RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 14, ES1001, doi:10.2205/2014ES000535, 2014

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Morphology and geochemistry of zircon in bentonite ash at the Paleocene-Eocene boundary in the Anthering Formation, Eastern Alps, Austria

Figures

Figure 1. Panoramic micrograph of the polished polystyrene pellet with...
Figure 2. Cataclased zircon grains mounted on a double-sided adhesive tape.
Figure 3. Cataclased zircon grains in a polystyrene pellet.
Figure 4. Zircon grains of various morphology: (a) oval, (b) corroded,...
Figure 5. Zircon crystal with small round cavities on growth planes in...
Figure 6. Inclusions in zircon: (a) quartz (dark) and xenotime (pale...
Figure 7. Micrographs of zircon grains from bed X$_1$ of bentonite...
Figure 8. Factor diagram for major components of zircon $(N = 176)$.
Figure 9. Hf$_2$O$_3$–Y$_2$O$_3$ diagram for all grains ($N = 176)$.
Figure 10. P$_2$O$_5$–Y$_2$O$_3$ diagram for all grains $(N = 176)$.
Figure 11. P$_2$O$_5$–Y$_2$O$_3$ diagram for grains 33, 35, and 46.
Figure 12. Hf$_2$O$_3$–Y$_2$O$_3$ diagram for selected grains.
Figure 13. ZrO$_2$–ZrO$_2/$HfO$_2$ diagram for all grains ($N = 176)$...
Figure 14. Factor diagram for trace elements in the zircons $(N = 41)$....
Figure 15. Th–U diagram for zircons from bed X$_1$ in comparison...
Figure 16. U/Yb–Hf diagram for zircons: circles – this...
Figure 17. Ti–Y diagram for zircons: solid circles –...
Figure 18. Chondrite-normalized [McDounough and Sun,...

Tables

Table 1. Conditions of determination the elemental compositon of zircons...
Table 2. Whole rock composition (wt.%) of zircons
Table 3. Factor loadings matrix of major elements
Table 4. Trace and rare-earth elements concentrations (ppm) in individual...
Table 5. Factor loadings matrix of trace elements
Table 6. Estimated zircon crystallization temperatures

Citation: Grachev A. F., S. E. Borisovsky, T. F. Zinger (2014), Morphology and geochemistry of zircon in bentonite ash at the Paleocene-Eocene boundary in the Anthering Formation, Eastern Alps, Austria, Russ. J. Earth Sci., 14, ES1001, doi:10.2205/2014ES000535.

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