Chapter 15
Glaciers
• Glacier
• Large mass of
compacted
snow and ice
2 types of glaciers…..
• Valley
• Continental
• Exists within
valleys; smaller
• Covers a large part
of a continent;
huge!
• Ice caps are a type
of continental
glaciers that only
cover 50,000 km2 or
less
• How do
glaciers move?
• Under their own
weight
• So heavy that it
melts the bottom
of the glaciers
and it
slides…called
basal slip
• EROSION!!!!!
• Crevasse
• Huge crack in a
glacier
• Ice front
• End of a glacier,
where it meets
the water
• Calving
• When a glacier
breaks off and
falls into the sea,
forming an
iceberg
• Icebergs
• FRESH
WATER!!!
Define
Section 15.3
• Moraine
• Till
• Striations
• Glacial valley
• Cirque
• Outwash
• Erratics
• Drumlins
• Eskers
• Kames
• Draw and label
the diagram on
page 326-327