Phosphogenesis
Web开馆时间:周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 WebAug 13, 2024 · Regeneration of allochtonous-P from fish bone dissolution may contribute to the P-cycle of many aquatic systems. Recently, Salama et al. supposed the bioerosion of bones is an important source for P required for phosphogenesis. Based on the above-mentioned assumptions, the phosphogenesis model could be approached.
Phosphogenesis
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WebNov 8, 2024 · Reedel, 12. novembril 2024 algusega kell 12.15 kaitseb TÜ ÖMI geoloogia osakonnas Ravila 14a – 1019 KAAREL LUMISTE WebMar 16, 2024 · This paper presents the possibility of producing phosphorus fertilizers through Acidithiobacillus ferrooxidans utilization in secondary raw materials solubilization. Phosphorus was obtained from the bones of poultry and fish as well as from Morocco phosphorite. Four doses of poultry bones and fish bones were used in the experiment (2, …
WebPhosphogenesis either occurred around preformed phosphatic particles, which were partly covered by a new generation of phosphate, thereby producing lenticular, eye-shaped …
WebEarly Cambrian foreland phosphogenesis in the Khuvsgul Basin of Mongolia Jun 2024 Constraining Neoproterozoic climate change in Tigray, Ethiopia WebApr 12, 2024 · The sedimentary basin of Podillya (Volyno-Podillya-Moldavia) is situated in the southwest of the Ukrainian crystalline shield and belongs to the middle part of the Upper Neoproterozoic section of the Moguiliv-Podilska Group. By analyzing the primary oxide, trace, and rare-earth element compositions of the phosphate nodules in the area, this …
WebAn upwelling flux triggered phosphogenesis, promoting the early lithification of the sea floor on the platforms. After upwelling event neritic carbonate production could not be re-established on the Latium-Abruzzi platform because of the persisting eutrophic conditions and the high rates of tectonic subsidence and terrigenous input linked to ...
WebPhosphogenesis. Modern sites of phosphogenesis include upwelling coastal zones where large amounts of organic matter and sedimentary phosphate deposits are formed, … pop up dog playpen bed bath beyondWebDec 11, 2024 · In such regions, phosphogenesis is thought to be driven by microbes that concentrate P as part of polyphosphate metabolism 27,28,38, with the colorless sulfur bacteria, in addition to others ... sharon l mccarthyWebJan 2, 2024 · Noteworthy, no signatures of phosphogenesis, such as phosphate nodules or elevated content of Ptot, are revealed at hardgrounds in the Hume top, nor at any level in the entire HRG (Kabanov and... pop up downspout drain installationWebSep 1, 2000 · Phosphogenesis is thought to occur in the topmost centimeters of the sediment column during the earliest stage of diagenesis (Schuffert et al., 1994;Schulz and Schulz, 2005). ... Highly variable... sharon l lineberryWebJun 16, 2009 · An early-diagenetic mildly reducing environment is suggested by the presence of authigenic (subsequently reworked) pyrite, which contrasts with the syndepositional normal oxygenated conditions reflected by macroburrowing and the abundance of benthic fossils. Keywords carbonate productivity apatite glauconite … sharon l mcneany phdWebJun 1, 1994 · Phosphogenesis, carbon-isotope stratigraphy, and carbonate-platform evolution along the Lower Cretaceous northern Tethyan margin. KARL B. FÖLLMI; … sharon llewelynWebAbstract Sedimentary facies, depositional environments and stratigraphic relationships of the Upper Cretaceous Duwi, Sibâîya and Phosphate Formations in Egypt are summarized in order to shed light on the origins and interrelationships between phosphorites and their commonly associated facies. sharon l mcgrath