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Edziza obsidian found in coastal areas of southeast Alaska. Edziza obsidian is a naturally formed volcanic glass found at the Mount Edziza volcanic complex in northwestern British Columbia, Canada. It occurs in at least four geological formations of the volcanic complex and was widely used by indigenous peoples during the pre-Columbian era.
Mount Edziza (/ ə d ˈ z aɪ z ə / əd-ZY-zə; Tahltan: Tenh Dẕetle [ten̥ ˈdðetle]) is a volcanic mountain in Cassiar Land District of northwestern British Columbia, Canada.It is located on the Big Raven Plateau of the Tahltan Highland which extends along the western side of the Stikine Plateau.
The Mount Edziza volcanic complex (/ ə d ˈ z aɪ z ə / əd-ZY-zə; abbreviated MEVC) is a group of volcanoes and associated lava flows in northwestern British Columbia, Canada.. Located on the Tahltan Highland, it is 40 kilometres (25 miles) southeast of Telegraph Creek and 85 kilometres (53 miles) southwest of Dease
Topographic map of the MEVC with Mount Edziza Provincial Park in green The eruption rate of the MEVC has varied throughout its long volcanic history. When the volcanic complex started erupting at least 7.4 million years ago, it increased the rate of magmatism in the Northern Cordilleran Volcanic Province from 100,000 to 300,000 cubic metres ...
Kitsu Peak is the highest summit of the Spectrum Range at the southern end of the Mount Edziza volcanic complex in northwestern British Columbia, Canada. [3] [4] It is bounded on the west by Nagha Creek valley, on the northwest by the Kitsu Plateau, on the northeast by Obsidian Ridge, on the east by Stewbomb Creek valley and on the southwest by Nagha Glacier and Yagi Ridge.
Map of the Mount Edziza volcanic complex showing the location of the Spectrum Range. The Spectrum Range is part of the Northern Cordilleran Volcanic Province, a broad area of volcanoes and lava flows extending from northwestern British Columbia northwards through Yukon into easternmost Alaska.
Mount Edziza Provincial Park is in British Columbia and near the Canada-U.S. border with Alaska. The park is about 660 miles northwest of Vancouver and about 155 miles southeast of Juneau.
Obsidian Ridge is a volcanic mountain ridge in northwestern British Columbia, Canada, located on the south side of Artifact Creek at the southeast end of Mount Edziza Provincial Park. It was named on January 2, 1980 by the Geological Survey of Canada for its high quality obsidian .