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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.
The eruptions during Ice Peak time deposited 76.7 cubic kilometres (18.4 cubic miles) of volcanic material, making the Ice Peak Formation the most voluminous geological formation of the third magmatic cycle. [35] [6] This is the latest MEVC eruptive period involving the outpouring of more than 20 cubic kilometres (4.8 cubic miles) of lava. [81]
Mayor Island / Tūhua Native name: Tūhua (Māori) Mayor Island / Tūhua as seen from Mount Maunganui Mayor Island / Tūhua Show map of New Zealand Mayor Island / Tūhua Show map of North Island Geography Location Bay of Plenty, North Island, New Zealand Coordinates 37°17′S 176°15′E / 37.283°S 176.250°E / -37.283; 176.250 Area 13 km 2 (5.0 sq mi) Highest elevation 355 m ...
The source of obsidian for cultures inhabiting the territory of and around Greece was the island of Milos; the Starčevo–Körös–Criș culture obtained obsidian from sources in Hungary and Slovakia, while the Cardium-Impresso cultural complex acquired obsidian from the island outcrops of the central Mediterranean.
Helenite, also known as Mount St. Helens obsidian, emerald obsidianite, and ruby obsidianite, is a glass made from the fused volcanic rock dust from Mount St. Helens and marketed as a gemstone. [ 1 ] [ 2 ] Helenite was first created accidentally after the eruption of Mount St. Helens in 1980 .
An undersea volcano erupted off Japan three weeks ago, providing a rare view of the birth of a tiny new island, but experts say it may not last very long. The unnamed undersea volcano, located ...
Stirling has been the narrator of “Love Island” since the British dating show launched on ITV2 in June 2015, and started narrating Season 4 of the American version. His wife, Laura Whitmore ...
They formed from viscous lava rising in a volcanic vent [16] 250 m (820 ft) wide [11] Obsidian Butte is surrounded by a lava flow, and Mullet Island has a characteristic "onion-skin" foliation. [9] On Red Hill, there is a quarry , [ 17 ] a marina , and a trailer park , [ 18 ] and Obsidian Butte has been extensively quarried, to the point that ...