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.
The snowy owlâs favorite food is lemmings and they consume about 1600 of these small critters each year. What is a lemming, you wonder? Well, it is a very cute and furry rodent (and I admit, I do like my rodents). To learn more about this arctic rodent, read this article by the Nature Conservancy, âThe Amazing Lemming: The Rodent Behind the Snowy Owl Invasion.â