Formazione die Strona-Ceneri
Darstellung und Status
- Rang
- lithostratigraphische Formation
- Gebrauch
- Element ist nicht in Gebrauch
- Status
- informeller Begriff
Nomenklatur
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- Strona-Ceneri Formation
- Historische Varianten
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Strona-Ceneri = Strona-Ceneri formation = Strona-Ceneri sediments = Strona-Ceneri sequence (Boriani et al. 1990)
Hierarchie und Abfolge
- Untergeordnete Einheiten
Referenzen
- Erstdefinition
-
1990) :
The evolution of the "Serie dei Laghi" (Strona-Ceneri and Scisti dei Laghi): the upper component of the Ivrea-Verbano crustal section; Southern Alps, North Italy and Ticino, Switzerland. Tectonophysics 182, 103-118
The Strona-Ceneri is the medium-grade metamorphic product of fine-to-coarse grained arenaceous rocks, sometimes with abundant clay matrix. In contrast with the Scisti dei Laghi, a sedimentary sequence can be recognized. A continuous. sometimes rather thick horizon of mafic rocks (amphibolites) is regarded as the base of the series. These are followed by metasandstones (Ceneri gneisses) showing lithic clasts and peloids, and by variously clay-rich metamorphosed siltites and fine-grained metasandstones ('Gneiss minuti").
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«Gneiss minuti»
- Rang
- lithostratigraphische Einheit
- Status
- lokaler Begriff (informell)
- Kurzbeschreibung
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Paragneiss a grano fino della zona Strona-Ceneri.
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Gneiss del Ceneri
- Name Origin
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Passo del Monte Ceneri (TI)
- Rang
- lithostratigraphische Formation
- Status
- informeller Begriff
- Kurzbeschreibung
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Paragneiss plagioclasici granulati a biotite, contenente +/- muscovite e granato, p.p. con inclusioni di calcefiro.
- Age
- Spätes Ordovizium
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Amphibolit der Strona-Ceneri-Zone
- Rang
- lithostratigraphische Einheit
- Status
- lokaler Begriff (informell)