Klee, Susanne; Baumann, Albrecht; Thiedig, Friedhelm (1992): Table 1: U-Pb analyses of zircons and monazites of paragneisses which belong to the high grade metamorphic basement of Wilson Terrane [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763304, Supplement to: Klee, S et al. (1992): 9. Age relations of the high grade metamorphic rocks in the Terra Nova Bay Area, North Victoria Land, Antarctica: a preliminary report. Polarforschung, 60(2), 101-106, hdl:10013/epic.29659.d001
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Abstract:
Samples of high grade metamorphic basement rocks of Wilson Terrane cropping out in the Deep Freeze Range and on Kay Island were collected during GANOVEX VI to study their isotopic evolution. The age and origin of granulite facies gneisses and of their migmatite host rocks are especially of interest for the interpretation of the geological and tectonic development of North Victoria Land. Another important research aspect is the influence of the polyphase metamorphic evolution on the isotopic systems of whole rocks and minerals like zircon, garnet, orthopyroxene, amphibole and feldspar.
Coverage:
Latitude: -74.600000 * Longitude: 164.216700
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
Comment:
Zircon ages vary between 480 Ma and 488 Ma, monazites yield ages between 482 Ma and 485 Ma. In Table 1 ages are calculated from Ma to ka.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Klee, Susanne | |||
| 3 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 4 | Comment | Comment | Klee, Susanne | |||
| 5 | Size fraction | Size fraction | Klee, Susanne | |||
| 6 | Sample mass | Samp m | mg | Klee, Susanne | ||
| 7 | Uranium | U | mg/kg | Klee, Susanne | ||
| 8 | Lead | Pb | mg/kg | Klee, Susanne | ||
| 9 | Lead-206 | 206Pb | mg/kg | Klee, Susanne | ||
| 10 | Lead-206 | 206Pb | µmol/g | Klee, Susanne | ||
| 11 | Lead-207/Lead-206 ratio | 207Pb/206Pb | Klee, Susanne | |||
| 12 | Lead-208/Lead-206 ratio | 208Pb/206Pb | Klee, Susanne | |||
| 13 | Lead-206/Uranium-238 ratio | 206Pb/238U | Klee, Susanne | |||
| 14 | Lead-207/Uranium-235 ratio | 207Pb/235U | Klee, Susanne | |||
| 15 | Lead-207/Lead-206 ratio | 207Pb/206Pb | Klee, Susanne | |||
| 16 | Age, dated | Age dated | ka | Klee, Susanne | Age, 238U/206Pb Uranium-Lead | |
| 17 | Age, dated | Age dated | ka | Klee, Susanne | Age, 235U/207Pb Uranium-Lead | |
| 18 | Age, dated | Age dated | ka | Klee, Susanne | Age, 206Pb/207Pb Lead-Lead |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
192 data points
Data
| 1 Event | 2 Sample label | 3 Depth sed [m] | 4 Comment | 5 Size fraction | 6 Samp m [mg] | 7 U [mg/kg] | 8 Pb [mg/kg] | 9 206Pb [mg/kg] | 10 206Pb [µmol/g] | 11 207Pb/206Pb | 12 208Pb/206Pb | 13 206Pb/238U | 14 207Pb/235U | 15 207Pb/206Pb | 16 Age dated [ka] (Age, 238U/206Pb Uranium-Lead) | 17 Age dated [ka] (Age, 235U/207Pb Uranium-Lead) | 18 Age dated [ka] (Age, 206Pb/207Pb Lead-Lead) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ANT102 | 1 | 0 | xenomorphic, zircon | >100 µm | 0.10 | 3911 | 892 | 1504 | 2940 | 0.07393 | 1.78135 | 0.09219 | 0.87779 | 0.06906 | 568000 | 640000 | 900000 |
| ANT102 | 2 | 0 | rounded, zircon | >100 µm | 0.20 | 2170 | 448 | 844 | 4344 | 0.07315 | 1.47978 | 0.09329 | 0.89844 | 0.06985 | 575000 | 651000 | 924000 |
| ANT102 | 3 | 0 | short prisms, zircon | >100 µm | 0.40 | 1891 | 330 | 865 | 4995 | 0.08472 | 0.76145 | 0.10967 | 1.23847 | 0.08190 | 671000 | 818000 | 1243000 |
| ANT102 | 4 | 0 | long prisms, zircon | >100 µm | 0.30 | 1837 | 278 | 944 | 6207 | 0.09044 | 0.33379 | 0.12319 | 1.49792 | 0.08819 | 749000 | 930000 | 1387000 |
| ANT102 | 5 | 0 | prisms with pyramidal ends, zircon | 125-100 µm | 0.61 | 593 | 84 | 332 | 6910 | 0.09528 | 0.13223 | 0.13426 | 1.72651 | 0.09326 | 812000 | 1018000 | 1493000 |
| ANT102 | 6 | 0 | rounded, zircon | 125-100 µm | 0.50 | 488 | 73 | 295 | 8906 | 0.09769 | 0.10570 | 0.14504 | 1.92057 | 0.09604 | 873000 | 1088000 | 1548000 |
| ANT102 | 7 | 0 | platy, monazite | 125-100 µm | 0.62 | 9193 | 2276 | 3009 | 4640 | 0.05987 | 2.57281 | 0.07848 | 0.61393 | 0.05673 | 487000 | 486000 | 481000 |
| ANT104 | 3 | 0 | rounded, monazite | >180 µm | 1.00 | 917 | 74 | 296 | 2861 | 0.06233 | 0.15648 | 0.07744 | 0.61132 | 0.05725 | 481000 | 484000 | 501000 |
| ANT104 | 4 | 0 | short prisms, zircon | >180 µm | 0.40 | 803 | 66 | 262 | 4844 | 0.06031 | 0.15795 | 0.07818 | 0.61769 | 0.05731 | 485000 | 488000 | 503000 |
| ANT104 | 5 | 0 | long prisms, zircon | >180 µm | 1.40 | 1350 | 113 | 442 | 7634 | 0.05891 | 0.17767 | 0.07849 | 0.61694 | 0.05701 | 487000 | 488000 | 492000 |
| ANT104 | 1 | 0 | platy, monazite | 62-50 µm | 0.52 | 3910 | 1235 | 1268 | 728 | 0.07684 | 3.57223 | 0.07775 | 0.60914 | 0.05682 | 483000 | 483000 | 485000 |
| ANT104 | 2 | 0 | platy, monazite | 90-80 µm | 0.99 | 4940 | 1642 | 1608 | 807 | 0.07499 | 3.73747 | 0.07804 | 0.61259 | 0.05693 | 484000 | 485000 | 489000 |