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Springdale Caldera

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This is an old revision of this page, as edited by The Anomebot2 (talk | contribs) at 06:13, 18 May 2010 (Replacing geodata: {{coord missing|Newfoundland and Labrador}}). 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. 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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