M21. Glaucophane-Phengite-Garnet-Clinozoisite Gneiss
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Fact sheet
Description: 

Glaucophane-phengite-garnet-clinozoisite (rutile) gneiss (the section is deliberately thick, to highlight the pleochroism of glaucophane. The rock has a strong lineation (clinozoisite-glaucophane) and foliation (phengite), section cut parallel to lineation and perpendicular to foliation.

 

In Place
In Time
Location description: 
Quincinetto, Val d’Aosta, Italy
Accuracy:
Location precision: 
Moderate
Timescale:
Not known
Ma = Millions of years ago
In Focus
Theme:

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Type:
Type: 
metamorphic
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