trachytoid texture

The texture of a phaneritic extrusive igneous rock in which the microlites of a mineral, not necessarily feldspar, in the groundmass have a subparallel or randomly divergent alignment.

Related terms:

• pipernoid texture
• replacement texture
• atoll texture
• relict texture
• lithographic texture
• pilotaxitic
• organic texture
• crystalloblastic texture
• Texture
• sideronitic texture