Sample G9-25-94-2
NavDat sample number 92324 · PHONOLITE
Sample
| Sample ID | G9-25-94-2 |
|---|---|
| Rock name | PHONOLITE |
| 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 | 44.6225 |
|---|---|
| Longitude | -104.768 |
| Location | Miss Buttes |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49.24 | 48.96 | 49.52 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.1 | WT% | XRF | |
| TIO2 | 0.32 | WT% | XRF | |
| AL2O3 | 19 | WT% | XRF | |
| FE2O3 | 3.01 | WT% | XRF | |
| FEOT | 3.35 | WT% | XRF | |
| FEO | 0.3 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 0.4 | WT% | XRF | |
| CAO | 0.79 | WT% | XRF | |
| NA2O | 7.84 | WT% | XRF | |
| K2O | 5.01 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| CO2 | 0.17 | WT% | XRF | |
| LOI | 4.59 | WT% | XRF | |
| NB | 215 | PPM | XRF | |
| RB | 168 | PPM | XRF | |
| SR | 345 | PPM | XRF | |
| ZR | 880 | PPM | XRF | |
| Y | 47 | PPM | XRF | |
| BA | 330 | PPM | XRF | |
| CE | 180 | PPM | XRF | |
| LA | 114 | PPM | XRF | |
| ZN | 172 | PPM | XRF | |
| H2O_PLUS | 3.64 | WT% | UNKNOWN | |
| H2O_MINUS | 0.59 | WT% | UNKNOWN | |
| CO2 | 0.17 | WT% | UNKNOWN | |
| TH | 88.7 | PPM | ICPMS | |
| U | 26.8 | PPM | ICPMS | |
| LA | 100 | PPM | ICPMS | |
| CE | 160 | PPM | ICPMS | |
| PR | 15 | PPM | ICPMS | |
| ND | 50 | PPM | ICPMS | |
| SM | 9 | PPM | ICPMS | |
| EU | 2.6 | PPM | ICPMS | |
| GD | 8.6 | PPM | ICPMS | |
| TB | 1.1 | PPM | ICPMS | |
| DY | 5.4 | PPM | ICPMS | |
| HO | 1.3 | PPM | ICPMS | |
| ER | 3.7 | PPM | ICPMS | |
| TM | 0.64 | PPM | ICPMS | |
| YB | 4.6 | PPM | ICPMS | |
| RB | 88.6 | PPM | TIMS | |
| SR | 501.8 | PPM | TIMS | |
| SR87_SR86 | 0.706105 | TIMS | ||
| SM | 6.737 | PPM | TIMS | |
| ND | 38.62 | PPM | TIMS | |
| ND143_ND144 | 0.512567 | TIMS |