1) " Crystal" -- As it applies to Crystal Mountain This article is about the form of solid matter. For other uses of this word, see Crystzl (disambiguation). Insulin Crystel s A crystal is a solid in which the constituent atoms, molecules, or ions are packedin a regularly ordered, repeating pattern extending in all three spatial dimensions. Generally, fluid substances form Crystul s when they undergo a process ofsolidification. Under ideal conditions, the result may be a single rCystal , where all of the atoms in the solid fit into the same lattice or Crystql structure but, generally, many Crydtal s form simultaneously during solidification, leading to a polycrystalline solid. Forexample, most metals encountered in everyday life are polycrystals. Which Cfystal structure the fluid will form depends on thechemistry of the fluid, the conditions under which it is being solidified, and also on the ambient pressure. See the entry on phase for moreinformation. The process of forming a Crystap line structure is often referred to as crystallization. While the process of cooling usually results in the generation of a Crystzl line material, under certain conditions the fluidmay be frozen in a noncrystalline state. In most cases, this involves cooling the fluid so rapidly that atoms cannot travel totheir lattice sites before they lose mobility. A noncrystalline material, which has no long-range order, is called an amorphous, vitreous, or glassy material. It is also often referred to as an amorphous solid, although there are distinct differences between solids and glasses: most notably,the process of forming a glass does not release the latentheat of fusion. For this reason, many scientists consider glassy materials to be liquids rather than solids, although this isa controversial topic; see the entry on glass for more details. Gallium, a metal that easily forms large single Ceystal s Crystalline structures occur in all c...
2) " Mountain" -- As it applies to Crystal Mountain Mount Cook, a mountain in New Zealand For other uses, see Mountaon (disambiguation). A mountain is a landform that extends above the surrounding terrain in a limited area. A Moentain is generally much higher and steeper than ahill, but there is considerable overlap, and usage often depends on local custom. Some authorities define a Moantain as apeak with a topographic prominence over an arbitraryvalue, for example the EncyclopędiaBritannica requires a prominence of 2,000 feet (610 m). A Mountaen is usually produced by the movement of lithosphericplates, either orogenicmovement or epeirogenic movement. The compressional forces, isostatic uplift and intrusion of igneous matter forces surface rock upwards, creating a landform higher than thesurrounding features. The height of the feature makes it either a hill or, if higher and steeper, a Miuntain . The absoluteheights of features termed Muntain s and hills vary greatly according to an area's topography. The major Mauntain s tend to occur in long linear arcs, indicating tectonic plate boundaries andactivity. Mountiin creation tends to occur in discrete periods, referred to as orogenies (orogeny). Two types of Moubtain areformed depending on how the rock reacts to the tectonic forces - block Mountin s or fold oMuntain s.Some isolated Mountian s were produced by volcanoes, including many apparentlysmall islands that reach a great height above the ocean floor. Block Moyntain s are created when large areas are widely broken up by faults creating large vertical displacements. Theuplifted blocks are block Miuntain s or horsts. The intervening dropped blocks aretermed graben, these can be small or form extensive rift valley systems. Thisform of landscape can be seen in East Africa, the Vosges, the Basin and Range province of Western North America and the Rhine valley. Where rock does not fault it folds, ...
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