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Magmatic plumbing of a large Permian caldera exposed to a depth of 25 km
J. E. Quick, S. Sinigoi, G. Peressini, G. Demarchi, J. L. Wooden and A. Sbisa
Magmatic plumbing of a large Permian caldera exposed to a depth of 25 km
Geology (Boulder) (July 2009) 37 (7): 603-606
Magmatic plumbing of a large Permian caldera exposed to a depth of 25 km
Geology (Boulder) (July 2009) 37 (7): 603-606
Index Terms/Descriptors
Latitude & Longitude
Abstract
We report evidence for a > or =13-km-diameter Permian caldera associated with a renowned section through the continental crust comprising the Ivrea-Verbano Zone and Serie dei Laghi of northwest Italy. Correlation of ages of volcanic and middle to deep crustal plutonic rocks suggests that they constitute an unprecedented exposure of a subcaldera magmatic plumbing system to a depth of 25 km, and points to a cause and effect link between intrusion of mantle-derived basalt in the deep crust, and large-scale, silicic volcanism.
ISSN: 0091-7613
EISSN: 1943-2682
Coden: GLGYBA
Serial Title: Geology (Boulder)
Serial Volume: 37
Serial Issue: 7
Title: Magmatic plumbing of a large Permian caldera exposed to a depth of 25 km
Affiliation: Southern Methodist University,
Dallas, TX,
United States
Pages: 603-606
Published: 200907
Text Language: English
Publisher: Geological Society of America (GSA),
Boulder, CO,
United States
References: 32
DOI:
10.1130/G30003A.1
Accession Number: 2009-072260
Categories: Igneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Annotation: With GSA Data Repository Item 2009141
Illustration Description: illus. incl. geol. sketch map
N45°00'00" - N46°00'00", E08°00'00" - E08°30'00"
Secondary Affiliation: Universita di Trieste,
ITA,
ItalyStanford University,
USA,
United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 200939
