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Springdale Caldera

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This is an old revision of this page, as edited by Volcanoguy (talk | contribs) at 01:20, 24 November 2017 (removed Category:Volcanic calderas of Canada; added Category:Calderas of Canada using HotCat). 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 60 km (37 mi) long and 35 km (22 mi) wide with an area more than 2,000 km2 (770 sq mi). 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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