Ne Ch'e Ddhäwa is the Northern Tutchone name for an eroded tuya approximately 7 km up the Yukon River from Fort Selkirk (UTM zone 8V 383955 E, 69600091 N) (it has been informally called Wootten's Cone) in the Fort Selkirk Volcanic Field of central Yukon, Canada.[1] It has been described as a cinder cone[2] or a subglacial mound.[3] The volcano erupted subglacially between 2.0 and 2.3 million years ago during the early Pleistocene, erupting hyaloclastite tuffs, breccias, and pillow breccias. These hyaloclastites locally contain exotic clasts and bodies of till melted from an ice sheet during the subglacial eruption.[4]

See also

References

  1. ↑ Jackson, L.E., Jr.et al., Pliocene and Pleistocene volcanic interaction with Cordilleran ice sheets, damming of the Yukon River and vertebrate Palaeontology, Fort Selkirk Volcanic Group, west-central Yukon, Canada, Quaternary International (2011), Volume 260, 18 May 2012, Pages 3-20
  2. ↑ Catalogue of Canadian volcanoes: Ne Ch'e Ddhawa (Wooton's Cone)
  3. ↑ Issues in Earth Sciences, Geology and Geophysics
  4. ↑ Jackson Jr., L.E., 1989. Pleistocene Subglacial Volcanism Near Fort Selkirk, Yukon Territory. Current Research, Part E, Geological Survey of Canada, paper 89-1E, pp. 251-256

{{: Jackson, L.E., Jr.et al., Pliocene and Pleistocene volcanic interaction with Cordilleran ice sheets, damming of the Yukon River and vertebrate Palaeontology, Fort Selkirk Volcanic Group, west-central Yukon, Canada, Quaternary International (2011), Volume 260, 18 May 2012, Pages 3-20}}


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.