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Flagstaff Mountain is a large mountain located southwest of Northport,
Topographical map
:Mountains of Stevens County, Washington
:Landforms of Stevens County, Washington {{Washington (state) Stevens County, Washington Mountains of Washington (state)
Flagstaff Mountain is a large mountain located southwest of Northport, Washington
Washington commonly refers to:
* Washington (state), United States
* Washington, D.C., the capital of the United States
** A metonym for the federal government of the United States
** Washington metropolitan area, the metropolitan area centered o ...
. The peak has an elevation of with over of vertical relief above the valley below. Flagstaff Mountain is composed of Paleozoic
The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon.
The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838
by combining the Greek words ''palaiós'' (, "old") and ' ...
sedimentary
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles ...
and intrusive igneous
Igneous rock (derived from the Latin word ''ignis'' meaning fire), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or ...
rocks that have been complexly metamorphosed, faulted, and eroded to reveal the rugged landform observed today. The Hubbard and Flagstaff Mountain Barite mines near the summit represent some of the rich mining history in this region geologists refer to as the Kootenay Arc.
External links
Topographical map
References
:Mountains of Stevens County, Washington
:Landforms of Stevens County, Washington {{Washington (state) Stevens County, Washington Mountains of Washington (state)