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 average clutch size is about 7 - 8 eggs but 3 - 15 is possible depending on food supplies. The Snowy Owl nests directly on the ground (usually on a slightly elevated area) or on a large boulder. The incubation, 31 - 33 days, is done exclusively by the female while being fed on the nest by the male.