«Porfido scuro di Lugano»

Representation and status

Color CMYK
(0%,0%,0%,100%)
Rank
lithostratigraphic unit
Validity
Unit is in Use
Status
incorrect name (though informally used)

Nomenclature

Deutsch
«Schwarzer Porphyr von Lugano»
Français
«Porphyre noir de Lugano»
Italiano
«Porfido scuro di Lugano»
English
«Lugano Black Porphyry»
Origin of the Name

Lugano (TI)

Historical Variants

porphyre noir (Hoffmann 1833), Melafiro = Porfido nero di Melano (Lavizzari 1849), Porphyrit = schwarzer Porphyr (Escher 1913), Feldspatporphyr = schwarzer Porphyr von Lugano = Porphyrit (Alb. Heim 1922 S.826), Schwarzer Phorphyr = Phorphyre noir [sic] (GK100)

Hierarchy and sequence

Subordinate units

Geography

Geographical extent
Östliche Teile (bis zur Linie Figino - Porto Ceresio), insb. an der Basis des Monte San Giorgio.

References

Definition
Hoffmann Fred. (1833) : Observations faites avec M. Escher fils, sur les porphyres du bord méridional des Alpes dans le canton du Tessin. Bull. Soc. Géol. France 4, 105

p.106: Le porphyre rouge est distinctement en filon dans le porphyre noir.

  • Andesite e dacite (Lugano)

    Name Origin

    «porfirite» = andesite

    Rank
    petrographic facies
    Status
    informal term
    In short

    Porfido grigio-violette scuro (andesitische bis dazitische Hornblende- und Pyroxenporphyrite, lokal tuffitisch).

    Age
    Cisuralian (= Early Permian)
    Show details

    • «Tuffagglomerate»

      Rank
      petrographic facies
      Status
      informal term
      In short

      Tufflagen in der Porphyritserie.

      Show details

    • Porfirite della Sovaglia

      Name Origin

      Sovaglia (TI), a nord di Melano [«porfirite» = andesite]

      Rank
      lithostratigraphic unit
      Status
      local name (informal)
      In short

      Dichter, feiner, blaugrauer, trachytischer Porphyrit.

      Show details

    • Vulcaniti del Piambello

      Name Origin

      Monte Piambello (Italia)

      Rank
      lithostratigraphic unit
      Status
      informal term
      Show details

  • Basalti (Lugano)

    Rank
    petrographic facies
    Status
    informal term
    In short

    Kristall- und Lapillituffe.

    Age
    Cisuralian (= Early Permian)
    Show details

  • «Tufite basale» (Lugano)

    Rank
    petrographic facies
    Status
    informal term
    In short

    Rotbrauner Tuffit.

    Age
    Cisuralian (= Early Permian)
    Show details

    • Conglomerato di Porto Ceresio

      Name Origin

      Porto Ceresio (Italia), S Lago di Lugano

      Rank
      lithostratigraphic unit
      Status
      local name (informal)
      In short

      Geringmächtiges Quarzitkonglomerat an der Basis der Luganer Vulkanite.

      Age
      Perm
      Show details
Back to top