Sample BB83-8a
NavDat sample number 15060 · TRACHYTE
Sample
| Sample ID | BB83-8a |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 29.2 |
|---|---|
| Longitude | -103.2 |
| Location | ring dike, BBNP |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.61 | WT% | XRF | |
| TIO2 | 0.25 | WT% | XRF | |
| AL2O3 | 11.9 | WT% | XRF | |
| FE2O3T | 5.66 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.32 | WT% | XRF | |
| CAO | 1.11 | WT% | XRF | |
| NA2O | 2.54 | WT% | XRF | |
| K2O | 5.17 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| TOTAL | 102.84 | WT% | XRF | |
| SC | 0.23 | PPM | INAA | |
| CR | 4.51 | PPM | INAA | |
| ZN | 209 | PPM | INAA | |
| RB | 271 | PPM | INAA | |
| SR | 63 | PPM | XRF | |
| Y | 20.3 | PPM | XRF | |
| ZR | 1446 | PPM | INAA | |
| NB | 162 | PPM | XRF | |
| CS | 1.49 | PPM | INAA | |
| BA | 586 | PPM | INAA | |
| LA | 236 | PPM | INAA | |
| CE | 479 | PPM | INAA | |
| ND | 230 | PPM | INAA | |
| SM | 39.9 | PPM | INAA | |
| EU | 0.41 | PPM | INAA | |
| TB | 5.98 | PPM | INAA | |
| YB | 16.39 | PPM | INAA | |
| LU | 2.15 | PPM | INAA | |
| HF | 44.21 | PPM | INAA | |
| TA | 12.48 | PPM | INAA | |
| TH | 54.42 | PPM | INAA | |
| U | 11.46 | PPM | INAA |