Sample G3-29-02-1
NavDat sample number 92302 · TRACHYTE
Sample
| Sample ID | G3-29-02-1 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Isotopic data attributed to dated samples (Table 3-1 (p.43)) as indicated by author in thesis text (even though sample numbers for samples with isotopic data are different from samples numbers of dated samples). |
Location
| Latitude | 44.5894 |
|---|---|
| Longitude | -104.713 |
| Location | Devil's Tower |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49.04 | 48.88 | 49.2 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.3 | WT% | XRF | |
| TIO2 | 0.32 | WT% | XRF | |
| AL2O3 | 18.82 | WT% | XRF | |
| FE2O3 | 2.87 | WT% | XRF | |
| FEOT | 3.19 | WT% | XRF | |
| FEO | 0.32 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 0.28 | WT% | XRF | |
| CAO | 1.52 | WT% | XRF | |
| NA2O | 8.49 | WT% | XRF | |
| K2O | 4.44 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| LOI | 1.95 | WT% | XRF | |
| NB | 140 | PPM | XRF | |
| RB | 133 | PPM | XRF | |
| SR | 1350 | PPM | XRF | |
| ZR | 623 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| BA | 939 | PPM | XRF | |
| CE | 146 | PPM | XRF | |
| TH | 63.7 | PPM | ICPMS | |
| U | 24.2 | PPM | ICPMS | |
| LA | 89.5 | PPM | ICPMS | |
| CE | 146 | PPM | ICPMS | |
| PR | 16.7 | PPM | ICPMS | |
| ND | 56.4 | PPM | ICPMS | |
| SM | 10.4 | PPM | ICPMS | |
| EU | 2.66 | PPM | ICPMS | |
| GD | 8.57 | PPM | ICPMS | |
| TB | 1.22 | PPM | ICPMS | |
| DY | 5.76 | PPM | ICPMS | |
| HO | 1.21 | PPM | ICPMS | |
| ER | 3.98 | PPM | ICPMS | |
| TM | 0.58 | PPM | ICPMS | |
| YB | 4.2 | PPM | ICPMS | |
| LU | 0.61 | PPM | ICPMS | |
| Y | 33.5 | PPM | ICPMS | |
| RB | 98.6 | PPM | TIMS | |
| SR | 1253.7 | PPM | TIMS | |
| SR87_SR86 | 0.70475 | TIMS | ||
| SM | 8.897 | PPM | TIMS | |
| ND | 50.63 | PPM | TIMS | |
| ND143_ND144 | 0.51253 | TIMS |