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Springdale Caldera

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This is an old revision of this page, as edited by Gilgamesh~enwiki (talk | contribs) at 12:00, 9 May 2009 (Category:Silurian volcanoes Category:Extinct volcanoes). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

The Springdale Caldera is a large Early Silurian caldera in west-central Newfoundland, Canada. It is at least Template:Unit km long and Template:Unit km wide with an area more than 2,000 km2. It is one of the few calderas in Newfoundland that form a large Silurian age volcanic field and consists of basalt, andesite, rhyolite, pyroclastic rocks, debris flows, breccias, and red sandstone.[1]

See also

References

  1. ^ Geology of the Springdale Group: a newly recognized Silurian epicontinental-type caldera in Newfoundland

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