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GSA Special Papers
Cenozoic Volcanism in the Mediterranean Area
Author(s)
Geological Society of America

Volume
418
Copyright:
Geological Society of America
ISBN print:
9780813724188
Publication date:
January 01, 2007
Book Chapter
Geochemical features and geodynamic significance of the southern Tyrrhenian backarc basin
Author(s)
Teresa Trua
Dipartimento di Scienze della Terra, Università degli Studi di Parma, Parco Area delle Scienze, 157A, I-43100 Parma, Italy
;
Teresa Trua
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Giancarlo Serri
Dipartimento di Scienze della Terra, Università degli Studi di Parma, Parco Area delle Scienze, 157A, I-43100 Parma, Italy
;
Giancarlo Serri
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Michael P. Marani
Istituto di Scienze Marine–Consiglio Nazionale delle Ricerche, Sezione di Geologia Marina, Via Gobetti 101, I-40129 Bologna, Italy
Michael P. Marani
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Published:January 01, 2007
The southern Tyrrhenian region represents a rare case of an active backarc basin where island-arc basalt (IAB)–type and ocean-island basalt (OIB)–type magmas coexist. IAB-type magmatism is the most common, whereas OIB-type magmas are restricted to a few areas.
Geochemical and isotopic characteristics of southern Tyrrhenian submarine volcanic samples are summarized herein, with special attention to samples recovered during recent seafloor sampling. Samples derived from Marsili volcano, the biggest seamount in the Tyrrhenian Sea, together with those of the Prometeo submarine lava field and Palinuro seamount, give a comprehensive picture of the mantle sources of southern Tyrrhenian magmatism. Most of these...
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Index Terms/Descriptors
- alkaline earth metals
- asthenosphere
- back-arc basins
- basalts
- basins
- Cenozoic
- genesis
- geochemistry
- geodynamics
- igneous rocks
- isotope ratios
- isotopes
- lava fields
- lead
- lithophile elements
- magmas
- magmatism
- mantle
- Mediterranean Sea
- metals
- Nd-144/Nd-143
- neodymium
- Neogene
- ocean floors
- ocean-island basalts
- Pb-206/Pb-204
- radioactive isotopes
- rare earths
- reconstruction
- sampling
- seamounts
- slabs
- Sr-87/Sr-86
- stable isotopes
- strontium
- subduction zones
- Tertiary
- Tyrrhenian Basin
- volcanic features
- volcanic rocks
- West Mediterranean
- Vavilov Basin
- Marsili Basin
- Prometeo lava field
Latitude & Longitude
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