[Microbiologic studies of a spodumene deposit]. 1979

G I Karavaiko, and Z A Avakian, and V S Krutsko, and E O Mel'nikova, and A V Zhdanov

A wide spectrum of heterotrophic and autotrophic microorganisms was detected in the zones of decomposition of spodumene and bed rocks, pegmatites and shales, in the spodumene deposit. The following aerobic microorganisms which did not from spores predominated in the deposit: Arthrobacter globiformis, A. pascens, A. simplex, Nocardia globerula, Pseudomonas fluorescens, Ps. putida, Ps. testosteronii. The following specific bacterial groups were found: thionic, sulfate reducing, and nitrifying bacteria. Degradation of spodumene and bed rocks was found to occur in moist regions containing cracks; it was accompanied with a decrease in pH. A possible role of microorganisms in decomposition of spodumene as well as removal of elements is discussed.

UI MeSH Term Description Entries
D008094 Lithium An element in the alkali metals family. It has the atomic symbol Li, atomic number 3, and atomic weight [6.938; 6.997]. Salts of lithium are used in treating BIPOLAR DISORDER. Lithium-7,Lithium 7
D008903 Minerals Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Mineral
D009615 Nocardia A genus of gram-positive, aerobic bacteria whose species are widely distributed and are abundant in soil. Some strains are pathogenic opportunists for humans and animals. Micropolyspora
D011549 Pseudomonas A genus of gram-negative, aerobic, rod-shaped bacteria widely distributed in nature. Some species are pathogenic for humans, animals, and plants. Chryseomonas,Pseudomona,Flavimonas
D000538 Aluminum Silicates Any of the numerous types of clay which contain varying proportions of Al2O3 and SiO2. They are made synthetically by heating aluminum fluoride at 1000-2000 degrees C with silica and water vapor. (From Hawley's Condensed Chemical Dictionary, 11th ed) Aluminum Silicate,Silicate, Aluminum,Silicates, Aluminum
D001173 Arthrobacter A genus of asporogenous bacteria isolated from soil that displays a distinctive rod-coccus growth cycle.
D012825 Silicon A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086]. Silicon-28,Silicon 28
D012988 Soil Microbiology The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms. Microbiology, Soil

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