This is a classic look of magma mixing, where we find a large plagioclase feldspar crystal apparently inter grown with a highly reacted amphibole crystal. The amphibole is clearly not happy (not in ...

This study performed an investigation of magmatic growth history of the K-feldspar megacrysts and plagioclase crystals in the Halifax Pluton, a Late Devonian age granite that intruded into the Meguma ...