panay Arc
  4. Sulu - Zamboanga Arc
  5. Cotabato Arc
138
Q

Sedimentary Basin that are PMB Affinity

A
  1. Ilocos - Central Luzon Basin
  2. Cagayan Valley Basin
  3. Southern Luzon - Bicol Basin
  4. Mindoro Basin
  5. Iloilo Basin
  6. Visayan Sea Basin
  7. Samar Basin
  8. Agusan - Davao Basin
  9. Cotabato Basin
139
Q

Sedimentary thickness of Ilocos Central Luzon Basin

A

8000m / 8 km

140
Q

Sedimentary thickness of Cagayan Valley Basin

A

8,100m / 8.1 km

141
Q

Sedimentary thickness of Southern Luzon - Bicol Basin

A

4,600 m / 4.6 km

142
Q

Sedimentary thickness of Iloilo Basin

A

5,000m / 5km

143
Q

Sedimentary thickness of Visayan Sea Basin

A

4,000 / 4 km

144
Q

Sedimentary thickness of Agusan - Davao Basin

A

12,000 m / 12km

145
Q

Sedimentary thickness of Cotabato Basin

A

8,000 m / 8km

146
Q

Basement Rock/s of Southern Cordillera Range

A

Pugo Formation

147
Q

Basement Rock/s of Central Cordillera Range

A

Lepanto Metavolcanics

148
Q

Basement Rock/s of Northern Cordillera

A

Suyo Schist

149
Q

Basement Rock/s of Cagayan Valley Basin

A

Abuan Formation

150
Q

Basement Rock/s of Central and Eastern Northern Sierra Madre

A

Casiguran Ophiolite

151
Q

Basement Rock/s of Carballo Range

A

Carballo Formation

152
Q

Basement Rock/s of Northern Sierra Madre

A

Angat Ophiolite

153
Q

Basement Rock/s of Zambales Range

A

Zambales Ophiolite

154
Q

Basement Rock/s of Southwest Luzon (BATANGAS)

A

San Juan Formation

155
Q

Basement Rock/s of Southwest Luzon (NE MINDORO)

A

Halcon Metamorphics

156
Q

Basement Rock/s of Southwest Luzon (SW MINDORO)

A

Mansalay Formation

157
Q

Basement Rock/s of Southwest Luzon (MARINDUQUE)

A

Marinduque Formation

158
Q

Basement Rock/s of Southwest Luzon (BONDOC)

A

Gumaca Schist

159
Q

Basement Rock/s of Southeast Luzon Basin (MASBATE ISLAND)

A

Baleno Schist

160
Q

Basement Rock/s of Southeast Luzon Basin (TICAO ISLAND)

A

Danao Schist

161
Q

Basement Rock/s of Southeast Luzon Basin (BURIAS AND ADJACENT ISLANDS)

A

Makalawang Limestone

162
Q

Basement Rock/s of Southeast Luzon Arc (Quezon - Camarines Norte)

A

Maliguit Formation

163
Q

Basement Rock/s of Southeast Luzon Arc (Caramoan Peninsula)

A

Siruma Schist

164
Q

Basement Rock/s of Southeast Luzon Arc (Catanduanes)

A

Yop Formation

165
Q

Basement Rock/s of Southeast Luzon Arc (Rapu - rapu Island)

A

Rapu- Rapu Schist

166
Q

Basement Rock/s of Southeast Luzon Arc (Bicol Peninsula)

A

Pangasinan Peridotite

167
Q

Basement Rock/s of North Palawan Block (Northern Palawan)

A

Bacuit Formation

168
Q

Basement Rock/s of North Palawan Block (Romblon)

A

Romblon Metamorphic Complex

169
Q

Basement Rock/s of South Palawan Block

A

Beaufort Ultramafic Complex (Southern Palawan)

170
Q

Basement Rock/s of Panay Island (Buruanga)

A

Buruanga Metamorphic Complex

171
Q

Basement Rock/s of Panay Island (Antique)

A

Antique Ophiolite

172
Q

Basement Rock/s of Panay Island (Central Panay - Iloilo Basin)

A

Panpanan Formation

173
Q

Basement Rock/s of Panay Island (Eastern Panay)

A

Sibala Formation (Eastern Panay)

174
Q

Basement Rock/s of Negros

A

Basak Formation

175
Q

Basement Rock/s of Cebu (Northern/Central Cebu)

A

Tunlob Schist

176
Q

Basement Rock/s of Cebu (Southern Cebu)

A

Pandan Formation

177
Q

Basement Rock/s of Cebu (Siquijor Island)

A

Kanglasog Volcanic Complex

178
Q

Basement Rock/s of Bohol

A

Alicia Schist

179
Q

Basement Rock/s of Samar

A

Samar Ophiolite

180
Q

Basement Rock/s of Leyte (Western Leyte/ Camotes Island)

A

Malitbog Ophiolite

181
Q

Basement Rock/s of Leyte (Central Highlands)

A

Albuera Diorite

182
Q

Basement Rock/s of Leyte (Eastern Leyte)

A

Tacloban Diorite

183
Q

Basement Rock/s of Dinagat Group of Islands

A

Nueva Estrella Schist

184
Q

Basement Rock/s of Sulu Archipelago

A

Sulu Serpentinite

185
Q

Basement Rock/s of Zamboanga (Zamboanga Peninsula)

