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Element chemostratigraphy of the Devonian/Carboniferous boundary – A compositional approach
| Autoři | |
|---|---|
| Rok publikování | 2016 |
| Druh | Článek v odborném periodiku |
| Časopis / Zdroj | Applied Geochemistry |
| Fakulta / Pracoviště MU | |
| Citace | |
| www | Science direct |
| Doi | https://doi.org/10.1016/j.apgeochem.2016.10.002 |
| Obor | Geochemie |
| Klíčová slova | Element geochemistry; Compositional biplot; Dendrogram; Logratio coordinates; Devonian/Carboniferous boundary; Variation matrix |
| Popis | Geochemical signature of the Devonian/Carboniferous boundary was analyzed using standard and compositional approaches. • Outputs of principal component analysis were compared for raw, log-transformed and clr transformed geochemical data. • Q-mode clustering extracted predicative logratio coordinates – balances to reveal differences between shale layers. • Standard and compositional approaches have shown synergic effects. • It seems advisable to use both absolute and relative information to discern predominant and subtle geochemichal trends. |
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