Geologic Processes within the Earth​

Question 1

It is the slow process of deformation and movements of the Earth’s crust.

Answer 1

Diastropism​

Question 2

Mountain building and continent building are examples of

Answer 2

Diastropism​

Question 3

the result is the most common type of mountain called

Answer 3

fold mountains. ​

Question 4

It is a mountain building process that takes place at a convergent plate margin.

Answer 4

Orogeny

Question 5

It is the texture and mineral composition of rocks that are altered in response to elevated temperature and pressure.

Answer 5

metamorphism.

Question 6

The process of ——– does not melt the rocks, but instead transforms them into denser, more compact rocks.​

Answer 6

metamorphism

Question 7

Continents also minimize in size when new mountain belts reduce along their margin. T or F?

Answer 7

False (grow larger)

Question 8

were formed in Eastern to Northeastern America. It is 2400 km. ​

Answer 8

Appalachians

Question 9

It is associated with energy originating from the interior of the solid Earth.

Answer 9

Endogenic process?​

Question 10

It refers to the movement of magma or molten rock toward the Earth’s surface

Answer 10

VOLCANISM​

Question 11

It is composed of dissolved gases and suspended mineral grains or crystals.​

Answer 11

Magma

Question 12

Magma has a typical temperature of

Answer 12

700˚C to 1300˚C.

Question 13

formation of magma that occur by the rise of upwelling of mantle material to a region of lower pressure without a loss of heat or a changes in temperature.

Answer 13

Decomposition melting

Question 14

It is the addition of volatiles, such as water, carbon dioxide, and sulfur gases in rocks.

Answer 14

Flux melting

Question 15

Flux melting is under what type of plate boundary

Answer 15

convergent plate boundary.

Question 16

Decomposition melting usually occurs under what plate boundary

Answer 16

usually occurs in divergent plate boundaries

Question 17

When magma intrudes the cold crust and undergoes solidification, it loses and transfers its heat into the intruded crust, high enough to melt the surrounding rocks into new magma. ​

Answer 17

Heat transfer​

Question 18

Magma is categorized into three major types

Answer 18

Basaltic, andesitic, and rhyolitic.

Question 19

Basaltic Magma

Answer 19

It is composed of 45% to 55% silica with high amount of iron and magnesium and traces of potassium and sodium.

Question 20

Andesitic Magma

Answer 20

It consists of 55% to 65% silica with fair amount of iron, magnesium, calcium, sodium, and potassium. ​

Question 21

Rhyolitic Magma​

Answer 21

It is composed of 65% to 75% silica with high amount of potassium and sodium, and traces of iron, magnesium, and calcium.

Question 22

What is the most viscous type of magma?

Answer 22

Rhyolithic

Question 23

Three general types of volcanoes

Answer 23

shield volcano, cinder/tephra cone, and stratovolcano/composite​

Question 24

EXAMPLES OF SHIELD VOLCANOES

Answer 24

TAAL VOLCANO - MOUNT BANAHAW - KANLAON

Question 25

​STRATOVOLCANO VOLCANO

Answer 25

**MAYON VOLCANO - ISAROG VOLCANO**

Question 26

CINDER CONE VOLCANO

Answer 26

**MUSUAN VOLCANO - MOUNT MAYABOBO**

Question 27

Volcanoes that are morphologically young-looking but with no historical record of eruption.

Answer 27

Partially active volcanoes

Question 28

has no record of eruption and if its physical form is altered by the formation of deep and long gullies due to weathering and erosion.

Answer 28

Innactive volcano

Question 29

It can be considered an active volcano if it has:

Answer 29

1. erupted within the last 600 years 2. erupted within the last 10,000 years based on the analyses of datable materials. 3. been recorded by human history