A

Tangauan Schist

186
Q

Basement Rock/s of Zamboanga (North - Central Zamboanga)

A

Dansalan Metamorphic Complex

187
Q

Basement Rock/s of Zamboanga (Sibuguey Peninsula)

A

Mangabel Formation

188
Q

Basement Rock/s of Central Mindanao

A

Tago Schist

189
Q

Basement Rock/s of Agusan Davao Basin (Agusan Basin)

A

Adgaoan Formation

190
Q

Basement Rock/s of Agusan Davao Basin (Davao Basin)

A

Kabagtican Formation

191
Q

Basement Rock/s of Agusan Davao Basin (Davao Gulf - Samal Island)

A

Tagobo Conglomerate

192
Q

Basement Rock/s of Mindanao Pacific Cordillera (Northern Pacific Cordillera)

A

Dinagat Ophiolite

193
Q

Basement Rock/s of Mindanao Pacific Cordillera (Central Pacific Cordillera)

A

Baggo Limestone

194
Q

Basement Rock/s of Mindanao Pacific Cordillera (Southern Pacific Cordillera)

A

Barcelona Formation

195
Q

Basement Rock/s of Daguma Range

A

Salbuyan Schist

196
Q

Basement Rock/s of Cotabato Basin

A

Patut Formation

197
Q

Basement Rock/s of Sarangani Peninsula

A

Malita Formation

198
Q

Basement Rock/s of Pujada Block

A

Pujada Ophiolite

199
Q

Intense deformation affects the PMB with the sinistral Philippine Fault transecting the archipelago from Luzon to Eastern Mindanao for more than _____________________

A

1200 km

200
Q

This fault system appears to accommodate a lateral component of the oblique convergence between the Philippine Sea plate and Eurasian Plate with the the other component being absorbed by subduction along the Philippine Trench, under a shear portioning mechanism

A

Philippine Fault Zone

201
Q

This mechanism implies synchronous formation of the fault and trench

A

Shear partitioning mechanism

202
Q

Age of Philippine Fault Zone

A

around 4 Ma (Plio- Pleistocene)

203
Q

Three Segments of the Philippine Fault Zone

A
  1. Northern Segment: NW Luzon to Lamon Bay
  2. Central Segment: Bondoc Peninsula to Leyte
  3. Southern Segment: Mindanao to Moluccas
204
Q

Northern Segment of the Philippine Fault Zone

A

NW Luzon to Lamon Bay

205
Q

Faults Included in the Northern Segment of the Philippine Fault Zone

A
  1. San Miguel - Vigan - Aggao Fault System
  2. Pugo Fault
  3. Tuba Fault
  4. Tebbo - Abra Fault
  5. Digdig - Kabugao Fault
206
Q

Central Segment of the Philippine Fault Zone

A

Bondoc Peninsula to Leyte

207
Q

Southern Segment of the Philippine Fault Zone

A

Mindanao to Moluccas

208
Q

Also known as the “valley fault system”

A

Marikina Valley Fault

209
Q

It consists of 2 NE trending faults: Western and Eastern Valley Fault

A

Marikina Valley Fault

210
Q

Its trend is NNE - SSW and has 5 active volcanoes namely Taal, Banahaw, Makiling, Malepunyo and the Maars of Laguna

A

Macolod Corridor

211
Q

Active Volcanoes in Macolod Corridor

A
  1. Taal
  2. Banahaw
  3. Makiling
  4. Malepunyo
  5. The Maars of Laguna
212
Q

Left - Lateral Movement, NW trending

A

Lubang-Verde Passage Fault

213
Q

N-S trending - right lateral with a significant normal component

A

Mindoro/ Aglubang Fault

214
Q

A new branch of Philippine Fault by Bischke et.al however Aurelio contradict it saying that it is Transtensional Regime located offshore of Masbate

A

Sibuyan Sea Fault

215
Q

SE trending, that continues up to the Philippine Trench

A

Legaspi Lineament

216
Q

A tectonic boundary between the Palawan - Mindoro Micro Continental block

A

Tablas Lineament

217
Q

NS Trending, Right Lateral Strike Slip Fault

A

Tablas Lineament

218
Q

NW Trending - Left Lateral and has 2 distinct Segment

A

Mindanao Fault

219
Q

2 distinct segment of Mindanao Fault

A
  1. The Cotabato Fault Segment (South)
  2. Sigdanagan Fault (North)
220
Q

OffShore (1)_______ and (2)___________ Faults

A
  1. Cebu
  2. Bohol
221
Q

It occurred on Oct 15, 2013 with magnitude of Ms. 7.2 and is NE Trending

A

North Bohol Fault

222
Q

NE trending and occurred on Feb. 6, 2012 with Ms 6.7

A

Negros Thrust

223
Q

Movement of Zambaoanga

A

<2cm/yr Westward

224
Q

Movement of Virac Island

A

7cm/yr NW

225
Q

Slowest Island to move in the PH

A

Zamboanga

226
Q

Fastest Island to move in the PH

A

Virac Island

227
Q

Oldest Stratigraphy in the PH

A

Bacuit Formation in Palawan (Northern Palawan)

228
Q

Youngest Stratigraphy in the PH

A

Pleistocene - Recent Volcanics / Batanes Volcanics in Batanes (Central Cordillera & Batanes)

FINAL EXAM (8 decks)

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