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Michael Fleischer's "Alphabetical Index of New Mineral Names, Discredited Minerals, and Changes of Mineralogical Nomenclature, Volumes 1–50 (1916–1965), The American Mineralogist" (1966). Note: "Glossary of Mineral Species" (1971) 1 ed. is based on it.
In these cases, halite is said to be behaving like a rheid. Unusual, purple, fibrous vein-filling halite is found in France and a few other localities. Halite crystals termed hopper crystals appear to be "skeletons" of the typical cubes, with the edges present and stairstep depressions on, or rather in, each crystal face. In a rapidly ...
Diorama of an underground salt mine in Germany. Inside Salina Veche, in Slănic, Prahova, Romania.The railing (lower middle) gives the viewer an idea of scale. Before the advent of the modern internal combustion engine and earth-moving equipment, mining salt was one of the most expensive and dangerous of operations because of rapid dehydration caused by constant contact with the salt (both in ...
Salt comes from two main sources: sea water, and the sodium chloride mineral halite (also known as rock salt). Rock salt occurs in vast beds of sedimentary evaporite minerals that result from the drying up of enclosed lakes, playas, and seas. Salt beds may be up to 350 metres (1,150 ft) thick and underlie broad areas.
The Prairie Evaporite Formation, also known as the Prairie Formation, is a geologic formation of Middle Devonian age that consists primarily of halite (rock salt) and other evaporite minerals. It is present beneath the plains of northern and eastern Alberta , southern Saskatchewan and southwestern Manitoba in Canada , [ 3 ] and it extends into ...
Two commercially important halide minerals are halite and fluorite. The former is a major source of sodium chloride, in parallel with sodium chloride extracted from sea water or brine wells. Fluorite is a major source of hydrogen fluoride , complementing the supply obtained as a byproduct of the production of fertilizer.
Rock salt (halite) In common usage, salt is a mineral composed primarily of sodium chloride (NaCl). When used in food, especially in granulated form, it is more formally called table salt. In the form of a natural crystalline mineral, salt is also known as rock salt or halite.
Unit F is the youngest and largest salt in the group, also known as the Syracuse Formation. Where thicker, the F has beds of salt separated by rock grading from shale to dolomite, often with anhydrite present especially in the shale. Unit G is the Camillus, which consists of dolomite and anhydrite while unit H is known as the Bertie Formation.