Glaciers

Question 1

thick mass of ice originating on land from the compaction and recrystallization of snow.

Answer 1

Glaciers

Question 2

scientific study of glaciers or more generally ice and natural phenomena that involve ice

Answer 2

Cryology/ Glaciology

Question 3

small glaciers that form valleys

Answer 3

Valley Glacier

Question 4

Enormous glaciers that can cover continents

Answer 4

Ice Sheets

Question 5

are large flat masses of floating ice that extend seaward from the coast

Answer 5

Ice Shelves

Question 6

mass of glacial ice covering a high upland or plateau

Answer 6

Ice Caps

Question 7

a tongue of ice normally flowing rapidly outward from an ice cap or ice sheet

Answer 7

Outlet Glaciers

Question 8

forms when one or more valley glaciers emerge from the confining walls of mountain valleys

Answer 8

Piedmont Glaciers

Question 9

a granular type of ice

Answer 9

Firn

Question 10

a process when slope is present glaciers may slide over their underlying surface

Answer 10

Basal Slip

Question 11

a type of deformation that takes place in response to stress

Answer 11

Plastic Flow

Question 12

zone where ice melts

Answer 12

Zone of Wastage

Question 13

elevation above which snow remains throughout the year

Answer 13

Snowline

Question 14

process by which pieces of bedrocks are lifted out of place by a glacier

Answer 14

Plucking

Question 15

the grinding and scrapping of a rock surface by the friction and impact of rock particles carried by water, wind or ice

Answer 15

Abrasion

Question 16

scratches and grooves of bedrocks caysed by glacial abrasion

Answer 16

Glacial striation

Question 17

a mountain valley that has been widened, deepened and straightened by a glacier

Answer 17

U-Shaped Glacial trough

Question 18

a tributary valley that enters a glacial trough at considerable height above the floor of trough

Answer 18

Hanging Valleys

Question 19

a chain of small lakes in a glacial trough that occupy the basins created by glacial erosion

Answer 19

Pater Noster lake

Question 20

a circular hollow cut into bedrock during glaciation. Side and back wall are steep but front walls open downward

Answer 20

Cirque

Question 21

a small lake in a cirque

Answer 21

tarn

Question 22

are deep, steep sided inlets of the sea that are present at high latitudes where mountains are adjacent to the ocean

Answer 22

Fjord

Question 23

a sharp-crested serrate ridge separating the heads of opposing valleys that formerly were occupied by Alpine glaciers

Answer 23

Aretes

Question 24

results when glaciers erode three or more aretes, usually forming a sharp-edged peak

Answer 24

Horns

Question 25

an asymmetrical knob of bedrock formed when glacial abrasion smoothen the gentle slope acing the advancing ice sheets and plucking steepeneds the opposite side as the ice overrides the knob

Answer 25

Roche Moutonnees

Question 26

deposited as glacial ice melts and drop its load or rock fragments

Answer 26

Till

Question 27

not deposited directly by glaciers, rather they reflect the sorting action of glacial melt water

Answer 27

Stratified Drift

Question 28

an ice transported boulder that was not derived from the bedrock near its present side

Answer 28

Glacial Erratics

Question 29

a ridge of till along the sides of a valley glacier composed primarily of debris that fell to the glacier from the valley walls

Answer 29

Lateral Moraine

Question 30

a ridge of till formed along when lateral moraines from two coalescing valley glaciers join

Answer 30

Medial Moraine

Question 31

a ridge of till marking the former position of the front of the glacier

Answer 31

End Moraine

Question 32

an undulating layer of till deposited as the ice front retreats

Answer 32

Ground Moraine

Question 33

a relatively flat, gently sloping plain consisting of materials deposited by melt water streams in front og the margin of an ice sheets

Answer 33

Outwash Plain

Question 34

a relatively narrow body of stratified drift deposit on a valley floor by melt water streams that issue from the terminus of a valley glacier

Answer 34

Valley Train

Question 35

depression created when blocks of ice becomes lodged in glacial deposits and subsequently melt

Answer 35

Kettles

Question 36

a streamlined asymmetrical hill composed of glacial till

Answer 36

Drumlins

Question 37

sinuous ridge composed largely of sand, gravel deposited by a stream flowing in a tunnel beneath a glacier near its terminus

Answer 37

Eskers

Question 38

a steep sided hill composed of sand and gravel, originating when sediments collected in openings in stagnant glacial ice

Answer 38

Kames