Mylonite de Miéville

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Representation and status

Color CMYK
(0%,0%,0%,100%)
Rank
lithostratigraphic Member (Subformation)
Validity
Unit is in Use
Status
local name (informal)

Nomenclature

Deutsch
Miéville-Mylonit
Français
Mylonite de Miéville
Italiano
Milonite di Miéville
English
Miéville Mylonite
Origin of the Name

Miéville (VS)

Historical Variants
mylonites de Miéville (Meyer 1916, Pilloud 1991), zone de mylonitisation (Corbin & Oulianoff 1931), --- (Kerrich et al. 1980), Miéville ultramylonite (Bonin et al. 1993), Miéville shear zone (Egli 2013)

Description

Description
dark, extremely fine-grained, slate-like rock (ultramylonite)
Thickness
150-175 m (Corbin & Oulianoff 1931)

References

Definition
Bussy François, von Raumer Jürgen, Capuzzo Nicola (2001) : Mont-Blanc, Aiguilles-Rouges massifs (External Massifs) - an example of polyorogenic evolution. Fieldtrip Guide 1, 53-84, Univ. Lausanne

p.67: The Vallorcine granite was subsequently affected along its SE contact by an intense low-T ductile shearing leading to the well-known “Miéville ultramylonite” (Kerrich et al. 1980) of Late Variscan age (but reworked during the Alpine orogeny).

Material and varia

MIEVILLE, Granite de … – Palaeozoikum – Helvetikum (Kristallin) Synonyme du granite de Vallorcine
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