Spaeth, Gerhard; Hotten, Rüdiger; Peters, Matthias; Techmer, Kirsten S (2011): Tab. 4: K/Ar age determinations of dyke samples [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.764043, In supplement to: Spaeth, G et al. (1995): Mafic Dykes in the Shackleton Range, Antarctica. Polarforschung, 63(2/3), 101-121, hdl:10013/epic.29717.d001
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Coverage:
Median Latitude: -80.328700 * Median Longitude: -27.516671 * South-bound Latitude: -80.345000 * West-bound Longitude: -29.366700 * North-bound Latitude: -80.266700 * East-bound Longitude: -24.833300
Event(s):
Dyke-5 * Latitude: -80.345000 * Longitude: -24.833300 * Location: Read Mountains, Shackleton Range, Antarctica * Campaign: GEISHA * Method/Device: Geological sample (GEOS)
Dyke-15 * Latitude: -80.339700 * Longitude: -28.550000 * Location: Lagrange Nunataks, Shackleton Range, Antarctica * Campaign: GEISHA * Method/Device: Geological sample (GEOS)
Dyke-16a * Latitude: -80.266700 * Longitude: -27.800000 * Location: Lagrange Nunataks, Shackleton Range, Antarctica * Campaign: GEISHA * Method/Device: Geological sample (GEOS)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Spaeth, Gerhard | |||
| 3 | Description | Description | Spaeth, Gerhard | |||
| 4 | Sample code/label 2 | Sample label 2 | Spaeth, Gerhard | Dyke No. (NHH =northern Haskard Highlands; LN =Lagrange Nunataks; HM =Herbert Mountains; RM =Read Mountains) | ||
| 5 | Size fraction | Size fraction | Spaeth, Gerhard | |||
| 6 | Potassium oxide | K2O | % | Spaeth, Gerhard | ||
| 7 | Argon-40 at standard pressure | 40Ar STP | 10-6 cm3/g | Spaeth, Gerhard | 40Ar* [nl STP/g] | |
| 8 | Argon-40 | 40Ar | % | Spaeth, Gerhard | ||
| 9 | Age, dated | Age dated | ka | Spaeth, Gerhard | ||
| 10 | Age, error | Age e | ± | Spaeth, Gerhard | 2 sigma confidence interval |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
118 data points
Data
| 1 Event | 2 Sample label | 3 Description | 4 Sample label 2 | 5 Size fraction | 6 K2O [%] | 7 40Ar STP [10-6 cm3/g] | 8 40Ar [%] | 9 Age dated [ka] | 10 Age e [±] |
|---|---|---|---|---|---|---|---|---|---|
| Dyke-16a | XIV/1 | whole rock | 16a LN | 0.88 | 5.34 | 75.42 | 179200 | 4900 | |
| Dyke-16a | XIV/1 | plagioclase | 16a LN | 125-250 µm | 0.62 | 3.85 | 94.40 | 182900 | 11300 |
| Dyke-16a | XIV/1 | pyroxene | 16a LN | 125-250 µm | 1.81 | 11.12 | 97.26 | 181200 | 4400 |
| Dyke-16b | XIX/3 | whole rock | 16b LN | 0.84 | 5.02 | 76.62 | 176600 | 4700 | |
| Dyke-16b | XIX/3 | plagioclase | 16b LN | 250-325 µm | 0.20 | 1.24 | 91.61 | 182100 | 8200 |
| Dyke-16b | XIX/3 | pyroxene | 16b LN | 250-325 µm | 1.51 | 9.11 | 97.10 | 178000 | 3700 |
| Dyke-25 | XX/3 | whole rock | 25 LN | 0.74 | 4.49 | 50.56 | 179100 | 7200 | |
| Dyke-15 | XIII/1 | whole rock | 15 LN | 2.23 | 27.97 | 95.03 | 352300 | 7500 | |
| Dyke-15 | XIII/1 | plagioclase | 15 LN | 125-250 µm | 1.44 | 14.10 | 97.74 | 280800 | 6500 |
| Dyke-15 | XIII/1 | pyroxene | 15 LN | 125-250 µm | 1.60 | 21.16 | 97.76 | 369700 | 4200 |
| Dyke-24 | XVIII/1 | whole rock | 24 NHH | 0.90 | 13.21 | 48.04 | 406000 | 16900 | |
| Dyke-27 | XXI/4 | whole rock | 27 HM | 2.45 | 37.90 | 96.71 | 425600 | 9100 | |
| Dyke-5 | V | whole rock | 5 RM | 1.22 | 39.62 | 90.05 | 800500 | 15800 | |
| Dyke-5 | AS 33 | biotite | 5 RM | 100-180 µm | 579.74 | 98.91 | 1300000 | 50000 |