Sandalp-Rhyolith

Representation and status

Color CMYK

(0%,50%,63%,22%)

Color RGB

R: 200 G: 100 B: 75

Rank

lithostratigraphic unit

Validity

Unit is in Use

Status

local name (informal)

Nomenclature

Deutsch

Sandalp-Rhyolith

Français

Rhyolite de la Sandalp

Italiano

Riolite della Sandalp

English

Sandalp Rhyolite

Origin of the Name

Untere Sandalp (GL)

Historical Variants

Sandalp "quartz porphyries" (Franks 1968), Sandalp Rhyolithe (Berger et al. 2017)

Hierarchy and sequence

Superordinate unit

• Mittelvariszische Intrusiva

Age

Age at top

• Asselian

Age at base

• Gzhelian

Dating Method

300 +/-2 Ma (Schaltegger & Corfu 1995)

Palaenography and tectonic

Tectonic unit (resp. main category)

• Aar

Kind of protolith

• volcanic

Metamorphism

monocyclic