Brief History and Land Formations

Question 1

Mindanao is known as ______

Answer 1

Land of many lakes

Question 2

How many sq. km. or percent is the total land area of Mindanao?

Answer 2

92,00 sq. km. or 34%

Question 3

What resulted to the geographical development of Mindanao?

Answer 3

• Island has a long and irregular coastline
• Many bays and peninsulas
• Numerous volcanoes
• High peak mountain ranges

Question 4

It is a period which began 135 mya, where Philippines was once parts of the Asian continent as indicated in the presence of some land mass including the paneplains of Mindanao.

Answer 4

Cretaceous period

Question 5

___________ is a period or age where a rift separated the Philippines from Formosa or known as _____.

Answer 5

• End of the Cretaceous Period and towards the Middle Tertiary Period or Miocene Age
• Taiwan

Question 6

What are the geological events that took place between the Miocene age?

Answer 6

There was intense volcanism which resulted in more mountain-building and pushing of new lands. Mindanao was believed to be the product of this event.

Question 7

It is a period or age where Mindanao has five distinct islands: _____, ______, ______. ______, and _______.

Answer 7

• late Piocene and early Pleistocene period or Ice Glacial Age.
• Zamboanga Peninsula, Agusan Valley, land south of Cotabato River, land near Lake Lanao, land between Agusan Valley and Bukidnon

Question 8

What are the two distinct land connections

Answer 8

Palawan- -Borneo land brindge and Sulu-Mindanao-Borneo linkage

Question 9

What certain fauna present in different regions as land bridged were permitted?

Answer 9

Stegedon and Elephas (Elephants)

Question 10

Mindanao is the second-largest island in the Philippines and has the greatest _________ development

Answer 10

Physiographic

Question 11

How many mountain ranges does Mindanao can be conveniently grouped?

Answer 11

Five (5)

Question 12

The group of mountain ranges includes both the ______ and _________

Answer 12

Complex structural mountains and volcanoes

Question 13

The structural mountains on the extreme eastern and western portion of the island show broad exposures of _________ rock with ____________ rock at the surface

Answer 13

Mesozoic rock with Ultra-basic rocks

Question 14

From Bilas Point in Siargao del Norte to Cape Agustin in Southern Davao, is a range of complex mountains known in their northern portion called ___________

Answer 14

Diwata Mountains

Question 15

This range is low and rolling in its central portion, reaching a maximum elevation of only 450 meters.

Answer 15

Diwata Mountains

Question 16

The Diwata Mountains, north of these low portion, are considerably higher and more rugged, reaching an elevation of 2,012 meters in ____________, 17 miles northeast of _____________.

Answer 16

Mount Hilonghilong

Butuan City

Question 17

The series of small coastal lowlands of east-facing coastal regions of ________ and ________ separated others one from the other by rugged forelands that extend to the water’s edge.

Answer 17

Davao and Surigao del Sur

Question 18

________ are numerous coral reefs and tiny islets

Answer 18

Off-shores

Question 19

A few miles off-shore is found the Mindanao or ________

Answer 19

Philippine Deep

Question 20

A second north-south range extends along the western boarders of ______ and _____ from ________ in the north to _______ in the south.

Answer 20

Agusan and Davao

Camiguin Island to Tinaca point

Question 21

An ocean trench, reaching measured depths of 35,400 ft., marks one of the greatest depths known on the earth’s surface

Answer 21

Philippine Deep

Question 22

This range is mainly structural in origin, but it also contains at least three active volcanoes

Answer 22

North-South Range

Question 23

West of the city of Davao has two active volcanoes:

Answer 23

Mount Talomo (2,693 meters)

Mount Apo (A range 2,954 meters)

Question 24

A range in western Mindanao which has aa complex structural mountains forms the long, handle like ________

Answer 24

Zamboanga-Peninsula (1,200 meters)

Question 25

There are several places in the Zamboanga Mountains where ________ have been created with some potential for future agricultural development

Answer 25

Intermountain basins

Question 26

A series of volcanic mountains are found in ______ in a broad arc through ___________, ___________, and __________.

