Sample BB83-23
NavDat sample number 15051 · RHYOLITE
Sample
| Sample ID | BB83-23 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 29.2 |
|---|---|
| Longitude | -103.2 |
| Location | Burro Mesa Rhyolite, BBNP |
| State / province | Texas |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 29 | 26 | 38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.58 | WT% | XRF | |
| TIO2 | 0.15 | WT% | XRF | |
| AL2O3 | 11.45 | WT% | XRF | |
| FE2O3T | 5.3 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.41 | WT% | XRF | |
| CAO | 1.38 | WT% | XRF | |
| NA2O | 4.85 | WT% | XRF | |
| K2O | 5.1 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| TOTAL | 102.44 | WT% | XRF | |
| SC | 0.47 | PPM | INAA | |
| CR | 2.56 | PPM | INAA | |
| ZN | 311 | PPM | INAA | |
| RB | 495 | PPM | INAA | |
| SR | 55 | PPM | XRF | |
| Y | 175 | PPM | XRF | |
| ZR | 1419 | PPM | INAA | |
| NB | 234 | PPM | XRF | |
| BA | 495 | PPM | INAA | |
| LA | 206 | PPM | INAA | |
| CE | 330 | PPM | INAA | |
| ND | 196 | PPM | INAA | |
| SM | 31.18 | PPM | INAA | |
| EU | 0.42 | PPM | INAA | |
| TB | 5.21 | PPM | INAA | |
| YB | 15.37 | PPM | INAA | |
| LU | 2.02 | PPM | INAA | |
| HF | 42.12 | PPM | INAA | |
| TA | 25.66 | PPM | INAA | |
| TH | 66.49 | PPM | INAA | |
| U | 7.19 | PPM | INAA |