Xenoblastic refers to metamorphic mineral with poorly formed crystal faces (equivalent to anhedral). Foliation is a general term for pervasive planar structures. Typically the result of fine-scale compositional layering and alignment of minerals.
1 Snowy owls live farther north than any other kind of owl in North America! 2  Fine Feathers! 3  A dense coat of feathers keeps a snowy owl warm during frigid winters. 4  Even the owlâs toes and claws are thickly feathered! 5  Early Risers. 6  Most owls sleep during the day and are active at night.
1 Lemmings for Lunch. 2  A snowyâs favorite food is a small, hamster-like rodent called a lemming. 3  In years when there are lots of lemmings in an area, youâll find plenty of snowy owls there, too. 4  But when lemming numbers fall, so does the snowy owl population.