St.-Blasien-Granit

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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), 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

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)
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
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