M02. Epidote Amphibolite - Mayo
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Fact sheet
Description: 

This is an amphibolite, a metamorphosed basic igneous rock from County Mayo, Ireland. It was intruded (or formed as a lava flow) around 600 Ma, and was metamorphosed during the Grampian Orogeny.

Minerals present are hornblende, epidote, quartz, untwinned plagioclase, with minor carbonate, biotite, and accessory titanite. 

In Place
In Time
Location description: 
South of Callow Lake, Foxford, County Mayo, Ireland
Accuracy:
Location precision: 
Good
Timescale:
Timescale: 
Ordovician
Ma = Millions of years ago
In Focus
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Type:
Type: 
metamorphic
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