Sample BB83-7
NavDat sample number 15050 · RHYOLITE
Sample
| Sample ID | BB83-7 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 29.2917 |
|---|---|
| Longitude | -103.292 |
| Location | intrusive or lava dome?, Pulliam Peak, 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 | 72.48 | WT% | XRF | |
| TIO2 | 0.07 | WT% | XRF | |
| AL2O3 | 13.75 | WT% | XRF | |
| FE2O3T | 2.99 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.18 | WT% | XRF | |
| CAO | 0.8 | WT% | XRF | |
| NA2O | 3.86 | WT% | XRF | |
| K2O | 6.88 | WT% | XRF | |
| P2O5 | 0.04 | WT% | XRF | |
| TOTAL | 101.09 | WT% | XRF | |
| SC | 0.33 | PPM | INAA | |
| CR | 1.55 | PPM | INAA | |
| ZN | 158 | PPM | INAA | |
| RB | 287 | PPM | INAA | |
| SR | 59 | PPM | XRF | |
| Y | 110 | PPM | XRF | |
| ZR | 687 | PPM | INAA | |
| NB | 120 | PPM | XRF | |
| CS | 2.63 | PPM | INAA | |
| BA | 337 | PPM | INAA | |
| LA | 107 | PPM | INAA | |
| CE | 220 | PPM | INAA | |
| ND | 99 | PPM | INAA | |
| SM | 18.47 | PPM | INAA | |
| TB | 3.12 | PPM | INAA | |
| YB | 8.82 | PPM | INAA | |
| LU | 1.11 | PPM | INAA | |
| HF | 19.52 | PPM | INAA | |
| TA | 9.56 | PPM | INAA | |
| TH | 28.05 | PPM | INAA | |
| U | 7.2 | PPM | INAA |