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Glacier National Park
Transcript of Glacier National Park
This landform has different heights with the mountains and they bring out the little river on the bottom and the trees bring out the white snow that is on the mountains
There are three forces that formed Glacier National Park: sedimentation, uplifting, and glaciation. Sedimentation began 1.5 billion years ago in a large shallow lake. The sediment turned to rock under the pressure of gravity, which resulted in many layers. The plate that the sediments were on moved west eventually collided into the pacific plate moving east. This was called the Lewis Overthrust.
Large masses of stronger rocks were pushed over smaller, weaker rocks. Erosion then took away the upper part of the original rock. This exposed the rocks and formations that we can now see in the glacier today. Upward thrusting is what lead to form the Rocky Mountains and also led to the feature of the Glacier National Park.The upward thrust represents the sedimentary rock overlapping the younger rocks below it.
The mountains and valleys are 1.6 billion years old.
Erosional or Depositional
It is erosional because when the glaciers expand they crush rocks and bedrocks and that results in U-valleys, striations, glacial horns, and hanging valleys.
Glacier National Park
By: Jenifer G, Rachel K
The Glacier National Park is located in Montana along the spine of the Rocky Mountains. It is about 25 minutes away from Canada.
Fun Fact #1
Fun Fact #2
Glacier National Park contains about 650 lakes.
This is Swiftcurrent Lake one of many that inhabit the Glacier National Park.
Glaciation is another big thing that helped form the park. They melted their way through the mountains and valleys into their present appearance. The glaciers move downhill slowly picking up gravel and rock, and disposing further down the mountain. Over a long period of time the moving ice reshapes the land into valleys, peaks, and streams.
It is also known as "The Crown of the Continent".