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These minerals also have vertical lithofacies which resemble the horizontal facies stratification with gypsum occurring deeper in the playa followed by mud-halite and halite on top. [ 3 ] The mud lithofacies consists of thick detrital mud, and the halite lithofacies is defined by giant hopper shaped crystals. [ 2 ]
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 ...
At its deposits in San Bernardino County, California hanksite is commonly found beneath the surface embedded in mud or in drill cores (Palache et al., 1960). It is associated with halite, borax, trona, and aphthitalite at the Searles Lake locality. [2] It is also associated with borax mining in the Soda Lake area. [citation needed]
Mineral extraction plants around the lake include: [28] Inyo Development Company, 1887–1920; Natural Soda Products Company/Michigan Alkali Company/Wyandotte Chemical Corporation, 1912–1953; California Alkali Company/Inyo Chemical Company, 1917–1932; Pacific Alkali/Columbia-Southern Chemical Corp./Pittsburgh Plate Glass, 1928–1968
Yttrocerite (Ca,Y,Ce)F 2; Yttrofluorite (Ca,Y)F 2; Zavaritskite (BiO)F; Many of these minerals are water-soluble and are often found in arid areas in crusts and other deposits as are various borates, nitrates, iodates, bromates and the like. Others, such as the fluorite group, are not water-soluble. As a collective whole, simple halide minerals ...
The formula of the admixture of the three most common endmembers is written as Ca 10 (PO 4) 6 (OH,F,Cl) 2, and the crystal unit cell formulae of the individual minerals are written as Ca 10 (PO 4) 6 (OH) 2, Ca 10 (PO 4) 6 F 2 and Ca 10 (PO 4) 6 Cl 2. The mineral was named apatite by the German geologist Abraham Gottlob Werner in 1786, although ...
The most striking of these are the salt anticlines. Halite (rock salt) is relatively low in density (with a specific gravity around 2.17) and is ductile, slowly deforming under pressure. The relatively light salt tend to rise towards the surface as salt walls, deforming the overlying beds into anticlines. When a salt wall approaches the surface ...
Silicon-oxygen double chain in the anions of amphibole minerals. For example, the amphibole group consists of 15 or more mineral species, most of them with the general unit formula A x B y C 14-3x-2y Si 8 O 22 (OH) 2, where A is a trivalent cation such as Fe 3+ or Al 3+, B is a divalent cation such as Fe 2+, Ca 2+, or Mg 2+, and C is an alkali ...