Sample 9-18-91-8
NavDat sample number 92273 · TRACHYTE
Sample
| Sample ID | 9-18-91-8 |
|---|---|
| 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 | 44.3281 |
|---|---|
| Longitude | -103.884 |
| Location | Annie Creek |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 54.66 | 54.47 | 54.85 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.9 | WT% | XRF | |
| TIO2 | 0.24 | WT% | XRF | |
| AL2O3 | 17.9 | WT% | XRF | |
| FE2O3 | 2.52 | WT% | XRF | |
| FEOT | 2.8 | WT% | XRF | |
| FEO | 0.48 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 0.54 | WT% | XRF | |
| CAO | 1.22 | WT% | XRF | |
| NA2O | 7.37 | WT% | XRF | |
| K2O | 5.25 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| CO2 | 0.27 | WT% | XRF | |
| LOI | 3.17 | WT% | XRF | |
| NB | 57 | PPM | XRF | |
| RB | 210 | PPM | XRF | |
| SR | -1500 | PPM | XRF | |
| ZR | 590 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| BA | 810 | PPM | XRF | |
| CE | 240 | PPM | XRF | |
| LA | 152 | PPM | XRF | |
| ZN | 160 | PPM | XRF | |
| H2O_PLUS | 2.22 | WT% | UNKNOWN | |
| H2O_MINUS | 0.41 | WT% | UNKNOWN | |
| CO2 | 0.27 | WT% | UNKNOWN | |
| TH | 83.1 | PPM | ICPMS | |
| U | 26.8 | PPM | ICPMS | |
| LA | 190 | PPM | ICPMS | |
| CE | 290 | PPM | ICPMS | |
| PR | 27 | PPM | ICPMS | |
| ND | 86 | PPM | ICPMS | |
| SM | 13 | PPM | ICPMS | |
| EU | 3.7 | PPM | ICPMS | |
| GD | 11 | PPM | ICPMS | |
| TB | 1.2 | PPM | ICPMS | |
| DY | 6.6 | PPM | ICPMS | |
| HO | 1.3 | PPM | ICPMS | |
| ER | 3.7 | PPM | ICPMS | |
| TM | 0.6 | PPM | ICPMS | |
| YB | 4 | PPM | ICPMS | |
| RB | 126.7 | PPM | TIMS | |
| SR | 3130 | PPM | TIMS | |
| SR87_SR86 | 0.705961 | TIMS | ||
| SM | 10.22 | PPM | TIMS | |
| ND | 69.21 | PPM | TIMS | |
| ND143_ND144 | 0.512478 | TIMS |