Matahpi Peak () is located in the

Lewis Range The Lewis Range is a mountain range located in the Rocky Mountains of northern Montana, United States and extreme southern Alberta, Canada. It was formed as a result of the Lewis Overthrust, a geologic thrust fault involving the overlying of ...

, Glacier National Park in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

. Below the summit of Matahpi Peak lies

Sexton Glacier Sexton Glacier is located in the U.S. state of Montana in Glacier National Park (U.S.), Glacier National Park. The glacier is situated in a cirque north of Going-to-the-Sun Mountain and on the southeast slope of Matahpi Peak at an elevation betwee ...

Going-to-the-Sun Mountain Going-to-the-Sun Mountain is a mountain peak located in Glacier National Park in the U.S. state of Montana. It rises dramatically above St. Mary Valley just north of the Going-to-the-Sun Road. The mountain was named by James Willard Schultz i ...

is just over to the south of Matahpi Peak.

Geology

Like other mountains in Glacier National Park, Matahpi Peak is composed of

sedimentary rock Sedimentary rocks are types of rock (geology), rock formed by the cementation (geology), cementation of sediments—i.e. particles made of minerals (geological detritus) or organic matter (biological detritus)—that have been accumulated or de ...

laid down during the

Precambrian The Precambrian ( ; or pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of t ...

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. ...

periods. Formed in shallow seas, this sedimentary rock was initially uplifted beginning 170 million years ago when the

Lewis Overthrust The Lewis Overthrust is a geologic thrust fault structure of the Rocky Mountains found within the bordering national parks of Glacier in Montana, United States and Waterton Lakes in Alberta, Canada. The structure was created due to the collision o ...

fault pushed an enormous slab of

precambrian The Precambrian ( ; or pre-Cambrian, sometimes abbreviated pC, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of t ...

rocks thick, wide and long over younger rock of the

cretaceous The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

period.

References

Matahpi Peak Matahpi Peak () is located in the Lewis Range, Glacier National Park (US), Glacier National Park in the U.S. state of Montana. Below the summit of Matahpi Peak lies Sexton Glacier. Going-to-the-Sun Mountain is just over to the south of Matahpi P ...

Mountains of Glacier National Park (U.S.) Lewis Range Mountains of Montana {{GlacierCountyMT-geo-stub

Geology

See also

References