undersaturated


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undersaturated

[¦ən·dər¦sach·ə‚rād·əd]
(petrology)
Pertaining to igneous rock composed of unsaturated minerals, that is, without free silica.
References in periodicals archive ?
This is despite both the calcite and aragonite saturation states being highly undersaturated in experimental water chemistry conditions (Table 1), which might be expected to result in active dissolution of unprotected calcified material.
Based on the geochemical results using Phreeqc, the water samples from San Jose and Linabo were undersaturated with respect to anhydrite, gypsum, and halite.
This method is based on analytical pseudo steady state equation of undersaturated oil reservoir as follows:Equation
2], the pH and [OMEGA] of the bottom waters are reduced and aragonite as well as calcite can become undersaturated for a few months each year (Mathis and Questel 2013).
Generally, the most important factor favoring any mineral deposition is the degree of supersaturation of a solution with respect to that mineral [6] A solution for example, will precipitate calcite when it is supersaturated with respect to calcite, and at the same time the same solution is expected to dissolve calcite when it is undersaturated with respect to calcite 6 it is possible to predict the possible deposition of this mineral and even the amount that can be deposited by calculating the saturation index (SI) of a given solution with respect to calcite mineral, this is done by calculating the relative saturation (RS) using many computer codes, this is then related by the following equation [2];
O'Key provides the clearest exposure to the most undersaturated segment of the Russian retail market, in our view.
We report here results of a study that show inter-diffusion of ions between two solutions, both saturated with respect to hydroxyapatite but with dissimilar compositions, resulted in one solution becoming undersaturated and the other supersaturated.
In the proximal tubules, urine is generally undersaturated with respect to CaOx, and crystals do not form except in cases of acute or primary hyperoxaluria.
Black andradite, though not a gem material, has long been known among mineral collectors by the varietal name of melanite; it occurs in sharp, lustrous crystals in metamorphic rocks and in undersaturated alkaline igneous rocks.
In fact, most solubility measurements approached equilibrium only from the undersaturated side (Freyer & Voigt, 2003, 2004).
In the rainy season the gulf can become stratified with bottom waters undersaturated in oxygen and high in salinity (Lizano 1998, Kress et al.