The boundary between the metamorphic and non- to anchi-metamorphic domains in the Southalpine basement s.l of the Eastern Southern Alps: A review

Raffaele Sassi, Corrado Venturini, P. Árkai

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The Southalpine basement in the Eastern Alps consists of thick metamorphic mainly phyllitic sequences which formed within greenschist fades conditions, and unmetamorphosed to very-low grade Paleozoic sequences in its easternmost part (Palaeocarnic Chain). Many authors tried to localize the boundary between the metamorphic and non-metamorphic domains. Recent studies demonstrated, by means of KI (Kiibler Index) data, that the locations of this boundary given in the maps are uncorrect, and that the boundary occurs more eastwards than previously suggested, mainly in correspondence of the Val Bordaglia Line. The present review critically summarizes all data existing in the literature (Kübler Index, Árkai Index, vitrinite reflectance, Colour Alteration Index of Conodonts, fluid inclusions) concerning the location of the eastern boundary of the Hercynian metamorphism, and discusses the occurrence and possible significance of a local Alpine overprint to the east of the Val Bordaglia Line.

Original languageEnglish
Pages (from-to)131-143
Number of pages13
JournalPeriodico di Mineralogia
Volume73
Issue numberSPEC. ISSUE 2
Publication statusPublished - 2004

Fingerprint

basements
Color
Fluids
vitrinite reflectance
greenschist
fluid inclusion
grade
metamorphism
Paleozoic
occurrences
inclusions
reflectance
color
index
fluids

Keywords

  • Árkai index
  • Color alteration index
  • Fluid inclusions
  • Kübler index
  • Metamorphic/anchi-metamorphic
  • Palaeocarnic chain
  • Southalpine basement of the Eastern Alps
  • Vitrinite reflectance

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology
  • Geophysics

Cite this

The boundary between the metamorphic and non- to anchi-metamorphic domains in the Southalpine basement s.l of the Eastern Southern Alps : A review. / Sassi, Raffaele; Venturini, Corrado; Árkai, P.

In: Periodico di Mineralogia, Vol. 73, No. SPEC. ISSUE 2, 2004, p. 131-143.

Research output: Contribution to journalArticle

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