ORM

Question 1

How many years ago did it form?

Answer 1

12000

Question 2

How did the ORM form?

Answer 2

It formed as glaciers retreated and deposited sand and gravel trapped between two lobes or fingers of ice.

Question 3

How high can the elevation of the ORM go up to?

Answer 3

300m at highest elevations

Question 4

How long is the ORM

Answer 4

160km

Question 5

Why is it important?

Answer 5

It has 3.2 billion dollars worth of ecological services

Provides water filtration and supplies water

Protects against floods

Provides habitat for flora and fauna

Question 6

What does it supply?

Answer 6

It supplies well water for homes and farms

Question 7

how wide is the ORM?

Answer 7

1 to 15km

Question 8

How thick are the deposits of sand and gravel?

Answer 8

200m thick

Question 9

How many stream/river is the ORM headwaters to?

Answer 9

Over 30 rivers/streams

Question 10

Highest point of land?

Answer 10

Southern Ontario between Lake Ontario and Georgian Bay/Lake Simcoe

Question 11

Water falling on the moraine either:

Answer 11

1) Goes down through the soil to the aquifer
2) Runs into a river flowing to Lake Ontario
3) Runs into a river flowing to Lake Simcoe

Question 12

What does the Moraine have a significant deposit of?

Answer 12

Sand and gravel, and other materials for construction

Question 13

Why do developers want to build on the moraine

Answer 13

1) due to a increase in demand for housing
2) Less costly, no obstructions
3) Scenic view
4) close to toronto

Question 14

Name two rivers that has the ORM as their headwaters

Answer 14

Don River
Humber River