نتایج جستجو برای: dolomitization
تعداد نتایج: 212 فیلتر نتایج به سال:
Magnetotactic bacteria precipitate intracellular crystals of single-domain magnetite (Fe3O4) and/or greigite (Fe3S4), which have often been implicated in carrying the natural remanent magnetization (NRM) of freshwater and marine sediments. In vivo, the magnetic crystals are usually aligned in chains such that their moments add together, generating net cellular moments high enough to rotate the ...
Reflectance spectra of carbonate minerals in the shortwave infrared (SWIR) and thermal infrared (TIR) wavelength regions contain a number of diagnostic absorption features. The shape of these features depends on various physical and chemical parameters. To accurately identify carbonate minerals or rocks in pure and mixed form, it is necessary to analyze the effects of the parameters on spectral...
Abstract Core samples were collected from three wells, one onshore and two offshore, Qatar’s Upper Jurassic Arab D reservoir. The subjected to multiproxy petrographic chemical analyses identify their micro- nanoporosity types understand evolution destruction. Based on the petrophysical properties of studied rocks, succession was divided into seven rock types. Primary microporosity includes inte...
The Guanwushan Formation (GWSF) of Devonian dolomite are extensively developed in the northwest Sichuan Basin Upper Yangtze region, but properties dolomitization fluid and geneses still unclear. Three types dolomites can be divided by petrological characteristics: fine-microcrystalline (FMD), fine crystalline (FCD) medium (MCD). order degree these three increased turn, they all showed dark cath...
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