Mount Edziza

Mount Edziza ( d-ZY-z; Tahltan: Tenh Dẕetle [tn tt]) is a volcano in Cassiar Land District of northwestern British Columbia, Canada. It is about 40 kilometres (25 miles) southeast of the community of Telegraph Creek in the middle of the Big Raven Plateau, which is part of the Tahltan Highland. Mount Edziza has an elevation of 2,786 metres (9,140 feet), making it the highest point of the Mount Edziza volcanic complex and one of the highest volcanoes in Canada. However, it had an elevation of at least 3,396 m (11,142 ft) before its formerly cone-shaped summit was likely destroyed by a violent eruption in the geologic past; its current flat summit contains an ice-filled, 2 km (1.2 mi) wide crater. The mountain contains several lava domes, cinder cones and lava fields on its flanks, as well as an ice cap containing several outlet glaciers which extend to lower elevations. All sides of Mount Edziza are drained by tributaries of Mess Creek and Kakiddi Creek, which are situated within the Stikine River watershed. Mount Edziza consists of several types of volcanic rocks and at least six geological formations that formed during six distinct stages of volcanic activity. The first stage, 1.1 million years ago, produced basalt flows and a series of rhyolite and trachyte domes. Basalt flows and smaller amounts of trachyte, tristanite, trachybasalt, benmoreite and mugearite produ

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