St.-Blasien-Granit

Representation and status

Index

gamma-SB

Color CMYK

(0%,57%,43%,18%)

Color RGB

R: 210 G: 90 B: 120

Rank

lithostratigraphic Formation

Validity

Unit is in Use

Status

informal term

Status discussion

Nomenclature

Deutsch

St.-Blasien-Granit

Français

Granite de St. Blasien

Italiano

Granito di St. Blasien

English

St. Blasien Granite

Origin of the Name

St. Blasien (Deutschland)

Historical Variants

rother Granit von Menzenschwand bei St. Blasien (Schalch 1881), St. Blasianer Granit (Hoenes 1941), Granit von St. Blasien (Hantke 1967, Emmermann 1970, Huber & Huber 1984), Biotit-Granit von St. Blasien (Mazurek & Peters 1992), St. Blasien granite = Granite of St. Blasien (Thury et al. 1994), St. Blasien granite (Schaltegger 2000)

Hierarchy and sequence

Units at roof

• Albtal-Granit

Age

Age at top

• Early Carboniferous (= Mississipian)

Age at base

• Early Carboniferous (= Mississipian)

Dating Method

329 +/-4 Ma (Rb/Sr : Huber & Huber 1984, Pfiffner 2009) ; 333 +/-2 Ma (U/Pb: Schaltegger 2000)

Geography

Geographical extent

Südrand des Schwarzwaldes.

Palaenography and tectonic

Tectonic unit (resp. main category)

• Schwarzwald

Kind of protolith

• plutonic

Metamorphism

monocyclic

Metamorphic facies

• greenschist facies (epizone)

References

Important Publications

Schaltegger Urs (2000) : U-Pb geochronology of the Southern Black Forest Batholith (Central Variscan Belt): Timing of exhumation and granite emplacement. International Journal of Earth Sciences 88/4, 814-828