Experimentally deformed feldspar aggregates

 

Figure caption

Experimentally deformed feldspar aggregates

 

Starting material / cataclastic flow / regime 1

 

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Bushveld anorthosite (BA) starting material (An78).

Bushveld anorthosite (BA) starting material, from South Africa. The composition is An78 and the average grain size is ~300-400 µm. Most grains contain albite twins. There is a small amount of sericitic alteration, and small pyroxene grains are present in some sections.