One of the mysteries of the English language finally explained.
Relating to or denoting the texture of a metamorphic rock in which small crystals of an original mineral occur within crystals of its metamorphic product.
- ‘Under pétrographie investigation, the schist was found to contain large poikiloblastic staurolite grains with a xenoblastic or lepido-granoblastic texture.’
- ‘In contrast, sample Brot-Ku-Id is a fine-grained, nearly unfoliated paragneiss from a low strain domain, which contains numerous poikiloblastic garnets in a groundmass of biotite, quartz and plagioclase.’
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