Peters, Matthias; Lippolt, Hans Jürgen; Rittmann, Ursula; Weber, Klaus (1989): Tab. 1: K-Ar mineral ages of magmatic rocks and their mylonitic alteration products at Ahlmannryggen [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763217, In supplement to: Peters, M et al. (1989): Field relations, petrography and K-Ar Age determinations on Magmatic Rocks from Neuschwabenland, Antarctica. Polarforschung, 59(1/2), 35-44, hdl:10013/epic.29631.d001
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Coverage:
Median Latitude: -71.850000 * Median Longitude: -2.000000 * South-bound Latitude: -72.000000 * West-bound Longitude: -3.000000 * North-bound Latitude: -71.700000 * East-bound Longitude: -1.000000
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Peters, Matthias | |||
| 2 | Site | Site | Peters, Matthias | |||
| 3 | Area/locality | Area | Peters, Matthias | |||
| 4 | Minerals | Minerals | Peters, Matthias | |||
| 5 | Rock type | Rock | Peters, Matthias | |||
| 6 | Age, dated | Age dated | ka | Peters, Matthias | Age, 40K/40Ar Potassium-Argon | |
| 7 | Age, dated standard deviation | Age dated std dev | ± | Peters, Matthias | ||
| 8 | Argon-40 at standard pressure | 40Ar STP | 10-6 cm3/g | Peters, Matthias | ||
| 9 | Potassium-40 | 40K | % | Peters, Matthias |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
162 data points
Data
| 1 Sample label | 2 Site | 3 Area | 4 Minerals | 5 Rock | 6 Age dated [ka] | 7 Age dated std dev [±] | 8 40Ar STP [10-6 cm3/g] | 9 40K [%] |
|---|---|---|---|---|---|---|---|---|
| SK4 | A1 | Snokallen | strongly sericitisized plagioclase | flow | 872000 | 25000 | 225.00 | 5.2 |
| SK4 | A1 | Snokallen | altered groundmass | flow | 465000 | 16000 | 54.50 | 2.6 |
| SK28 | A2 | Snokallen | weakly altered plagioclase | flow | 1115000 | 37000 | 54.00 | 0.9 |
| SK36 | A3 | Snokallen | altered groundmass | flow | 460000 | 16000 | 40.60 | 2.0 |
| SK36 | A3 | Snokallen | strongly sericitisized plagioclase | flow | 666000 | 22000 | 124.00 | 4.0 |
| 820/237 | A15 | Nunatak 820 | weakly altered plagioclase | flow | 1063000 | 36000 | 178.00 | 3.2 |
| 820/237 | A15 | Nunatak 820 | altered groundmass | flow | 699000 | 24000 | 37.30 | 1.1 |
| Gr293 | A32 | Grunehogna | plagioclase | Borgmassivet intrusives | 666000 | 26000 | 22.40 | 0.7 |
| RO318 | A39 | Roberts-kollen | biotite (comag.) | dike | 1109000 | 33000 | 419.00 | 7.0 |
| RO318 | A39 | Roberts-kollen | plagioclase | dike | 751000 | 29000 | 10.40 | 0.3 |
| Gr277 | A33 | Grunehogna | weakly altered plagioclase | dike | 842000 | 30000 | 14.76 | 0.4 |
| Gr277 | A33 | Grunehogna | groundmass | dike | 1143000 | 39000 | 31.57 | 0.5 |
| Gr277 | A33 | Grunehogna | biotite (comag.) | dike | 1183000 | 33000 | 398.00 | 6.9 |
| Ut245 | A18 | Utkikken | muscovite fraction <2 Ôø_m | mylonite zone | 526000 | 11000 | 97.90 | 4.6 |
| Ul245 | A18 | Utkikken | muscovite fraction 2-6 Ôø_m | mylonite zone | 522000 | 11000 | 117.20 | 4.9 |
| SK74 | A23 | Snokallen | fresh groundmass | olivine dike | 281000 | 18000 | 5.01 | 0.4 |
| SN107 | A5 | Snokjeringa | fresh groundmass | dike | 246000 | 20000 | 2.46 | 0.2 |
| Gr293 | A32 | Grunehogna | groundmass | olivine dike | 202000 | 18000 | 2.47 | 0.3 |