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Ear Mountain
Ear Mountain is an isolated mountain located on the Seward Peninsula in the U.S. state of Alaska. The mountain, with an elevation of (GeoNames gives it elevation as 〔(【引用サイトリンク】title=Ear Mountain )〕), has a belt of Cretaceous tin "granites." Though the mountain is located in an area long known for its tin deposits, it was only in 1953 and 1954 during a survey by the US Bureau of Mines that tin deposits were confirmed to be on Ear Mountain.
==Geography==
Located on the Seward Peninsula, the Ear Mountain is north of Teller, and southwest from Shishmaref Inlet. It is an isolated mountain formation surrounded by coastal flats and valleys of streams with elevation ranging from . The mountain is free-standing, with a summit altitude of above sea level. Its northeast slopes are moderate and it forms three peaks of , and . The streams rising from this mountain flow into the Arctic Ocean. However, the Arctic River and its tributaries which rise on the eastern and northeastern slopes of the mountain drain into the Shishmaref Inlet.〔 The mountain stands on a well-marked plateau surface that has an elevation of around . This plateau has been correlated (matched to similar rock strata indicating a common age of formation) with the Kugruk Plateau, and is the result of erosion further into the past than that which created the York Plateau.〔
The vegetation in the valleys of the plateau is thinly spread with small willow bushes. Tundra forest envelops the mountain. Below this vegetation, the soil cover consists of peat and debris of varying thickness, of a few inches to or more. The bedrock is permanently frozen. The mountain experiences more rain and fog than at the Shishmaref Inlet.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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