Test #3

Question 1

Canada has _____ geologic provinces that are characterized by rocks and structures of
varying types and ages.

Answer 1

17

Question 2

Geologic Provinces - that make up the Canadian Shield

Answer 2

7

Question 3

Platforms How many

Answer 3

4

Question 4

Orogens How many

Answer 4

3

Question 5

Continental Shelves How many

Answer 5

3

Question 6

Name the geologic provinces located in Manitoba.

Answer 6

Churchill Province

b. Superior Province
c. Interior Platform
d. Hudson Bay Platform

Question 7

Each Province has rocks of many ages, which have been subjected to more than one

Answer 7

Orogeny/mountain building episode.

Question 8

Define Province

Answer 8

Extensive Region with distinctive characteristics that differentiate it from
surrounding areas

Question 9

Define Platform

Answer 9

that part of a continent covered by flat lying or gently tilted rock and underlain
by very ancient rocks consolidated during deformations that preceded deposition of the
overlying platform material – usually sedimentary in nature.

Question 10

Define Orogenic Belt

Answer 10

a part of a continent where the Earth’s crust has been subjected to
deformation leading to the creation of a mountain range.

Question 11

Define Continental Shelf

Answer 11

the extension of a continent under the ocean. Characterized by a very
gentle slope and generally reaches depth < 200 m.

Question 12

Describe the Canadian Shield in terms of size, shape, type and age of rocks, as well as
natural resources.

Answer 12

Largest of Canada’s physical regions (more than half of Canada)
• Contains some of the oldest metamorphic and igneous rocks in the world
(Precambrian)
• Shaped like a horseshoe
• Rich in minerals, forests, and hydroelectric developments

Question 13

How was the Canadian Shield formed?

Answer 13

Once major mountain region that was eroded and is now relatively flat with rounded
rocky hills.

Question 14

_______formed from sediments that accumulated in

basins around the margins of the shield.

Answer 14

Mountainous Regions (orogenic belts)

Question 15

________formed as a result of deposition of sediments in

shallow seas in intervening areas.

Answer 15

Lowlands and Plains (platforms)

Question 16

Name the two types of shield in Canada.

Answer 16

Exposed, and Buried

Question 17

11. The Canadian Shield is sometimes referred to as a

Answer 17

a Craton.

Question 18

The Canadian Shield forms the core of the continent and occupies almost half of
Canada’s surface and it is made up of stable _________ rocks.

Answer 18

Precambrian

Question 19

13. Name the geological provinces that are part of the Shield and located in Manitoba.

Answer 19

Churchill,

• Superior

Question 20

Over most of the Shield, the average elevation is approximately _____metres above sea
level

Answer 20

300

Question 21

More than 25% is covered by _________ a legacy of glacial erosion.

Answer 21

Swamps, Ponds, and Lakes a

Question 22

The Canadian Shield is rich in ________ of all kinds.

Answer 22

metals and minerals

Question 23

The ancient core of the continent was created about 2 billion years ago, through the
violent collision and welding together of seven ancient __________

Answer 23

microcontinents.

Question 24

Faulting defines parts of the Shield boundary, particularly in the southeast where

Answer 24

Graben - like structures are common.

Question 25

The Canadian Shield exhibits a rugged surface with myriad scratches and channels
gouged by

Answer 25

by Ice sheets.

Question 26

The shield has some of the oldest (extinct) volcanoes on the planet with over 150

Answer 26

Volcanic belts (now deformed and eroded down to nearly flat plains) whose bedrock
ranges from 600 to 1200 million years old.

Question 27

22. The _________ in which the diamonds are found are closely associated with cratons, which provide the deep lithospheric mantle required to stabilize diamond as a
    mineral.

Answer 27

Kimberlite Pipes