Sample G9-23-94-5
NavDat sample number 92303 · COMENDITE
Sample
| Sample ID | G9-23-94-5 |
|---|---|
| Rock name | COMENDITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| 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 | 44.3479 |
|---|---|
| Longitude | -103.883 |
| Location | Elk Mt |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 55.16 | 55.91 | 55.41 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.24 | WT% | XRF | |
| TIO2 | 0.18 | WT% | XRF | |
| AL2O3 | 13.42 | WT% | XRF | |
| FE2O3 | 1.62 | WT% | XRF | |
| FEOT | 1.8 | WT% | XRF | |
| FEO | 0.18 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.22 | WT% | XRF | |
| CAO | 0.27 | WT% | XRF | |
| NA2O | 5.65 | WT% | XRF | |
| K2O | 3.93 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| LOI | 0.25 | WT% | XRF | |
| NB | 49 | PPM | XRF | |
| RB | 138 | PPM | XRF | |
| SR | 258 | PPM | XRF | |
| ZR | 357 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| BA | 1350 | PPM | XRF | |
| CE | 158 | PPM | XRF | |
| TH | 67.6 | PPM | ICPMS | |
| U | 13.5 | PPM | ICPMS | |
| LA | 107 | PPM | ICPMS | |
| CE | 158 | PPM | ICPMS | |
| PR | 16.8 | PPM | ICPMS | |
| ND | 52.6 | PPM | ICPMS | |
| SM | 7.9 | PPM | ICPMS | |
| EU | 2.11 | PPM | ICPMS | |
| GD | 5.96 | PPM | ICPMS | |
| TB | 0.8 | PPM | ICPMS | |
| DY | 3.27 | PPM | ICPMS | |
| HO | 0.59 | PPM | ICPMS | |
| ER | 1.85 | PPM | ICPMS | |
| TM | 0.26 | PPM | ICPMS | |
| YB | 1.7 | PPM | ICPMS | |
| LU | 0.24 | PPM | ICPMS | |
| Y | 18.8 | PPM | ICPMS | |
| RB | 97.9 | PPM | TIMS | |
| SR | 240.4 | PPM | TIMS | |
| SR87_SR86 | 0.707546 | TIMS | ||
| SM | 7.119 | PPM | TIMS | |
| ND | 47.59 | PPM | TIMS | |
| ND143_ND144 | 0.512333 | TIMS |