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.
View full size image. Snowy owls â large, fluffy, white birds typically found in the Arctic and rarely seen south of the Great Lakes â have swooped down upon the eastern United States in greater numbers than at any time in at least 50 years, one bird expert says.iew full size image. Snowy owls â large, fluffy, white birds typically found in the Arctic and rarely seen south of the Great Lakes â have swooped down upon the eastern United States in greater numbers than at any time in at least 50 years, one bird expert says.