Answer 26

Lake Lanao Lanao del Sur, northern Cotabato, western Bukidnon provinces.

Question 27

There are 20-odd peaks in this area, how many are active?

Answer 27

Six (6)

Question 28

A peak with four crater lakes, easily seen from Cotabato

Answer 28

Butig Peak

Question 29

An active cone reaching 2,815 meters, is the MOST ISOLATED

Answer 29

Mount Ragang

Question 30

A mountain that has the greatest height in Bukidnon at 2,896 meters

Answer 30

Mount Kitanglad

Question 31

In South Cotabato, another range of volcanic mountains found, this time _________ the coast

Answer 31

Paralleling the coast

Question 32

It is a mountain that has an almost circular crater lakes measures a mile and a quarter in diameter and lies 300 meters below its 2,040-meter summit.

Answer 32

Mount Parker

Question 33

A second important physiographic division of Mindanao is the series of upland plateaus in _______ and ________ provinces

Answer 33

Bukidnon and Lanao del Sur provinces

Question 34

It is composed of basaltic lava flows interbedded with ash and volcanic tuff. Deep canyons near their edges cut it, and spectacular waterfalls drop to the narrow of the coast plain at several points.

Answer 34

A plateau

Question 35

This falls hold considerable promise for the development of "hydroelectric energy"

Answer 35

Maria Cristina Falls

Question 36

It occupies the major portion of one such plateau area in Lanao del Sur

Answer 36

Lake Lanao

Question 37

It is the largest lake in Mindanao and ranked second in the entire country is roughly triangular in shape with an ___-mile long base.

Answer 37

Lake Lanao 18-mile long base

Question 38

A city in the northern tip of the lake, bisected by the _________ river which feeds the Maria Cristina Falls

Answer 38

Marawi City Agusan River

Question 39

Falls that present one of the nation's scenic wonders at the gateway to a LANDFORMS

Answer 39

Jose Abad Santos Falls at Malabang

Question 40

Mindanao contains two large inland lowland areas

Answer 40

The valleys of the Agusan in Agusan are and Mindanao Rivers in Cotabato Provinces

Question 41

It occupies a broad syncline between the central mountains and the east coast mountains. This valley measure 110 miles from south to north and varies from 20 to 20 miles in width

Answer 41

Agusan Valley

Question 42

35 miles north of the head of DAVAO GULF, lies ahead a watershed between the AGUSAN and the tributaries of the _____________ which flow to the Gulf

Answer 42

Libuganon River

Question 43

The Mindanao River has its main tributaries, what are these?

Answer 43

The Catisan and Pulangi

Question 44

The Southern extension of the Cotabato Valley extends uninterrupted across a 350-meter watershed from ______________ on the northwest to ___________ on the southeast

Answer 44

Illana Bay Sarangani Bay

Question 45

One of the lowlands of the coastal nature of Mindanao that has tiny, isolated pockets.

Answer 45

The northwest coastline of Zamboanga

Question 46

In other areas, the coastal lowlands are as much as ten miles wide and several times length

Answer 46

Davao Plain

Question 47

From _____ to ________ extends a rolling coastal plain of varying width.

Answer 47

Butuan City to Misamis OCcidental

Question 48

Dormant Mountain that created a lowland averaging 8 miles in width

Answer 48

Mt. Malindang

Question 49

Shallow _____ divides the province from Lanao del Norte and is bordered by low-lying, poorly-drained lowlands, and extensive mangroves

Answer 49

Panguil Bay

Question 50

A place where the plain is narrower and in places almost pinched out by rugged forelands which are rich to the sea

Answer 50

Misamis Oriental

Question 51

A mountain that runs a few miles off the tip of this lowland-rimmed protection lies the land of Camiguin. The most recent violent eruption occured in 1951

Answer 51

Mt. Hibok-Hibok

Question 52

Immediately south of ZAMBOANGA PENINSULA lies ______. South of it lies _________ that extends 200 miles

Answer 52

Basilan Island Sulu