Sample BB83-1
NavDat sample number 15054 · RHYOLITE
Sample
| Sample ID | BB83-1 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 30.5 |
|---|---|
| Longitude | -103.75 |
| Location | intrusive, Barillas Dome |
| 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 | 75.29 | WT% | XRF | |
| TIO2 | 0.15 | WT% | XRF | |
| AL2O3 | 12.32 | WT% | XRF | |
| FE2O3T | 4.23 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| MGO | 0.41 | WT% | XRF | |
| CAO | 0.52 | WT% | XRF | |
| NA2O | 4.95 | WT% | XRF | |
| K2O | 4.43 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| TOTAL | 102.46 | WT% | XRF | |
| SC | 0.17 | PPM | INAA | |
| CR | 2.88 | PPM | INAA | |
| ZN | 306 | PPM | INAA | |
| RB | 426 | PPM | INAA | |
| SR | 59 | PPM | XRF | |
| Y | 191 | PPM | XRF | |
| ZR | 1376 | PPM | INAA | |
| NB | 153 | PPM | XRF | |
| CS | 2.1 | PPM | INAA | |
| BA | 547 | PPM | INAA | |
| LA | 161 | PPM | INAA | |
| CE | 334 | PPM | INAA | |
| ND | 168 | PPM | INAA | |
| SM | 29.45 | PPM | INAA | |
| TB | 5.47 | PPM | INAA | |
| YB | 16.73 | PPM | INAA | |
| LU | 2.08 | PPM | INAA | |
| HF | 41.22 | PPM | INAA | |
| TA | 16.24 | PPM | INAA | |
| TH | 53.23 | PPM | INAA | |
| U | 0.93 | PPM | INAA |