Sample 9-24-91-1
NavDat sample number 92363 · TRACHYTE
Sample
| Sample ID | 9-24-91-1 |
|---|---|
| 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 | 44.2895 |
|---|---|
| Longitude | -103.483 |
| Location | Vanocker |
| State / province | South Dakota |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 54.5 | 51 | 58 |
Analyses
WHOLE ROCK
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62 | WT% | XRF | |
| TIO2 | 0.53 | WT% | XRF | |
| AL2O3 | 15.6 | WT% | XRF | |
| FE2O3 | 4.6 | WT% | XRF | |
| FEOT | 5.11 | WT% | XRF | |
| FEO | 1.78 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.83 | WT% | XRF | |
| CAO | 3.64 | WT% | XRF | |
| NA2O | 3.71 | WT% | XRF | |
| K2O | 3.5 | WT% | XRF | |
| P2O5 | 0.3 | WT% | XRF | |
| CO2 | 0.67 | WT% | XRF | |
| LOI | 3.55 | WT% | XRF | |
| NB | 12 | PPM | XRF | |
| RB | 90 | PPM | XRF | |
| SR | 1100 | PPM | XRF | |
| ZR | 220 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| BA | 960 | PPM | XRF | |
| CE | 93 | PPM | XRF | |
| LA | 53 | PPM | XRF | |
| ZN | 57 | PPM | XRF | |
| H2O_PLUS | 1.02 | WT% | UNKNOWN | |
| H2O_MINUS | 1.6 | WT% | UNKNOWN | |
| CO2 | 0.67 | WT% | UNKNOWN | |
| TH | 16.1 | PPM | ICPMS | |
| U | 4.6 | PPM | ICPMS | |
| LA | 75 | PPM | ICPMS | |
| CE | 130 | PPM | ICPMS | |
| PR | 15 | PPM | ICPMS | |
| ND | 56 | PPM | ICPMS | |
| SM | 10 | PPM | ICPMS | |
| EU | 2.7 | PPM | ICPMS | |
| GD | 7.2 | PPM | ICPMS | |
| TB | 0.8 | PPM | ICPMS | |
| DY | 4.3 | PPM | ICPMS | |
| HO | 0.72 | PPM | ICPMS | |
| ER | 2 | PPM | ICPMS | |
| TM | 0.28 | PPM | ICPMS | |
| YB | 1.7 | PPM | ICPMS | |
| RB | 68.6 | PPM | TIMS | |
| SR | 1078 | PPM | TIMS | |
| SR87_SR86 | 0.706143 | TIMS | ||
| SM | 9.778 | PPM | TIMS | |
| ND | 56.69 | PPM | TIMS | |
| ND143_ND144 | 0.512357 | TIMS |