Argosy Mountain is an summit located in Flathead County of 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 ...

Description

Argosy Mountain is located in the Flathead Range, a subset of the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...

. It is situated in the

Great Bear Wilderness The Great Bear Wilderness is located in northern Montana, United States, within Flathead National Forest Created by an act of Congress in 1978, the wilderness comprises and borders the Bob Marshall Wilderness on the north. The Great Bear and Bo ...

, on land managed by

Flathead National Forest The Flathead National Forest is a national forest in the western part of the U.S. state of Montana. The forest lies primarily in Flathead County, south of Glacier National Park. The forest covers of which about is designated wilderness. It ...

. Precipitation runoff from the mountain drains north to the

Middle Fork Flathead River The Middle Fork Flathead River is a river in western Montana in the United States, forming the southwestern boundary of Glacier National Park (U.S.), Glacier National Park. Its drainage basin lies to the east of the South Fork Flathead River and ...

via Roaring, Argosy, and Dolly Varden creeks.

Topographic relief Terrain (), alternatively relief or topographical relief, is the dimension and shape of a given surface of land. In physical geography, terrain is the lay of the land. This is usually expressed in terms of the elevation, slope, and orientati ...

is significant as the summit rises above Argosy Creek in one mile. The nearest higher neighbor is Trilobite Peak, to the east-southeast. Access to this remote peak is from the nearby Shafer Ranger Station at the Schafer

landing strip In aviation, a runway is an elongated, rectangular surface designed for the landing and takeoff of an aircraft. Runways may be a human-made surface (often asphalt, concrete, or a mixture of both) or a natural surface (grass, dirt, gravel, ic ...

which was grandfathered with the wilderness designation.

Climate

Based on the

Köppen climate classification The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (te ...

, Argosy Mountain is located in a

subarctic climate The subarctic climate (also called subpolar climate, or boreal climate) is a continental climate with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of ...

zone characterized by long, usually very cold winters, and short, cool to mild summers. Winter temperatures can drop below −10 °F with wind chill factors below −30 °F. Argosy Mountain in autumn

Geology

Argosy Mountain 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 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

External links

* Weather
Argosy Mountain
{{Geographic Location 2 , Center = Argosy Mountain , North = Schafer Airport , Northeast = Gable Peaks , East = Dolly Varden Creek , ESE = Trilobite Peak , Southeast = Pentagon Mountain , South = Argosy Creek , Southwest = , WSW = Dean Ridge , West = , WNW = Capitol Mountain , Northwest = Union Mountain Mountains of Flathead County, Montana Mountains of Montana Two-thousanders of the United States Flathead National Forest

Description

Climate

Geology

See also

References

External links