glacial ice
31Ice age — An ice age is a period of long term reduction in the temperature of the Earth s surface and atmosphere, resulting in an expansion of continental ice sheets, polar ice sheets and alpine glaciers. Glaciologically, ice age is often used to mean a… …
32Glacial history of Minnesota — The glacial history of Minnesota is most defined since the onset of the last glacial period, which ended some 10,000 years ago. Within the last million years, most of the Midwestern United States and much of Canada were covered at one time or… …
33Glacial landform — Antique postcard shows rocks scarred by glacial erosion. Yosemite Valley …
34Ice core — An ice core is a core sample from the accumulation of snow and ice over many years that have re crystallized and have trapped air bubbles from previous time periods. The composition of these ice cores, especially the presence of hydrogen and… …
35Glacial erratic — [ Doane Rock, at Cape Cod National Seashore] A glacial erratic is a piece of rock that deviates from the size and type of rock native to the area in which it rests; the name is based on the errant location of these boulders. These rocks were… …
36Glacial Lake Souris — The Glacial Lake Souris occupied the basin of the Souris River from the most southern portion of this river s loop in North Dakota to its elbow in Manitoba, where it turned sharply northward and passed through the Tiger Hills. The length of Lake… …
37ice — iceless, adj. icelike, adj. /uys/, n., v., iced, icing, adj. n. 1. the solid form of water, produced by freezing; frozen water. 2. the frozen surface of a body of water. 3. any substance resembling frozen water: camphor ice …
38Ice worm — For methane ice worms, see Hesiocaeca methanicola. Ice worm Scientific classification Kingdom: Animalia Phylum: Annelida Class …
39ice core — ▪ geology Introduction long cylinder of glacial ice recovered by drilling through glaciers in Greenland, Antarctica, and high mountains around the world. Scientists retrieve these cores to look for records of climate change over the last… …
40glacial — I (New American Roget s College Thesaurus) adj. icy (see cold).Ant., torrid. II (Roget s IV) modif. 1. [Cold] Syn. icy, frozen, polar; see cold 1 . 2. [Indifferent] Syn. cool, unfriendly, antagonistic; see cold 2 , indifferent 1 . III (Roget s 3… …
