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.
Snowy owls mainly eat mammals, ranging from small rodents to large hares. They are also known to eat birds ranging in size from small songbirds to medium-sized geese and lemmings.An adult owl may eat around three to five lemmings each day (1,600 per year).nowy owls mainly eat mammals, ranging from small rodents to large hares. They are also known to eat birds ranging in size from small songbirds to medium-sized geese and lemmings.