Episode 1580
Level Mountain
Wed, 2021-Sep-01 00:49 UTC
Length - 3:52
Direct Link
Welcome to featured Wiki of the Day where we read the summary of the featured Wikipedia article every day.
The featured article for Wednesday, 1 September 2021 is Level Mountain.
Level Mountain is a large volcanic complex in the Northern Interior of British Columbia, Canada. It is located 50 km (31 mi) north-northwest of Telegraph Creek and 60 km (37 mi) west of Dease Lake on the Nahlin Plateau. With a maximum elevation of 2,164 m (7,100 ft), it is the second-highest of four large complexes in an extensive north–south trending volcanic region. Much of the mountain is gently-sloping; when measured from its base, Level Mountain is about 1,100 m (3,600 ft) tall, slightly taller than its neighbour to the northwest, Heart Peaks. The lower, broader half of Level Mountain consists of a shield-like edifice while its upper half has a more steep, jagged profile. Its broad summit is dominated by the Level Mountain Range, a small mountain range with prominent peaks cut by deep valleys. These valleys serve as a radial drainage for several small streams that flow from the mountain. Meszah Peak is the only named peak in the Level Mountain Range.
The mountain began forming about 15 million years ago, with volcanism continuing up until geologically recent times. There have been four stages of activity throughout the long volcanic history of Level Mountain. The first stage commenced 14.9 million years ago with the eruption of voluminous lava flows; these created a large shield volcano. The second stage began 7.1 million years ago to form a structurally complicated stratovolcano located centrally atop the shield. A series of lava domes were established during the third stage, which began 4.5 million years ago. This was followed by the fourth and final stage with the eruption of lava flows and small volcanic cones in the last 2.5 million years. A wide range of rock types were produced throughout these stages, of which alkali basalts and ankaramites are the most voluminous. They were deposited by different types of volcanic eruptions characterized by fluid lava flows and explosivity.
Level Mountain can be ecologically divided into three sections: an alpine climate at its summit, an Abies lasiocarpa forest on its flanks and a Picea glauca forest at its base. The extent and flatness of the alpine on Level Mountain has produced many Arctic affinities that are particularly noticeable in the local biota. Several animal species thrive in the area of Level Mountain, with caribou being the most abundant. A trading post was established at Level Mountain in the 1890s, followed by geological studies of the mountain from the 1920s onwards. This remote area of Cassiar Land District has a relatively dry environment compared to the Coast Mountains in the west. Due to its remoteness, Level Mountain can only be accessed by air or by trekking great distances on foot. The closest communities are more than 30 km (19 mi) away from the mountain.
This recording reflects the Wikipedia text as of 00:49 UTC on Wednesday, 1 September 2021.
For the full current version of the article, see Level Mountain on Wikipedia.
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