I04. Granite - Two Mica Granite - Walsh's Quarry, Dublin
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Fact sheet
Description: 

This two mica granite comes from Walsh’s Quarry, Three Rock Mountain, County Dublin, Ireland.

The thin section contains quartz, sodium-rich plagioclase, K-feldspar (tartan-twinned microcline), muscovite, biotite and secondary chlorite.

In Place
In Time
Location description: 
Walsh’s Quarry, Three Rock Mountain, County Dublin, Ireland
Accuracy:
Location precision: 
Good
Timescale:
Timescale: 
Devonian
Ma = Millions of years ago
In Focus
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Type:
Type: 
igneous
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