Lesson 7: Structure and Evolution of Ocean Basin

Question 1

What covers the largest area of the earth’s surface?

Answer 1

Ocena Basins

Question 2

Where ocean basin came from?

Answer 2

Volcanic rock

Question 3

Where volcanic rock came from?

Answer 3

From the fissure that is located at the mid-ocean ridges.

Question 4

Ocean basins are continuosly evolving and how many major ocean subdivision are formed?

Answer 4

Four major ocean subdivision

Question 5

What are the four major ocean subdivision?

Answer 5

1. North and South Pacific
2. North and South Atlantic
3. Indian Ocean
4. Arctic Ocean

Question 6

What is the largest, deepest and oldest existing ocean basin?

Answer 6

Pacific Ocean Basin

Question 7

What is the second largest ocean basin?

Answer 7

Atlantic followed by Indian Ocean

Question 8

What is the smallest ocean basin?

Answer 8

Arctic Ocean Basin

Question 9

What are the features and structures formed in the formation of ocean basin?

There are 8

Answer 9

1. Continental Shelf
2. Continental Slope
3. Continental Rise
4. Abyssal plain
5. Island
6. Seamount
7. Trench
8. Mid-ocean ridge

Question 10

What is the structure of the ocean basin that refer to the partly shallow extention of the continent underwater?

Answer 10

Continental Shelf

Question 11

What is the structure of the ocean basin that refer to the transition of the continental shelf and deep ocean floor. This starts from the oceanic crust to continental crust?

Answer 11

Continental slope

Question 12

What is the structure of the ocean basin that refer to the beggining of the ocean?

Answer 12

Continental Rise

Question 13

What is the structure of the ocean basin that refer to the place where the sediments from the land are washed?

Answer 13

Continental Rise

Question 14

What is the structure of the ocean basin that refer to the continental margin starts from continental shelf up to continental rise?

Answer 14

Continental Rise

Question 14

What is the structure of the ocean basin that refer to the continental margin starts from continental shelf up to continental rise?

Answer 14

Continental Rise

Question 15

What is the structure of the ocean basin that refer to the flattest part of the ocean?

Answer 15

Abyssal plain

Question 16

How many percent of the earth’s surface are being covered by the abyssal plain?

Answer 16

50%

Question 17

This is not just a peice of land floating up in the middle of the sea. What is the structure of the ocean basin that refer to its part extended up from the ocean floor?

Answer 17

Island

Question 18

What is the structure of the ocean basin that refer to the undersea mountain?

Answer 18

Seamount

Question 19

What destroyed the top of the seamount which caused it to be flattened?

Answer 19

Erosion caused by waves

Question 20

What is the structure of the ocean basin that refer to the deepest part of the ocean?

Answer 20

Trench

Question 21

What is the structure of the ocean basin that refer to the seafloor mountain system is situated in the middle of the ocean basin?

Answer 21

Mid-oceanic ridge

Question 21

What is the structure of the ocean basin that refer to the seafloor mountain system is situated in the middle of the ocean basin?

Answer 21

Mid-oceanic ridge

Question 22

What is the structure of the ocean basin that refer where the upwelling of magma happens which causes the seafloor spreading?

Answer 22

Mid-oceanic ridge

Question 23

Who proposed the Wilson Cycle?

Answer 23

Canadian Geophysicist J. Tuzo Wilson

Question 24

This refers to the opening (beginning) and closing (end) of an ocean?

Answer 24

Wilson Cycle

Question 25

What are the 6 stage of evolution of ocean basin?

Answer 25

1. Embryonic Ocean Basin 2. Juvinile Ocean Basin 3. Mature Ocean Basin 4. Declining Ocean Basin 5. Terminal Ocean Basin 6. Suturing

Question 26

This is the first stage of ocean basin where there is a hot spot underneath a stable continent that can lead to beggining of new ocean?

Answer 26

Embryonic Ocean Basin

Question 27

This is the stage of ocean basin where the early rifting of a continent and opening of a new ocean can be seen?

Answer 27

Juvinile Ocean Basin

Question 28

This is the stage of ocean basin where the full ocean basin can be seen?

Answer 28

Mature Ocean Basin

Question 29

This the stage of oceanic basin where a subduction zone develops adjacent. The ocean begins the long process to close again?

Answer 29

Declining Ocean Basin

Question 29

This the stage of oceanic basin where a subduction zone develops adjacent. The ocean begins the long process to close again?

Answer 29

Declining Ocean Basin

Question 30

This refer to the stage of ocean basin where he remnant ocean basin is closing?

Answer 30

Terminal Ocean Basin

Question 31

This is the last stage of evolution of ocean basin where the ocean basin has closed and the former sea bed can be found rising mountain chain formed as continental plated collide?

Answer 31

Suturing