Open Access
Table 1
40Ar/39Ar analyses results.
| Sample | Latitude | Longitude | Lithology | Metarial dated | Analyse | Plateau age (Ma) | ± 2σ | % 39Ar released | MSWD | Inverse isochrone age (Ma) | ± 2σ | 40Ar/36Ar intercept | ± 2σ | MSWD | Total fusion age (Ma) | ± 2σ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BT22 | 16°18’49.59" N | 61°47’47.73" W | Dacite lava flow | Plagioclase | A | 4.10 | 1.03 | 91.36 | 0.49 | 4.05 | 1.39 | 301.09 | 53.47 | 0.61 | 4.46 | 1.11 |
| B | 4.42 | 0.91 | 86.67 | 0.51 | 3.46 | 1.92 | 360.2 | 111.0 | 0.20 | 4.46 | 0.85 | |||||
| A + B combined | 4.28 | 0.68 | 87.89 | 0.48 | 3.97 | 1.03 | 316.40 | 24.20 | 0.46 | 4.46 | 0.70 |
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