grain shape preferred orientation

Preferred orientation of inequidimensional grains in a deformed rock. Also known as a grain shape fabric

Related terms:

• aggregate shape preferred orientation
• shape preferred orientation (SPO)
• domain shape preferred orientation
• lattice-preferred orientation (LPO)
• grain shape fabric
• planar shape fabric
• crystallographic preferred orientation
• linear shape fabric
• left-over grain
• grain boundary area reduction