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.
Habitat and range. Snowy owls live on arctic tundra, open grasslands and fields, and even on frozen stretches of water. When they migrate into northern Minnesota they are sometimes seen hunting for food in railroad yards and other city areas. They usually perch on the ground or on buildings or utility poles.
(Nyctea scandiaca) Snowy owls have keen eyesight and great hearing, which can help them find prey that is invisible under thick vegetation or snow cover. What does the Snowy Owl eat? The snowy owl is a carnivore. Snowy owls preferred meal is lemmings. An adult may eat more than 1,600 lemmings a year, or three to five every day. The birds supplement their diet with rabbits, rodents, birds, and fish. How long do they live? In the wild, they live approximately 9-10 years, and 25 to 30 years in captivity. How many snowy owls can be born at a time? Females lay a clutch of 3 to 11 eggs. Where are they found? These magnificent owls sometimes remain year-round in their northern breeding grounds, but they are frequent migrants to Canada, the northern United States, Europe, and Asia.