Essays about: "geochemical"
Showing result 21 - 25 of 118 essays containing the word geochemical.
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21. Evaluation of distribution coefficients (KOC and Kd) for per- and polyfluoroalkyl substances
University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)Abstract : The dominating factors affecting sorption of per- and polyfluoroalkyl substances (PFAS) remain subject of research and debate. Traditionally, distribution coefficients (e.g. READ MORE
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22. Geochemical tracing of Arsenic sources in groundwater at the remediated Storliden mine, Skellefte district
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : The Swedish mining industry has changed from the historical situation with several smaller mines to the present situation with a few, bigger mines. This results in presence of abandoned mines around Sweden. Remediation of mines is regulated by legislation and the present demands are considerably higher than it was some decades ago. READ MORE
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23. Oolites from the Arabian platform: Archives for the aftermath of the end-Triassic mass extinction
University essay from Lunds universitet/Geologiska institutionenAbstract : The end-Triassic mass extinction (ETME) which occurred around 201 Ma is known as one of “the big five” mass extinction events of the Phanerozoic eon. Its effects were most severe on marine ecosystems, resulting in a global decline of invertebrate taxa and the complete extinction of the conodonts. READ MORE
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24. GEOCHEMICAL UNDERSTANDING OF VANADIUM IN MALMBERGET ORES (KIRUNA TYPE), NORTHERN SWEDEN
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : The Norrbotten region is an important Swedish mining district with occurrence of several economic deposits and sub-economic deposits of apatite iron ores (Kiruna Type) and epigenetic Cu-Au ores. The apatite iron ores include the large Malmberget deposit mined by LKAB company as one of their world class underground mines. READ MORE
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25. Reconstructing Weathering and Climate Trends on Loess Deposits in NW France Using XRF Analysis
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : Analyzing climate changes by loess sediment deposits formed after the last glacial maximum gives us information about how the environment was dynamically before humans physically could record climate changes. Sampling and analyzing loess from different places in the world give us a more reliable view of when events and changes in climate took place. READ MORE